{"id":76158,"date":"2026-02-24T09:50:37","date_gmt":"2026-02-24T02:50:37","guid":{"rendered":"https:\/\/www.chotot.com\/kinh-nghiem\/?p=76158"},"modified":"2026-02-24T09:50:46","modified_gmt":"2026-02-24T02:50:46","slug":"cach-test-xiaomi-15-ultra-cu","status":"publish","type":"post","link":"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html","title":{"rendered":"C\u00e1ch ki\u1ec3m tra Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Vi_sao_can_test_Xiaomi_15_Ultra_cu_truoc_khi_mua\" >V\u00ec sao c\u1ea7n test Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Rui_ro_ve_phan_cung_linh_kien\" >R\u1ee7i ro v\u1ec1 ph\u1ea7n c\u1ee9ng &amp; linh ki\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Rui_ro_ve_phan_mem_nguon_goc\" >R\u1ee7i ro v\u1ec1 ph\u1ea7n m\u1ec1m &amp; ngu\u1ed3n g\u1ed1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Rui_ro_ve_dich_vu_gia_ca\" >R\u1ee7i ro v\u1ec1 d\u1ecbch v\u1ee5 &amp; gi\u00e1 c\u1ea3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Ma_test_may_Xiaomi_15_Ultra_cu_la_gi\" >M\u00e3 test m\u00e1y Xiaomi 15 Ultra c\u0169 l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Danh_sach_ma_test_Xiaomi_15_Ultra_cu_thong_dung_nhat\" >Danh s\u00e1ch m\u00e3 test Xiaomi 15 Ultra c\u0169 th\u00f4ng d\u1ee5ng nh\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Chuc_nang_cua_cac_ma_test_may_Xiaomi_15_Ultra_cu\" >Ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c m\u00e3 test m\u00e1y Xiaomi 15 Ultra c\u0169<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Touchpanel_Kiem_tra_Cam_ung\" >Touchpanel (Ki\u1ec3m tra C\u1ea3m \u1ee9ng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Display_Color_Kiem_tra_Hien_thi\" >Display \/ Color (Ki\u1ec3m tra Hi\u1ec3n th\u1ecb)&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Speaker_Receiver_Kiem_tra_Am_thanh\" >Speaker \/ Receiver (Ki\u1ec3m tra \u00c2m thanh)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Main_Mic_Top_Mic_Kiem_tra_Micro\" >Main Mic \/ Top Mic (Ki\u1ec3m tra Micro)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Proximity_Sensor_Cam_bien_tiem_can\" >Proximity Sensor (C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Gyroscope_Accelerometer_Cam_bien_chuyen_dong\" >Gyroscope \/ Accelerometer (C\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng)<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Can_kiem_tra_nhung_muc_gi_khi_mua_Xiaomi_15_Ultra_cu\" >C\u1ea7n ki\u1ec3m tra nh\u1eefng m\u1ee5c g\u00ec khi mua Xiaomi 15 Ultra c\u0169?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_ngoai_hinh_chung_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra ngo\u1ea1i h\u00ecnh chung Xiaomi 15 Ultra c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_man_hinh_va_cam_ung_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra m\u00e0n h\u00ecnh v\u00e0 c\u1ea3m \u1ee9ng Xiaomi 15 Ultra c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_camera_Xiaomi_15_Ultra_cu_chi_tiet\" >Ki\u1ec3m tra camera Xiaomi 15 Ultra c\u0169 chi ti\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_phan_cung_Xiaomi_15_Ultra_cu_bang_ma_lenh_CIT\" >Ki\u1ec3m tra ph\u1ea7n c\u1ee9ng Xiaomi 15 Ultra c\u0169 b\u1eb1ng m\u00e3 l\u1ec7nh CIT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_Bao_mat_va_Ket_noi_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra B\u1ea3o m\u1eadt v\u00e0 K\u1ebft n\u1ed1i Xiaomi 15 Ultra c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_pin_va_sac_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra pin v\u00e0 s\u1ea1c Xiaomi 15 Ultra c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_phan_mem_va_tai_khoan_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra ph\u1ea7n m\u1ec1m v\u00e0 t\u00e0i kho\u1ea3n Xiaomi 15 Ultra c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kiem_tra_chuc_nang_Xiaomi_15_Ultra_cu\" >Ki\u1ec3m tra ch\u1ee9c n\u0103ng Xiaomi 15 Ultra c\u0169<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Kinh_nghiem_mua_Xiaomi_15_Ultra_cu_an_toan\" >Kinh nghi\u1ec7m mua Xiaomi 15 Ultra c\u0169 an to\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">S\u1edf h\u1eefu m\u1ed9t chi\u1ebfc flagship \u0111\u1ec9nh cao nh\u01b0 Xiaomi 15 Ultra v\u1edbi m\u1ee9c gi\u00e1 c\u1ee7a h\u00e0ng \u0111\u00e3 qua s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kinh t\u1ebf th\u00f4ng minh, nh\u01b0ng h\u00e0nh tr\u00ecnh n\u00e0y c\u0169ng \u0111\u1ea7y r\u1eaby nh\u1eefng &#8220;c\u1ea1m b\u1eaby&#8221; k\u1ef9 thu\u1eadt. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t b\u1ea3ng h\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u, gi\u00fap ng\u01b0\u1eddi mua kh\u00f4ng chuy\u00ean c\u00f3 th\u1ec3 t\u1ef1 tay ki\u1ec3m tra Xiaomi 15 Ultra c\u0169 nh\u01b0 chuy\u00ean gia, \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c r\u1ee7i ro khi mua m\u00e1y c\u0169, t\u1eeb danh s\u00e1ch m\u00e3 test, checklist ki\u1ec3m tra chi ti\u1ebft t\u1eeb ngo\u1ea1i h\u00ecnh \u0111\u1ebfn ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m, v\u00e0 c\u1ea3 kinh nghi\u1ec7m mua Xiaomi 15 Ultra c\u0169 an to\u00e0n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu.webp\" alt=\"C\u00e1ch ki\u1ec3m tra Xiaomi 15 Ultra c\u0169\" class=\"wp-image-76153\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/9e291c16-cach-kiem-tra-xiaomi-15-ultra-cu-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Vi\u1ec7c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng Xiaomi 15 Ultra c\u0169 kh\u00f4ng ch\u1ec9 gi\u00fap y\u00ean t\u00e2m v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 t\u00fai ti\u1ec1n tr\u01b0\u1edbc nh\u1eefng r\u1ee7i ro d\u00e0i h\u1ea1n. (\u1ea2nh: Xiaomi)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_sao_can_test_Xiaomi_15_Ultra_cu_truoc_khi_mua\"><\/span><strong>V\u00ec sao c\u1ea7n test Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng Xiaomi 15 Ultra c\u0169 kh\u00f4ng ch\u1ec9 gi\u00fap y\u00ean t\u00e2m v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 t\u00fai ti\u1ec1n tr\u01b0\u1edbc nh\u1eefng r\u1ee7i ro d\u00e0i h\u1ea1n. \u0110\u1ed1i v\u1edbi d\u00f2ng m\u00e1y cao c\u1ea5p, chi ph\u00ed thay th\u1ebf linh ki\u1ec7n ch\u00ednh h\u00e3ng th\u01b0\u1eddng r\u1ea5t \u0111\u1eaft \u0111\u1ecf, \u0111\u00f4i khi l\u00ean t\u1edbi h\u00e0ng tri\u1ec7u \u0111\u1ed3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rui_ro_ve_phan_cung_linh_kien\"><\/span><strong>R\u1ee7i ro v\u1ec1 ph\u1ea7n c\u1ee9ng &amp; linh ki\u1ec7n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i c\u0169 hi\u1ec7n nay r\u1ea5t ph\u1ee9c t\u1ea1p v\u1edbi s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c lo\u1ea1i h\u00e0ng &#8220;d\u1ef1ng&#8221;. M\u1ed9t chi\u1ebfc Xiaomi 15 Ultra nh\u00ecn b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 nh\u01b0 m\u1edbi nh\u01b0ng b\u00ean trong c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb thay m\u00e0n h\u00ecnh l\u00f4 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, \u00e9p k\u00ednh l\u1ea1i ho\u1eb7c mainboard \u0111\u00e3 t\u1eebng b\u1ecb kh\u00f2 h\u00e0n s\u1eeda ch\u1eefa. Nh\u1eefng chi\u1ebfc m\u00e1y n\u00e0y th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, d\u1ec5 b\u1ecb n\u00f3ng m\u00e1y v\u00e0 \u0111\u1ed9t t\u1eed sau m\u1ed9t th\u1eddi gian ng\u1eafn s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u b\u00e1o tr\u01b0\u1edbc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rui_ro_ve_phan_mem_nguon_goc\"><\/span><strong>R\u1ee7i ro v\u1ec1 ph\u1ea7n m\u1ec1m &amp; ngu\u1ed3n g\u1ed1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 ch\u1ee9a \u0111\u1ef1ng nhi\u1ec1u r\u1ee7i ro ti\u1ec1m \u1ea9n \u0111\u1ed1i v\u1edbi c\u00e1c d\u00f2ng m\u00e1y Xiaomi x\u00e1ch tay. Ng\u01b0\u1eddi d\u00f9ng thi\u1ebfu kinh nghi\u1ec7m r\u1ea5t d\u1ec5 mua ph\u1ea3i nh\u1eefng chi\u1ebfc m\u00e1y b\u1ecb c\u00e0i c\u00e1c b\u1ea3n ROM kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c nguy hi\u1ec3m h\u01a1n l\u00e0 d\u00ednh t\u00e0i kho\u1ea3n Mi Cloud \u1ea9n. N\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi, chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i \u0111\u1eaft ti\u1ec1n c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh &#8220;c\u1ee5c g\u1ea1ch&#8221; v\u00f4 d\u1ee5ng ngay khi th\u1ef1c hi\u1ec7n thao t\u00e1c kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c ho\u1eb7c c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rui_ro_ve_dich_vu_gia_ca\"><\/span><strong>R\u1ee7i ro v\u1ec1 d\u1ecbch v\u1ee5 &amp; gi\u00e1 c\u1ea3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi b\u00e1n th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt ng\u1eef hoa m\u1ef9 nh\u01b0 &#8220;m\u00e1y \u0111\u1eb9p 99%&#8221;, &#8220;m\u00e1y nguy\u00ean zin&#8221; \u0111\u1ec3 \u0111\u1ecbnh gi\u00e1 s\u1ea3n ph\u1ea9m \u1edf m\u1ee9c cao. Tuy nhi\u00ean, \u0111\u1ecbnh ngh\u0129a v\u1ec1 \u0111\u1ed9 m\u1edbi c\u1ee7a m\u1ed7i ng\u01b0\u1eddi l\u00e0 kh\u00e1c nhau. N\u1ebfu kh\u00f4ng c\u00f3 ki\u1ebfn th\u1ee9c \u0111\u1ec3 t\u1ef1 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng th\u1ef1c t\u1ebf nh\u01b0 \u0111\u1ed9 chai pin, c\u00e1c v\u1ebft x\u01b0\u1edbc kh\u00f3 th\u1ea5y hay \u00e1m m\u00e0n h\u00ecnh nh\u1eb9, b\u1ea1n s\u1ebd r\u1ea5t d\u1ec5 b\u1ecb mua h\u1edb v\u1edbi m\u1ee9c gi\u00e1 cao h\u01a1n nhi\u1ec1u so v\u1edbi gi\u00e1 tr\u1ecb th\u1ef1c c\u1ee7a chi\u1ebfc m\u00e1y \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ma_test_may_Xiaomi_15_Ultra_cu_la_gi\"><\/span><strong>M\u00e3 test m\u00e1y Xiaomi 15 Ultra c\u0169 l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 test m\u00e1y Xiaomi 15 Ultra (c\u00f2n g\u1ecdi l\u00e0 m\u00e3 USSD ho\u1eb7c CIT Mode) l\u00e0 c\u00e1c chu\u1ed7i k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c nh\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o \u1ee9ng d\u1ee5ng G\u1ecdi \u0111i\u1ec7n tr\u00ean m\u00e1y. Khi nh\u1eadp \u0111\u00fang m\u00e3,&nbsp; \u0111i\u1ec7n tho\u1ea1i s\u1ebd m\u1edf ra menu ki\u1ec3m tra \u1ea9n do Xiaomi t\u00edch h\u1ee3p s\u1eb5n trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh HyperOS, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m tra chi ti\u1ebft ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u \u0111\u01a1n gi\u1ea3n, \u0111\u00e2y l\u00e0 c\u00f4ng c\u1ee5 ki\u1ec3m tra \u201cch\u00ednh ch\u1ee7 t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t\u201d, th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt vi\u00ean v\u00e0 ng\u01b0\u1eddi mua m\u00e1y c\u0169 s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh t\u00ecnh tr\u1ea1ng th\u1ef1c t\u1ebf c\u1ee7a Xiaomi 15 Ultra, xem m\u00e1y c\u00f2n zin hay \u0111\u00e3 ph\u00e1t sinh l\u1ed7i linh ki\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eed d\u1ee5ng m\u00e3 test gi\u00fap b\u1ea1n ki\u1ec3m tra s\u00e2u b\u00ean trong thi\u1ebft b\u1ecb, t\u1eeb \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e1t hi\u1ec7n \u0111i\u1ec3m ch\u1ebft, \u00e1m m\u00e0u, loang s\u00e1ng tr\u00ean m\u00e0n h\u00ecnh<\/li>\n\n\n\n<li>Ki\u1ec3m tra c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn, \u00e1nh s\u00e1ng, con quay, GPS c\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c kh\u00f4ng<\/li>\n\n\n\n<li>Test loa ngo\u00e0i, loa tho\u1ea1i, micro, rung \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i r\u00e8, m\u00e9o ti\u1ebfng<\/li>\n\n\n\n<li>Ki\u1ec3m tra camera, pin v\u00e0 c\u00e1c linh ki\u1ec7n quan tr\u1ecdng m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp<\/li>\n\n\n\n<li>Nh\u1eadn di\u1ec7n s\u1edbm l\u1ed7i \u1ea9n ho\u1eb7c m\u00e1y \u0111\u00e3 b\u1ecb can thi\u1ec7p ph\u1ea7n c\u1ee9ng, \u0111i\u1ec1u m\u00e0 ki\u1ec3m tra th\u00f4ng th\u01b0\u1eddng r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Danh_sach_ma_test_Xiaomi_15_Ultra_cu_thong_dung_nhat\"><\/span><strong>Danh s\u00e1ch m\u00e3 test Xiaomi 15 Ultra c\u0169 th\u00f4ng d\u1ee5ng nh\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra nhanh t\u1ea1i c\u1eeda h\u00e0ng, ng\u01b0\u1eddi mua n\u00ean l\u01b0u l\u1ea1i c\u00e1c m\u00e3 USSD quan tr\u1ecdng d\u01b0\u1edbi \u0111\u00e2y. Nh\u1eefng m\u00e3 n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh tr\u00ean HyperOS c\u1ee7a Xiaomi 15 Ultra, cho ph\u00e9p truy xu\u1ea5t th\u00f4ng tin h\u1ec7 th\u1ed1ng v\u00e0 test ph\u1ea7n c\u1ee9ng ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i th\u00eam \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>M\u00e3 l\u1ec7nh (USSD)<\/strong><\/td><td><strong>Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><\/td><td><strong>H\u01b0\u1edbng d\u1eabn &amp; D\u1ea5u hi\u1ec7u c\u1ea7n l\u01b0u \u00fd<\/strong><\/td><\/tr><tr><td><strong>*#*#6484#*#*<\/strong>ho\u1eb7c<strong>*#*#64663#*#*<\/strong><\/td><td><strong>Truy c\u1eadp Menu CIT<\/strong><\/td><td><strong>\u0110\u00e2y l\u00e0 m\u00e3 quan tr\u1ecdng nh\u1ea5t.<\/strong> M\u00e3 n\u00e0y m\u1edf b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 test \u0111\u1ed9c l\u1eadp to\u00e0n b\u1ed9 linh ki\u1ec7n: M\u00e0n h\u00ecnh (t\u00ecm \u0111i\u1ec3m ch\u1ebft), C\u1ea3m \u1ee9ng (v\u1ebd tay), Loa, Mic, Rung v\u00e0 c\u00e1c C\u1ea3m bi\u1ebfn.<\/td><\/tr><tr><td><strong>*#06#<\/strong><\/td><td><strong>Xem s\u1ed1 IMEI &amp; Serial<\/strong><\/td><td>D\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb IMEI 1, IMEI 2.C\u1ea7n \u0111\u1ed1i chi\u1ebfu d\u00e3y s\u1ed1 n\u00e0y v\u1edbi v\u1ecf h\u1ed9p ho\u1eb7c in tr\u00ean m\u1eb7t l\u01b0ng k\u00ednh. N\u1ebfu kh\u00f4ng tr\u00f9ng, m\u00e1y c\u00f3 th\u1ec3 l\u00e0 h\u00e0ng d\u1ef1ng v\u1ecf ho\u1eb7c \u0111\u00e3 b\u1ecb thay main.<\/td><\/tr><tr><td><strong>*#*#4636#*#*<\/strong><\/td><td><strong>Th\u00f4ng tin \u0111i\u1ec7n tho\u1ea1i<\/strong><\/td><td>Truy c\u1eadp v\u00e0o m\u1ee5c &#8220;Th\u00f4ng tin \u0111i\u1ec7n tho\u1ea1i&#8221; \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 m\u1ea1nh c\u1ee7a s\u00f3ng di \u0111\u1ed9ng (Signal Strength) v\u00e0 t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i m\u1ea1ng 5G\/LTE\/Wifi xem c\u00f3 \u1ed5n \u0111\u1ecbnh kh\u00f4ng.<\/td><\/tr><tr><td><strong>*#*#225#*#*<\/strong><\/td><td><strong>Th\u00f4ng tin L\u1ecbch<\/strong><\/td><td>Gi\u00fap ki\u1ec3m tra xem m\u00e1y c\u00f3 b\u1ecb d\u00ednh c\u00e1c t\u00e0i kho\u1ea3n l\u1ea1, spam l\u1ecbch qu\u1ea3ng c\u00e1o hay kh\u00f4ng. \u0110\u00f4i khi gi\u00fap x\u00e1c \u0111\u1ecbnh th\u1ecb tr\u01b0\u1eddng ph\u00e2n ph\u1ed1i qua c\u00e1c ng\u00e0y l\u1ec5 m\u1eb7c \u0111\u1ecbnh.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>L\u01b0u \u00fd: \u0110\u1ec3 s\u1eed d\u1ee5ng, ch\u1ec9 c\u1ea7n m\u1edf \u1ee9ng d\u1ee5ng G\u1ecdi \u0111i\u1ec7n (Dialer), nh\u1eadp ch\u00ednh x\u00e1c c\u00e1c k\u00fd t\u1ef1 tr\u00ean b\u00e0n ph\u00edm s\u1ed1. H\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng ngay khi nh\u1eadp k\u00fd t\u1ef1 cu\u1ed1i c\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5m n\u00fat &#8220;G\u1ecdi&#8221;.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chuc_nang_cua_cac_ma_test_may_Xiaomi_15_Ultra_cu\"><\/span><strong>Ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c m\u00e3 test m\u00e1y Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u00e3 truy c\u1eadp th\u00e0nh c\u00f4ng v\u00e0o Menu CIT (th\u00f4ng qua m\u00e3 *#*#6484#*#*), m\u00e0n h\u00ecnh s\u1ebd hi\u1ec7n danh s\u00e1ch d\u00e0i c\u00e1c b\u00e0i test b\u1eb1ng ti\u1ebfng Anh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i ngh\u0129a chi ti\u1ebft c\u00e1c ch\u1ee9c n\u0103ng quan tr\u1ecdng nh\u1ea5t m\u00e0 b\u1eaft bu\u1ed9c ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng chi\u1ebfc Xiaomi 15 Ultra c\u0169:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Touchpanel_Kiem_tra_Cam_ung\"><\/span><strong>Touchpanel (Ki\u1ec3m tra C\u1ea3m \u1ee9ng)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 b\u00e0i test s\u1ed1ng c\u00f2n \u0111\u1ed1i v\u1edbi m\u00e0n h\u00ecnh cong c\u1ee7a Xiaomi 15 Ultra. Giao di\u1ec7n s\u1ebd hi\u1ec7n ra m\u1ed9t l\u01b0\u1edbi c\u00e1c \u00f4 vu\u00f4ng ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng ch\u00e9o. Nhi\u1ec7m v\u1ee5 l\u00e0 d\u00f9ng ng\u00f3n tay v\u1ebd li\u1ec1n m\u1ea1ch theo c\u00e1c \u0111\u01b0\u1eddng k\u1ebb \u0111\u00f3. Ch\u1ee9c n\u0103ng n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n \u0111i\u1ec3m ch\u1ebft c\u1ea3m \u1ee9ng (v\u1ecb tr\u00ed ng\u00f3n tay \u0111i qua nh\u01b0ng \u0111\u01b0\u1eddng v\u1ebd b\u1ecb \u0111\u1ee9t) ho\u1eb7c lo\u1ea1n c\u1ea3m \u1ee9ng (\u0111\u01b0\u1eddng v\u1ebd nh\u1ea3y lung tung kh\u00f4ng theo ng\u00f3n tay). N\u1ebfu kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c t\u00f4 k\u00edn c\u00e1c \u00f4, m\u00e0n h\u00ecnh m\u00e1y \u0111\u00e3 b\u1ecb l\u1ed7i.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Display_Color_Kiem_tra_Hien_thi\"><\/span><strong>Display \/ Color (Ki\u1ec3m tra Hi\u1ec3n th\u1ecb)&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng n\u00e0y s\u1ebd l\u1ea7n l\u01b0\u1ee3t hi\u1ec3n th\u1ecb c\u00e1c m\u00e0u s\u1eafc c\u01a1 b\u1ea3n: \u0110\u1ecf (Red), Xanh l\u00e1 (Green), Xanh d\u01b0\u01a1ng (Blue), Tr\u1eafng (White) v\u00e0 \u0110en (Black) tr\u00e0n to\u00e0n b\u1ed9 m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e0u tr\u1eafng: Gi\u00fap t\u00ecm c\u00e1c \u0111\u1ed1m \u00e1m \u1ed1, \u00e1m h\u1ed3ng ho\u1eb7c v\u1ebft \u1ed1 v\u00e0ng do keo m\u00e0n h\u00ecnh b\u1ecb l\u00e3o h\u00f3a.<\/li>\n\n\n\n<li>M\u00e0u \u0111en: Gi\u00fap ph\u00e1t hi\u1ec7n \u0111i\u1ec3m ch\u1ebft (dead pixel) \u2013 l\u00e0 nh\u1eefng ch\u1ea5m tr\u1eafng ho\u1eb7c xanh nh\u1ecf li ti kh\u00f4ng t\u1eaft \u0111\u01b0\u1ee3c s\u00e1ng.<\/li>\n\n\n\n<li>M\u00e0u \u0111\u01a1n s\u1eafc (\u0110\u1ecf\/Xanh): Gi\u00fap ph\u00e1t hi\u1ec7n \u0111i\u1ec3m \u1ea3nh b\u1ecb k\u1eb9t (stuck pixel) hi\u1ec3n th\u1ecb sai m\u00e0u.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Speaker_Receiver_Kiem_tra_Am_thanh\"><\/span><strong>Speaker \/ Receiver (Ki\u1ec3m tra \u00c2m thanh)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Xiaomi 15 Ultra s\u1edf h\u1eefu h\u1ec7 th\u1ed1ng loa k\u00e9p ch\u1ea5t l\u01b0\u1ee3ng cao, v\u00ec v\u1eady b\u00e0i test n\u00e0y r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Speaker (Loa ngo\u00e0i): M\u00e1y s\u1ebd ph\u00e1t m\u1ed9t \u0111o\u1ea1n nh\u1ea1c \u1edf m\u1ee9c \u00e2m l\u01b0\u1ee3ng cao nh\u1ea5t. C\u1ea7n nghe xem \u00e2m thanh c\u00f3 b\u1ecb r\u00e8, m\u00e9o ti\u1ebfng hay b\u00ean to b\u00ean nh\u1ecf kh\u00f4ng.<\/li>\n\n\n\n<li>Receiver (Loa tho\u1ea1i): M\u00e1y ph\u00e1t \u00e2m thanh gi\u1ea3 l\u1eadp cu\u1ed9c g\u1ecdi \u1edf loa tr\u00ean. C\u1ea7n \u00e1p tai v\u00e0o nghe \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o loa tho\u1ea1i trong tr\u1ebbo, kh\u00f4ng b\u1ecb nh\u1ecf ti\u1ebfng hay r\u00e0o r\u00e0o.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_Mic_Top_Mic_Kiem_tra_Micro\"><\/span><strong>Main Mic \/ Top Mic (Ki\u1ec3m tra Micro)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y s\u1ebd y\u00eau c\u1ea7u b\u1ea1n n\u00f3i ho\u1eb7c th\u1ed5i nh\u1eb9 v\u00e0o c\u00e1c l\u1ed7 micro (mic ch\u00ednh \u1edf c\u1ea1nh d\u01b0\u1edbi, mic ph\u1ee5 \u1edf c\u1ea1nh tr\u00ean v\u00e0 c\u1ee5m camera). Bi\u1ec3u \u0111\u1ed3 \u00e2m l\u01b0\u1ee3ng tr\u00ean m\u00e0n h\u00ecnh ph\u1ea3i nh\u1ea3y l\u00ean xu\u1ed1ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh t\u1ea1o ra. N\u1ebfu bi\u1ec3u \u0111\u1ed3 \u0111\u1ee9ng im ho\u1eb7c nh\u1ea3y r\u1ea5t th\u1ea5p d\u00f9 n\u00f3i to, micro \u0111\u00e3 b\u1ecb h\u1ecfng ho\u1eb7c b\u1ecb b\u1ee5i b\u00edt k\u00edn, d\u1eabn \u0111\u1ebfn vi\u1ec7c quay video m\u1ea5t ti\u1ebfng ho\u1eb7c g\u1ecdi \u0111i\u1ec7n \u0111\u1ea7u d\u00e2y b\u00ean kia kh\u00f4ng nghe th\u1ea5y.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Proximity_Sensor_Cam_bien_tiem_can\"><\/span><strong>Proximity Sensor (C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng n\u00e0y ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u1ef1 t\u1eaft m\u00e0n h\u00ecnh khi nghe g\u1ecdi. Trong giao di\u1ec7n test, ch\u1ec9 s\u1ed1 c\u1ea3m bi\u1ebfn th\u01b0\u1eddng hi\u1ec3n th\u1ecb l\u00e0 &#8220;5.0&#8221;. H\u00e3y d\u00f9ng tay che ph\u1ea7n c\u1ea1nh tr\u00ean c\u1ee7a m\u00e0n h\u00ecnh (khu v\u1ef1c g\u1ea7n camera tr\u01b0\u1edbc). N\u1ebfu ch\u1ec9 s\u1ed1 nh\u1ea3y l\u1eadp t\u1ee9c v\u1ec1 &#8220;0.0&#8221; v\u00e0 m\u00e0n h\u00ecnh test chuy\u1ec3n sang m\u00e0u xanh (Pass), c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. N\u1ebfu s\u1ed1 kh\u00f4ng nh\u1ea3y, c\u1ea3m bi\u1ebfn \u0111\u00e3 ch\u1ebft, g\u00e2y phi\u1ec1n to\u00e1i khi g\u1ecdi \u0111i\u1ec7n (m\u00e1 ch\u1ea1m v\u00e0o m\u00e0n h\u00ecnh g\u00e2y t\u1eaft m\u00e1y nh\u1ea7m).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Gyroscope_Accelerometer_Cam_bien_chuyen_dong\"><\/span><strong>Gyroscope \/ Accelerometer (C\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb c\u00e1c t\u1ecda \u0111\u1ed9 kh\u00f4ng gian X, Y, Z. H\u00e3y c\u1ea7m m\u00e1y v\u00e0 xoay l\u1eafc theo nhi\u1ec1u h\u01b0\u1edbng. C\u00e1c con s\u1ed1 n\u00e0y ph\u1ea3i thay \u0111\u1ed5i li\u00ean t\u1ee5c v\u00e0 nhanh ch\u00f3ng theo chuy\u1ec3n \u0111\u1ed9ng tay. N\u1ebfu c\u00e1c s\u1ed1 \u0111\u1ee9ng y\u00ean ho\u1eb7c ph\u1ea3n h\u1ed3i ch\u1eadm, IC c\u1ea3m bi\u1ebfn tr\u00ean mainboard b\u1ecb l\u1ed7i, khi\u1ebfn b\u1ea1n kh\u00f4ng th\u1ec3 ch\u01a1i game \u0111ua xe hay d\u00f9ng b\u1ea3n \u0111\u1ed3 \u0111i\u1ec1u h\u01b0\u1edbng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_kiem_tra_nhung_muc_gi_khi_mua_Xiaomi_15_Ultra_cu\"><\/span><strong>C\u1ea7n ki\u1ec3m tra nh\u1eefng m\u1ee5c g\u00ec khi mua Xiaomi 15 Ultra c\u0169?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh ki\u1ec3m tra m\u1ed9t chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i Xiaomi 15 Ultra c\u0169 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch b\u00e0i b\u1ea3n v\u00e0 tu\u1ea7n t\u1ef1. N\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c quan s\u00e1t ngo\u1ea1i h\u00ecnh b\u00ean ngo\u00e0i, sau \u0111\u00f3 \u0111i s\u00e2u v\u00e0o ki\u1ec3m tra m\u00e0n h\u00ecnh, c\u00e1c ch\u1ee9c n\u0103ng ph\u1ea7n c\u1ee9ng th\u00f4ng qua m\u00e3 l\u1ec7nh v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 v\u1ec1 ph\u1ea7n m\u1ec1m, t\u00e0i kho\u1ea3n b\u1ea3o m\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_ngoai_hinh_chung_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra ngo\u1ea1i h\u00ecnh chung Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u1ea1i h\u00ecnh l\u00e0 y\u1ebfu t\u1ed1 ph\u1ea3n \u00e1nh r\u00f5 nh\u1ea5t th\u00f3i quen s\u1eed d\u1ee5ng c\u1ee7a ng\u01b0\u1eddi ch\u1ee7 c\u0169. M\u1ed9t chi\u1ebfc m\u00e1y c\u00f3 qu\u00e1 nhi\u1ec1u v\u1ebft c\u1ea5n m\u00f3p th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi nguy c\u01a1 linh ki\u1ec7n b\u00ean trong \u0111\u00e3 ph\u1ea3i ch\u1ecbu nh\u1eefng l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a bo m\u1ea1ch.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra.webp\" alt=\"Ngo\u1ea1i h\u00ecnh Xiaomi 15 Ultra\" class=\"wp-image-76157\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/3e33ef2e-ngoai-hinh-xiaomi-15-ultra-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ki\u1ec3m tra ngo\u1ea1i h\u00ecnh l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng khi mua Xiaomi 15 Ultra c\u0169<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra t\u1ed5ng quan khung vi\u1ec1n v\u00e0 m\u1eb7t l\u01b0ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n c\u1ea7m m\u00e1y tr\u00ean tay v\u00e0 soi th\u1eadt k\u1ef9 d\u01b0\u1edbi \u00e1nh \u0111\u00e8n m\u1ea1nh ho\u1eb7c \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean. H\u00e3y ch\u00fa \u00fd quan s\u00e1t c\u00e1c \u0111\u01b0\u1eddng ti\u1ebfp n\u1ed1i gi\u1eefa m\u1eb7t l\u01b0ng v\u00e0 khung vi\u1ec1n kim lo\u1ea1i xem c\u00f3 li\u1ec1n m\u1ea1ch hay kh\u00f4ng. M\u1ed9t chi\u1ebfc m\u00e1y nguy\u00ean b\u1ea3n s\u1ebd c\u00f3 c\u00e1c khe h\u1edf \u0111\u1ec1u t\u0103m t\u1eafp, kh\u00edt r\u1ecbt v\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a keo th\u1eeba lem nhem. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu th\u1ea5y khe h\u1edf l\u1edbn, s\u1edd v\u00e0o th\u1ea5y g\u1ee3n tay \u1edf m\u00e9p n\u1ed1i ho\u1eb7c c\u00f3 v\u1ebft c\u1ea1y m\u1edf, r\u1ea5t c\u00f3 th\u1ec3 m\u00e1y \u0111\u00e3 t\u1eebng b\u1ecb bung ra \u0111\u1ec3 thay l\u01b0ng ho\u1eb7c s\u1eeda ch\u1eefa b\u00ean trong, l\u00e0m m\u1ea5t kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra b\u00ean ngo\u00e0i c\u1ee5m camera sau c\u1ee7a Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ee5m camera h\u1ea7m h\u1ed1 l\u00e0 \u0111i\u1ec3m nh\u1ea5n c\u1ee7a Xiaomi 15 Ultra nh\u01b0ng c\u0169ng l\u00e0 n\u01a1i d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng nh\u1ea5t. H\u00e3y nghi\u00eang m\u00e1y qua l\u1ea1i \u0111\u1ec3 soi m\u1eb7t k\u00ednh b\u1ea3o v\u1ec7 camera, \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 v\u1ebft tr\u1ea7y x\u01b0\u1edbc hay n\u1ee9t v\u1ee1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh ch\u1ee5p. Quan tr\u1ecdng h\u01a1n, h\u00e3y nh\u00ecn s\u00e2u v\u00e0o b\u00ean trong th\u1ea5u k\u00ednh (lens). N\u1ebfu ph\u00e1t hi\u1ec7n c\u00f3 b\u1ee5i l\u1ecdt v\u00e0o trong ho\u1eb7c h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5, n\u00ean t\u1eeb ch\u1ed1i mua ngay l\u1eadp t\u1ee9c v\u00ec \u0111i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf m\u00e1y \u0111\u00e3 m\u1ea5t \u00e1p su\u1ea5t kh\u00e1ng n\u01b0\u1edbc ho\u1eb7c c\u1ee5m camera \u0111\u00e3 b\u1ecb th\u00e1o m\u1edf x\u1eed l\u00fd b\u1ee5i tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra \u1ed1c v\u00edt v\u00e0 khay Sim<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 nh\u1eefng chi ti\u1ebft nh\u1ecf nh\u01b0ng t\u1ed1 c\u00e1o t\u00ednh nguy\u00ean b\u1ea3n c\u1ee7a thi\u1ebft b\u1ecb r\u1ea5t ch\u00ednh x\u00e1c. H\u00e3y nh\u00ecn v\u00e0o hai con \u1ed1c \u1edf c\u1ea1nh d\u01b0\u1edbi g\u1ea7n c\u1ed5ng s\u1ea1c xem ch\u00fang c\u00f3 c\u00f2n \u0111\u1eb9p v\u00e0 s\u1eafc n\u00e9t hay kh\u00f4ng. \u1ed0c c\u1ee7a m\u00e1y zin s\u1ebd c\u00f3 c\u00e1c c\u1ea1nh s\u1eafc s\u1ea3o, l\u1edbp s\u01a1n \u0111\u1ec1u m\u00e0u, trong khi \u1ed1c \u0111\u00e3 m\u1edf th\u01b0\u1eddng b\u1ecb to\u00e9t \u0111\u1ea7u ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc l\u1edbp s\u01a1n \u0111en. Ti\u1ebfp theo, h\u00e3y th\u00e1o khay Sim ra v\u00e0 ki\u1ec3m tra ron cao su ch\u1ed1ng n\u01b0\u1edbc. N\u1ebfu ron cao su n\u00e0y b\u1ecb \u0111\u1ee9t, bi\u1ebfn d\u1ea1ng ho\u1eb7c m\u1ea5t h\u1eb3n, chi\u1ebfc m\u00e1y \u0111\u00f3 ch\u1eafc ch\u1eafn kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc chu\u1ea9n IP68 nh\u01b0 th\u00f4ng s\u1ed1 h\u00e3ng c\u00f4ng b\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_man_hinh_va_cam_ung_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra m\u00e0n h\u00ecnh v\u00e0 c\u1ea3m \u1ee9ng Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0n h\u00ecnh l\u00e0 linh ki\u1ec7n \u0111\u1eaft ti\u1ec1n nh\u1ea5t tr\u00ean chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i n\u00e0y, chi\u1ebfm ph\u1ea7n l\u1edbn gi\u00e1 tr\u1ecb c\u1ee7a m\u00e1y. Do \u0111\u00f3, vi\u1ec7c ki\u1ec3m tra m\u00e0n h\u00ecnh c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ef1c k\u1ef3 c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh ph\u1ea3i chi h\u00e0ng tri\u1ec7u \u0111\u1ed3ng cho vi\u1ec7c thay th\u1ebf sau n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra hi\u1ec3n th\u1ecb (Display) c\u1ee7a Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea5m n\u1ec1n AMOLED sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 g\u1eb7p hi\u1ec7n t\u01b0\u1ee3ng \u00e1m m\u00e0u ho\u1eb7c l\u01b0u \u1ea3nh (burn-in). H\u00e3y t\u1ea3i m\u1ed9t t\u1ea5m \u1ea3nh m\u00e0u tr\u1eafng tinh khi\u1ebft v\u1ec1 m\u00e1y, m\u1edf full m\u00e0n h\u00ecnh v\u00e0 \u0111\u1ea9y \u0111\u1ed9 s\u00e1ng l\u00ean m\u1ee9c cao nh\u1ea5t. L\u00fac n\u00e0y, h\u00e3y quan s\u00e1t th\u1eadt k\u1ef9 to\u00e0n b\u1ed9 di\u1ec7n t\u00edch hi\u1ec3n th\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 khu v\u1ef1c thanh tr\u1ea1ng th\u00e1i ph\u00eda tr\u00ean v\u00e0 thanh \u0111i\u1ec1u h\u01b0\u1edbng ph\u00eda d\u01b0\u1edbi. N\u1ebfu th\u1ea5y m\u00e0n h\u00ecnh b\u1ecb \u00e1m h\u1ed3ng, \u00e1m v\u00e0ng loang l\u1ed5 ho\u1eb7c xu\u1ea5t hi\u1ec7n c\u00e1c b\u00f3ng m\u1edd c\u1ee7a icon \u1ee9ng d\u1ee5ng c\u0169, \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u00e0n h\u00ecnh \u0111\u00e3 b\u1ecb gi\u00e0 h\u00f3a ho\u1eb7c l\u1ed7i panel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u1ea3m \u1ee9ng c\u1ee7a Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 nh\u1ea1y v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea3m \u1ee9ng, kh\u00f4ng n\u00ean ch\u1ec9 l\u01b0\u1edbt qua l\u1ea1i m\u1ed9t c\u00e1ch h\u1eddi h\u1ee3t. H\u00e3y nh\u1ea5n gi\u1eef m\u1ed9t icon \u1ee9ng d\u1ee5ng b\u1ea5t k\u1ef3 tr\u00ean m\u00e0n h\u00ecnh ch\u00ednh, sau \u0111\u00f3 di chuy\u1ec3n n\u00f3 \u0111i kh\u1eafp m\u1ecdi ng\u00f3c ng\u00e1ch c\u1ee7a m\u00e0n h\u00ecnh, ch\u00fa \u00fd di chuy\u1ec3n k\u1ef9 v\u00e0o 4 g\u00f3c v\u00e0 4 c\u1ea1nh vi\u1ec1n. Trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n, n\u1ebfu icon b\u1ecb tu\u1ed9t ra kh\u1ecfi tay ho\u1eb7c kh\u1ef1ng l\u1ea1i t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed n\u00e0o \u0111\u00f3 d\u00f9 ng\u00f3n tay b\u1ea1n v\u1eabn \u0111ang gi\u1eef, th\u00ec v\u1ecb tr\u00ed \u0111\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec3m ch\u1ebft c\u1ea3m \u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_camera_Xiaomi_15_Ultra_cu_chi_tiet\"><\/span><strong>Ki\u1ec3m tra camera Xiaomi 15 Ultra c\u0169 chi ti\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng \u1ed1ng k\u00ednh Leica l\u00e0 l\u00fd do ch\u00ednh khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi ch\u1ecdn <a href=\"https:\/\/www.chotot.com\/mua-ban-dien-thoai-xiaomi-15-ultra-sdmd15ml2712\">mua Xiaomi 15 Ultra<\/a>. C\u1ea7n \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c \u1ed1ng k\u00ednh \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o v\u00e0 h\u1ec7 th\u1ed1ng ch\u1ed1ng rung c\u01a1 h\u1ecdc kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu.webp\" alt=\"Ki\u1ec3m tra camera Xiaomi 15 Ultra c\u0169\" class=\"wp-image-76155\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/4e6034fc-kiem-tra-camera-xiaomi-15-ultra-cu-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">C\u1ea7n \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c \u1ed1ng k\u00ednh \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng ch\u1ee5p \u1ea3nh<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y m\u1edf \u1ee9ng d\u1ee5ng camera v\u00e0 l\u1ea7n l\u01b0\u1ee3t chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa c\u00e1c \u1ed1ng k\u00ednh t\u1eeb g\u00f3c si\u00eau r\u1ed9ng, camera ch\u00ednh \u0111\u1ebfn c\u00e1c m\u1ee9c zoom tele. \u1ede m\u1ed7i ch\u1ebf \u0111\u1ed9, h\u00e3y ch\u1ee5p th\u1eed m\u1ed9t v\u00e0i t\u1ea5m \u1ea3nh v\u00e0 zoom l\u00ean \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 n\u00e9t. \u0110\u1eb7c bi\u1ec7t, c\u1ea7n test k\u1ef9 kh\u1ea3 n\u0103ng l\u1ea5y n\u00e9t c\u1ee7a camera tele b\u1eb1ng c\u00e1ch zoom 5x ho\u1eb7c 10x v\u00e0o m\u1ed9t v\u1eadt th\u1ec3 xa. N\u1ebfu th\u1ea5y h\u00ecnh \u1ea3nh tr\u00ean m\u00e0n h\u00ecnh b\u1ecb rung l\u1eafc d\u1eef d\u1ed9i kh\u00f4ng ki\u1ec3m so\u00e1t ho\u1eb7c gh\u00e9 tai v\u00e0o c\u1ee5m camera nghe th\u1ea5y ti\u1ebfng k\u00eau &#8220;r\u00e8 r\u00e8&#8221; li\u00ean t\u1ee5c, th\u00ec h\u1ec7 th\u1ed1ng ch\u1ed1ng rung quang h\u1ecdc (OIS) c\u1ee7a m\u00e1y \u0111\u00e3 b\u1ecb h\u1ecfng do va \u0111\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra quay video v\u00e0 ghi \u00e2m<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng quay video s\u1ebd gi\u00fap ki\u1ec3m tra \u0111\u1ed3ng th\u1eddi c\u1ea3 camera v\u00e0 micro thu \u00e2m. H\u00e3y chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 quay video 4K, quay m\u1ed9t \u0111o\u1ea1n clip ng\u1eafn kho\u1ea3ng 1 ph\u00fat. Trong l\u00fac quay, n\u00ean v\u1eeba di chuy\u1ec3n nh\u1eb9 nh\u00e0ng \u0111\u1ec3 test kh\u1ea3 n\u0103ng ch\u1ed1ng rung, v\u1eeba n\u00f3i chuy\u1ec7n \u0111\u1ec3 test mic. Sau \u0111\u00f3, h\u00e3y m\u1edf \u0111o\u1ea1n video v\u1eeba quay \u0111\u1ec3 xem l\u1ea1i. H\u00ecnh \u1ea3nh thu \u0111\u01b0\u1ee3c ph\u1ea3i m\u01b0\u1ee3t m\u00e0, kh\u00f4ng b\u1ecb gi\u1eadt c\u1ee5c hay x\u00e9 h\u00ecnh. \u00c2m thanh ph\u1ea3i to, r\u00f5 r\u00e0ng, c\u00f3 hi\u1ec7u \u1ee9ng Stereo t\u00e1ch b\u1ea1ch hai b\u00ean v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 ti\u1ebfng r\u00e0o r\u00e0o hay ti\u1ebfng gi\u00f3 r\u00edt b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_phan_cung_Xiaomi_15_Ultra_cu_bang_ma_lenh_CIT\"><\/span><strong>Ki\u1ec3m tra ph\u1ea7n c\u1ee9ng Xiaomi 15 Ultra c\u0169 b\u1eb1ng m\u00e3 l\u1ec7nh CIT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quay tr\u1edf l\u1ea1i v\u1edbi m\u00e3 l\u1ec7nh *#*#6484#*#* \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf ph\u1ea7n \u0111\u1ea7u, ch\u00fang ta s\u1ebd ti\u1ebfn h\u00e0nh c\u00e1c b\u00e0i test chuy\u00ean s\u00e2u cho c\u00e1c c\u1ea3m bi\u1ebfn b\u00ean trong m\u00e0 c\u00e1c thao t\u00e1c th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 ki\u1ec3m tra \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test c\u00e1c c\u1ea3m bi\u1ebfn (Sensors)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong danh s\u00e1ch c\u00e1c b\u00e0i test hi\u1ec7n ra, c\u1ea7n t\u00ecm \u0111\u1ebfn m\u1ee5c Proximity Sensor (C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn). H\u00e3y d\u00f9ng tay che ph\u1ea7n tr\u00ean m\u00e0n h\u00ecnh, n\u1ebfu ch\u1ec9 s\u1ed1 thay \u0111\u1ed5i t\u1eeb 5.0 v\u1ec1 0.0 ho\u1eb7c m\u00e0n h\u00ecnh \u0111\u1ed5i m\u00e0u xanh b\u00e1o Pass th\u00ec c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t; n\u1ebfu kh\u00f4ng, b\u1ea1n s\u1ebd g\u1eb7p phi\u1ec1n to\u00e1i khi nghe \u0111i\u1ec7n tho\u1ea1i m\u00e0 m\u00e0n h\u00ecnh kh\u00f4ng t\u1ef1 t\u1eaft. Ti\u1ebfp theo l\u00e0 m\u1ee5c Gyroscope (Con quay h\u1ed3i chuy\u1ec3n), khi xoay nghi\u00eang m\u00e1y, c\u00e1c th\u00f4ng s\u1ed1 t\u1ecda \u0111\u1ed9 X, Y, Z ph\u1ea3i nh\u1ea3y s\u1ed1 li\u00ean t\u1ee5c. N\u1ebfu c\u00e1c s\u1ed1 n\u00e0y \u0111\u1ee9ng im, m\u00e1y s\u1ebd kh\u00f4ng th\u1ec3 ch\u01a1i c\u00e1c game \u0111ua xe ho\u1eb7c t\u1ef1 \u0111\u1ed9ng xoay ngang m\u00e0n h\u00ecnh khi xem Youtube.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test Loa v\u00e0 Mic<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ecdn ti\u1ebfp m\u1ee5c Speaker \u0111\u1ec3 ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u00e2m thanh. M\u00e1y s\u1ebd l\u1ea7n l\u01b0\u1ee3t ph\u00e1t \u00e2m thanh \u1edf loa tr\u00ean v\u00e0 loa d\u01b0\u1edbi. B\u1ea1n c\u1ea7n l\u1eafng nghe k\u1ef9 xem \u00e2m thanh c\u00f3 b\u1ecb r\u00e8, v\u1ee1 ti\u1ebfng \u1edf m\u1ee9c \u00e2m l\u01b0\u1ee3ng cao nh\u1ea5t hay kh\u00f4ng v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a hai loa c\u00f3 c\u00e2n b\u1eb1ng nhau kh\u00f4ng. V\u1edbi m\u1ee5c Main Mic v\u00e0 Top Mic, h\u00e3y th\u1eed th\u1ed5i nh\u1eb9 ho\u1eb7c n\u00f3i v\u00e0o c\u00e1c l\u1ed7 mic tr\u00ean th\u00e2n m\u00e1y, n\u1ebfu kim \u0111o \u00e2m l\u01b0\u1ee3ng tr\u00ean m\u00e0n h\u00ecnh nh\u1ea3y l\u00ean xu\u1ed1ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh th\u00ec mic thu \u00e2m v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_Bao_mat_va_Ket_noi_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra B\u1ea3o m\u1eadt v\u00e0 K\u1ebft n\u1ed1i Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt sinh tr\u1eafc h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, do \u0111\u00f3 kh\u00f4ng th\u1ec3 b\u1ecf qua.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra.webp\" alt=\"Ki\u1ec3m tra b\u1ea3o m\u1eadt k\u1ebft n\u1ed1i Xiaomi 15 Ultra\" class=\"wp-image-76154\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/f0bd3e50-kiem-tra-bao-mat-ket-noi-xiaomi-15-ultra-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">C\u1ea7n \u0111\u1ea3m b\u1ea3o t\u00ednh n\u0103ng b\u1ea3o m\u1eadt sinh tr\u1eafc h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra V\u00e2n tay v\u00e0 Face ID c\u1ee7a Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y v\u00e0o ph\u1ea7n C\u00e0i \u0111\u1eb7t, ch\u1ecdn B\u1ea3o m\u1eadt \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u00eam m\u1edbi v\u00e2n tay v\u00e0 khu\u00f4n m\u1eb7t. Qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp v\u00e2n tay ph\u1ea3i di\u1ec5n ra nhanh ch\u00f3ng, m\u00e1y nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c ng\u00f3n tay \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ed9 kh\u00e1c nhau. N\u1ebfu m\u00e1y b\u00e1o l\u1ed7i li\u00ean t\u1ee5c ho\u1eb7c r\u1ea5t kh\u00f3 nh\u1eadn v\u00e2n tay, c\u00f3 th\u1ec3 m\u00e0n h\u00ecnh \u0111\u00e3 b\u1ecb thay lo\u1ea1i k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c c\u1ea3m bi\u1ebfn v\u00e2n tay d\u01b0\u1edbi m\u00e0n h\u00ecnh b\u1ecb l\u1ed7i. T\u01b0\u01a1ng t\u1ef1 v\u1edbi Face ID, m\u00e1y ph\u1ea3i nh\u1eadn di\u1ec7n khu\u00f4n m\u1eb7t nhanh ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng trong nh\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u00f3ng v\u00e0 K\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y l\u1eafp Sim v\u00e0o m\u00e1y, t\u1eaft Wifi v\u00e0 b\u1eadt d\u1eef li\u1ec7u di \u0111\u1ed9ng 4G\/5G \u0111\u1ec3 th\u1eed truy c\u1eadp m\u1ea1ng. B\u1ea1n c\u0169ng n\u00ean th\u1ef1c hi\u1ec7n \u00edt nh\u1ea5t m\u1ed9t cu\u1ed9c g\u1ecdi \u0111i v\u00e0 nh\u1eadn m\u1ed9t cu\u1ed9c g\u1ecdi \u0111\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0103ng-ten s\u00f3ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. \u0110\u1ed3ng th\u1eddi, h\u00e3y th\u1eed k\u1ebft n\u1ed1i m\u00e1y v\u1edbi m\u1ed9t m\u1ea1ng Wifi v\u00e0 \u0111i ra xa c\u1ee5c ph\u00e1t \u0111\u1ec3 xem c\u1ed9t s\u00f3ng Wifi c\u00f3 b\u1ecb t\u1ee5t qu\u00e1 nhanh hay m\u1ea5t k\u1ebft n\u1ed1i kh\u00f4ng. Cu\u1ed1i c\u00f9ng, \u0111\u1eebng qu\u00ean b\u1eadt Bluetooth v\u00e0 th\u1eed k\u1ebft n\u1ed1i v\u1edbi tai nghe ho\u1eb7c loa kh\u00f4ng d\u00e2y \u0111\u1ec3 ch\u1eafc ch\u1eafn chip Bluetooth kh\u00f4ng b\u1ecb l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_pin_va_sac_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra pin v\u00e0 s\u1ea1c Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pin l\u00e0 linh ki\u1ec7n hao m\u00f2n theo th\u1eddi gian, nh\u01b0ng vi\u1ec7c ki\u1ec3m tra k\u1ef9 s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh mua ph\u1ea3i nh\u1eefng chi\u1ebfc m\u00e1y c\u00f3 pin \u0111\u00e3 qu\u00e1 chai ho\u1eb7c b\u1ecb l\u1ed7i \u0103n ngu\u1ed3n tr\u00ean mainboard.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 s\u1ea1c Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y y\u00eau c\u1ea7u ng\u01b0\u1eddi b\u00e1n cho m\u01b0\u1ee3n b\u1ed9 s\u1ea1c zin theo m\u00e1y ho\u1eb7c b\u1ed9 s\u1ea1c c\u00f3 c\u00f4ng su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (90W ho\u1eb7c 120W). Khi c\u1eafm s\u1ea1c, m\u00e0n h\u00ecnh ph\u1ea3i hi\u1ec7n hi\u1ec7u \u1ee9ng s\u1ea1c nhanh Mi Turbo Charge v\u00e0 s\u1ed1 ph\u1ea7n tr\u0103m pin ph\u1ea3i ch\u1ea1y s\u1ed1 th\u1eadp ph\u00e2n (v\u00ed d\u1ee5 nh\u1ea3y t\u1eeb 56.45% l\u00ean 56.50% r\u1ea5t nhanh). N\u1ebfu c\u1eafm s\u1ea1c zin m\u00e0 m\u00e1y ch\u1ec9 b\u00e1o \u0111ang s\u1ea1c th\u01b0\u1eddng ho\u1eb7c t\u1ed1c \u0111\u1ed9 v\u00e0o pin r\u1ea5t ch\u1eadm, c\u00f3 th\u1ec3 ch\u00e2n s\u1ea1c c\u1ee7a m\u00e1y b\u1ecb l\u1ecfng, c\u00e1p s\u1ea1c h\u1ecfng ho\u1eb7c nghi\u00eam tr\u1ecdng h\u01a1n l\u00e0 l\u1ed7i IC s\u1ea1c tr\u00ean bo m\u1ea1ch ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra dung l\u01b0\u1ee3ng pin Xiaomi 15 Ultra c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00f4ng s\u1ed1 b\u00e1o t\u00ecnh tr\u1ea1ng pin trong c\u00e0i \u0111\u1eb7t \u0111\u00f4i khi c\u00f3 th\u1ec3 b\u1ecb l\u00e0m gi\u1ea3. C\u00e1ch test th\u1ef1c t\u1ebf nh\u1ea5t l\u00e0 h\u00e3y b\u1eadt camera, quay video 4K li\u00ean t\u1ee5c trong kho\u1ea3ng 10 \u0111\u1ebfn 15 ph\u00fat. Trong qu\u00e1 tr\u00ecnh n\u00e0y, h\u00e3y theo d\u00f5i m\u1ee9c t\u1ee5t pin. N\u1ebfu ch\u1ec9 trong 10 ph\u00fat m\u00e0 pin t\u1ee5t qu\u00e1 10-15% ho\u1eb7c khu v\u1ef1c m\u1eb7t l\u01b0ng m\u00e1y n\u00f3ng ran l\u00ean m\u1ed9t c\u00e1ch b\u1ea5t th\u01b0\u1eddng, th\u00ec vi\u00ean pin \u0111\u00f3 \u0111\u00e3 b\u1ecb chai n\u1eb7ng ho\u1eb7c m\u00e1y \u0111ang g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea1m ch\u1eadp g\u00e2y hao ngu\u1ed3n, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean mua.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_phan_mem_va_tai_khoan_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra ph\u1ea7n m\u1ec1m v\u00e0 t\u00e0i kho\u1ea3n Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh quy\u1ec1n s\u1edf h\u1eefu th\u1ef1c s\u1ef1 c\u1ee7a chi\u1ebfc m\u00e1y v\u00e0 tr\u00e1nh r\u1ee7i ro bi\u1ebfn chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i th\u00e0nh &#8220;c\u1ee5c ch\u1eb7n gi\u1ea5y&#8221; cao c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e0i kho\u1ea3n Mi Cloud v\u00e0 Google<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i y\u00eau c\u1ea7u ng\u01b0\u1eddi b\u00e1n tho\u00e1t h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i kho\u1ea3n Google v\u00e0 Mi Account \u0111ang \u0111\u0103ng nh\u1eadp tr\u00ean m\u00e1y. Sau \u0111\u00f3, h\u00e3y th\u1ef1c hi\u1ec7n thao t\u00e1c Kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t g\u1ed1c (Factory Reset) ngay t\u1ea1i ch\u1ed7. Vi\u1ec7c n\u00e0y s\u1ebd x\u00f3a s\u1ea1ch d\u1eef li\u1ec7u v\u00e0 \u0111\u01b0a m\u00e1y v\u1ec1 tr\u1ea1ng th\u00e1i xu\u1ea5t x\u01b0\u1edfng. Khi m\u00e1y kh\u1edfi \u0111\u1ed9ng l\u1ea1i, n\u1ebfu n\u00f3 kh\u00f4ng y\u00eau c\u1ea7u nh\u1eadp m\u1eadt kh\u1ea9u c\u1ee7a t\u00e0i kho\u1ea3n Mi Cloud c\u0169 th\u00ec ch\u1ee9ng t\u1ecf m\u00e1y s\u1ea1ch. N\u1ebfu m\u00e1y y\u00eau c\u1ea7u nh\u1eadp m\u1eadt kh\u1ea9u c\u1ee7a m\u1ed9t t\u00e0i kho\u1ea3n l\u1ea1, \u0111\u00f3 l\u00e0 m\u00e1y d\u00ednh Mi Cloud \u1ea9n v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c mua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra Bootloader v\u00e0 Rom<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y, h\u00e3y \u0111\u1ec3 \u00fd logo Mi tr\u00ean m\u00e0n h\u00ecnh. N\u1ebfu th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a \u0111ang m\u1edf \u1edf ph\u00eda tr\u00ean logo, ngh\u0129a l\u00e0 m\u00e1y \u0111\u00e3 b\u1ecb Unlock Bootloader. Vi\u1ec7c n\u00e0y th\u01b0\u1eddng th\u1ea5y \u1edf c\u00e1c m\u00e1y x\u00e1ch tay \u0111\u1ec3 c\u00e0i ROM ti\u1ebfng Vi\u1ec7t. Tuy nhi\u00ean, m\u00e1y \u0111\u00e3 Unlock Bootloader c\u00f3 th\u1ec3 s\u1ebd b\u1ecb ch\u1eb7n s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ng\u00e2n h\u00e0ng (Banking) ho\u1eb7c v\u00ed \u0111i\u1ec7n t\u1eed do ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt. C\u1ea7n c\u00e2n nh\u1eafc nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh mua nh\u1eefng chi\u1ebfc m\u00e1y n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_chuc_nang_Xiaomi_15_Ultra_cu\"><\/span><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng Xiaomi 15 Ultra c\u0169<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sau c\u00e1c b\u00e0i test ph\u1ea7n m\u1ec1m Xiaomi 15 Ultra c\u0169, vi\u1ec7c ki\u1ec3m tra c\u00e1c t\u01b0\u01a1ng t\u00e1c v\u1eadt l\u00fd l\u00e0 b\u01b0\u1edbc ch\u1ed1t h\u1ea1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n b\u1ec9. Nh\u1eefng chi ti\u1ebft nh\u01b0 c\u1ed5ng s\u1ea1c hay ph\u00edm b\u1ea5m tuy nh\u1ecf nh\u01b0ng n\u1ebfu ch\u1eadp ch\u1eddn s\u1ebd g\u00e2y \u1ee9c ch\u1ebf r\u1ea5t l\u1edbn trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra.webp\" alt=\"Ki\u1ec3m tra ch\u1ee9c n\u0103ng Xiaomi 15 Ultra\" class=\"wp-image-76156\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/02\/8e85557e-kiem-tra-chuc-nang-xiaomi-15-ultra-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">C\u1ea7n \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 ph\u1ee5 ki\u1ec7n, s\u1ea1c \u0111\u1ea7y \u0111\u1ee7 khi mua.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u1ed5ng s\u1ea1c v\u00e0 k\u1ebft n\u1ed1i d\u1eef li\u1ec7u<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ed5ng USB-C ch\u1ecbu ma s\u00e1t nhi\u1ec1u nh\u1ea5t n\u00ean r\u1ea5t d\u1ec5 b\u1ecb m\u00f2n. H\u00e3y c\u1eafm c\u00e1p s\u1ea1c v\u00e0 lay nh\u1eb9 \u0111\u1ea7u d\u00e2y; n\u1ebfu k\u1ebft n\u1ed1i b\u1ecb ng\u1eaft qu\u00e3ng li\u00ean t\u1ee5c, ch\u00e2n h\u00e0n tr\u00ean mainboard \u0111\u00e3 b\u1ecb l\u1ecfng. Quan tr\u1ecdng nh\u1ea5t, khi c\u1eafm b\u1ed9 s\u1ea1c zin, m\u00e1y ph\u1ea3i k\u00edch ho\u1ea1t ngay bi\u1ec3u t\u01b0\u1ee3ng &#8220;Mi Turbo Charge&#8221; v\u1edbi s\u1ed1 ph\u1ea7n tr\u0103m pin ch\u1ea1y h\u00e0ng th\u1eadp ph\u00e2n. Ngo\u00e0i ra, h\u00e3y th\u1eed k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh; n\u1ebfu m\u00e1y t\u00ednh kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb, c\u1ed5ng s\u1ea1c \u0111\u00e3 b\u1ecb ch\u1ebft \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u (Data), s\u1ebd r\u1ea5t r\u1eafc r\u1ed1i khi c\u1ea7n ch\u1ea1y l\u1ea1i ph\u1ea7n m\u1ec1m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra \u0111\u1ed9 n\u1ea3y ph\u00edm v\u1eadt l\u00fd v\u00e0 motor rung<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y nh\u1ea5n li\u00ean t\u1ee5c v\u00e0o ph\u00edm ngu\u1ed3n v\u00e0 t\u0103ng gi\u1ea3m \u00e2m l\u01b0\u1ee3ng. Ph\u00edm \u0111\u1ea1t chu\u1ea9n ph\u1ea3i c\u00f3 \u0111\u1ed9 n\u1ea3y t\u1ed1t, ti\u1ebfng &#8220;t\u00e1ch&#8221; d\u1ee9t kho\u00e1t, kh\u00f4ng b\u1ecb l\u00fan s\u00e2u hay k\u1eb9t c\u1ee9ng do va \u0111\u1eadp khung vi\u1ec1n. Ti\u1ebfp \u0111\u00f3, h\u00e3y v\u00e0o c\u00e0i \u0111\u1eb7t \u0111\u1ea9y \u0111\u1ed9 rung l\u00ean m\u1ee9c cao nh\u1ea5t. Motor rung tr\u1ee5c X tr\u00ean Xiaomi 15 Ultra ph\u1ea3i cho c\u1ea3m gi\u00e1c rung &#8220;\u0111\u1ea7m&#8221;, ch\u1eafc ch\u1eafn. N\u1ebfu nghe th\u1ea5y ti\u1ebfng &#8220;r\u00e8 r\u00e8&#8221; ho\u1eb7c rung l\u1ecfng l\u1ebbo, kh\u1ea3 n\u0103ng cao \u1ed1c c\u1ed1 \u0111\u1ecbnh motor b\u00ean trong \u0111\u00e3 b\u1ecb l\u1ecfng ho\u1eb7c linh ki\u1ec7n \u0111\u00e3 b\u1ecb thay th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra s\u1ea1c kh\u00f4ng d\u00e2y<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc &#8220;b\u1eaft b\u1ec7nh&#8221; xem m\u00e1y \u0111\u00e3 b\u1ecb th\u00e1o m\u1eb7t l\u01b0ng hay ch\u01b0a. H\u00e3y \u0111\u1eb7t m\u00e1y l\u00ean \u0111\u1ebf s\u1ea1c, thi\u1ebft b\u1ecb c\u1ea7n nh\u1eadn \u0111i\u1ec7n ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng b\u1ecb n\u00f3ng b\u1ea5t th\u01b0\u1eddng. N\u1ebfu m\u00e1y kh\u00f4ng nh\u1eadn s\u1ea1c kh\u00f4ng d\u00e2y ho\u1eb7c kh\u00f4ng th\u1ec3 s\u1ea1c ng\u01b0\u1ee3c cho thi\u1ebft b\u1ecb kh\u00e1c, r\u1ea5t c\u00f3 th\u1ec3 m\u00e1y \u0111\u00e3 b\u1ecb thay l\u01b0ng k\u00ednh v\u00e0 th\u1ee3 s\u1eeda ch\u1eefa \u0111\u00e3 l\u00e0m \u0111\u1ee9t m\u1ea1ch NFC ho\u1eb7c qu\u00ean g\u1eafn l\u1ea1i socket k\u1ebft n\u1ed1i cu\u1ed9n c\u1ea3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra loa k\u00e9p v\u00e0 m\u00e0ng l\u01b0\u1edbi<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i m\u00e0ng loa, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i m\u1edf nh\u1ea1c ho\u1eb7c video test \u00e2m thanh \u1edf m\u1ee9c \u00e2m l\u01b0\u1ee3ng 100%. H\u00e3y gh\u00e9 s\u00e1t tai nghe \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u00e2m thanh trong tr\u1ebbo, kh\u00f4ng c\u00f3 ti\u1ebfng &#8220;x\u1eb9t x\u1eb9t&#8221; hay v\u1ee1 ti\u1ebfng khi l\u00ean n\u1ed1t cao. D\u00f9ng tay b\u1ecbt l\u1ea7n l\u01b0\u1ee3t t\u1eebng b\u00ean loa (tr\u00ean v\u00e0 d\u01b0\u1edbi) \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 c\u00e2n b\u1eb1ng c\u1ee7a hai k\u00eanh Stereo, \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 b\u00ean n\u00e0o b\u1ecb t\u1ecbt h\u1eb3n. Cu\u1ed1i c\u00f9ng, d\u00f9ng \u0111\u00e8n soi v\u00e0o m\u00e0ng l\u01b0\u1edbi b\u1ea3o v\u1ec7 loa, n\u1ebfu th\u1ea5y l\u01b0\u1edbi b\u1ecb th\u1ee7ng ho\u1eb7c b\u00e1m \u0111\u1ea5t \u0111\u00f3ng b\u00e1nh, ch\u1ee9ng t\u1ecf m\u00e1y t\u1eebng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kinh_nghiem_mua_Xiaomi_15_Ultra_cu_an_toan\"><\/span><strong>Kinh nghi\u1ec7m mua Xiaomi 15 Ultra c\u0169 an to\u00e0n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh c\u00e1c k\u1ef9 thu\u1eadt ki\u1ec3m tra m\u00e1y, vi\u1ec7c trang b\u1ecb cho m\u00ecnh nh\u1eefng kinh nghi\u1ec7m mua b\u00e1n c\u0169ng gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng r\u1ee7i ro kh\u00f4ng \u0111\u00e1ng c\u00f3 v\u00e0 mua \u0111\u01b0\u1ee3c m\u00e1y v\u1edbi gi\u00e1 t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch th\u01b0\u01a1ng l\u01b0\u1ee3ng gi\u00e1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi ki\u1ec3m tra to\u00e0n b\u1ed9 m\u00e1y, h\u00e3y t\u1ed5ng h\u1ee3p l\u1ea1i nh\u1eefng l\u1ed7i nh\u1ecf m\u00e0 b\u1ea1n ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c nh\u01b0ng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn, v\u00ed d\u1ee5 nh\u01b0 v\u1ebft x\u01b0\u1edbc d\u0103m \u1edf vi\u1ec1n, pin chai c\u00f2n 85% hay ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m kh\u00f4ng ph\u1ea3i h\u00e0ng zin. H\u00e3y s\u1eed d\u1ee5ng ch\u00ednh nh\u1eefng \u0111i\u1ec3m tr\u1eeb n\u00e0y l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u00e0m ph\u00e1n gi\u1ea3m gi\u00e1 v\u1edbi ng\u01b0\u1eddi b\u00e1n. Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi b\u00e1n s\u1ebd s\u1eb5n s\u00e0ng b\u1edbt t\u1eeb 500.000\u0111 \u0111\u1ebfn 1.000.000\u0111 n\u1ebfu ch\u1ec9 ra \u0111\u01b0\u1ee3c l\u1ed7i c\u1ee5 th\u1ec3 m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd thay v\u00ec tr\u1ea3 gi\u00e1 su\u00f4ng. Xem chi ti\u1ebft <a href=\"https:\/\/www.chotot.com\/dien-thoai-xiaomi-15-ultra-sd6a0e\">b\u1ea3ng gi\u00e1 Xiaomi 15 Ultra<\/a> k\u00e8m ph\u00e2n t\u00edch v\u00e0 so s\u00e1nh chi ti\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eefng l\u1ed7i n\u00ean tr\u00e1nh mua<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 nh\u1eefng l\u1ed7i nghi\u00eam tr\u1ecdng m\u00e0 d\u00f9 gi\u00e1 r\u1ebb \u0111\u1ebfn \u0111\u00e2u c\u0169ng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean mua. \u0110\u00f3 l\u00e0 m\u00e0n h\u00ecnh b\u1ecb \u00e1m n\u1eb7ng, c\u00f3 \u0111i\u1ec3m ch\u1ebft l\u1edbn ho\u1eb7c ch\u1ea3y m\u1ef1c; m\u00e1y m\u1ea5t ch\u1ee9c n\u0103ng Face ID ho\u1eb7c V\u00e2n tay (th\u01b0\u1eddng do l\u1ed7i main ho\u1eb7c \u0111\u1ee9t c\u00e1p); m\u00e1y d\u00ednh t\u00e0i kho\u1ea3n Mi Cloud \u1ea9n kh\u00f4ng th\u1ec3 \u0111\u0103ng xu\u1ea5t; v\u00e0 c\u1ee5m camera b\u1ecb rung, m\u1edd \u0111\u1ee5c kh\u00f4ng th\u1ec3 l\u1ea5y n\u00e9t. Chi ph\u00ed \u0111\u1ec3 s\u1eeda ch\u1eefa nh\u1eefng l\u1ed7i n\u00e0y th\u01b0\u1eddng r\u1ea5t cao v\u00e0 kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh sau khi s\u1eeda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00f3 n\u00ean mua Xiaomi 15 Ultra c\u0169 kh\u00f4ng?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu t\u00ecm \u0111\u01b0\u1ee3c m\u1ed9t chi\u1ebfc Xiaomi 15 Ultra v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 c\u00e1c b\u00e0i test kh\u1eafc nghi\u1ec7t k\u1ec3 tr\u00ean, th\u00ec \u0111\u00e2y th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t m\u00f3n h\u1eddi c\u00f4ng ngh\u1ec7 \u0111\u00e1ng s\u1edf h\u1eefu. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3i nghi\u1ec7m hi\u1ec7u n\u0103ng \u0111\u1ec9nh cao, c\u1ee5m camera Leica ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 m\u00e0n h\u00ecnh tuy\u1ec7t \u0111\u1eb9p v\u1edbi m\u1ee9c gi\u00e1 ch\u1ec9 b\u1eb1ng 60-70% so v\u1edbi m\u00e1y m\u1edbi \u0111\u1eadp h\u1ed9p. Tuy nhi\u00ean, \u0111\u1ec3 an to\u00e0n nh\u1ea5t, b\u1ea1n n\u00ean \u01b0u ti\u00ean mua m\u00e1y t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng uy t\u00edn, c\u00f3 \u0111\u1ecba ch\u1ec9 r\u00f5 r\u00e0ng v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh bao test t\u1eeb 7 \u0111\u1ebfn 15 ng\u00e0y \u0111\u1ec3 y\u00ean t\u00e2m s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><strong>K\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1edf h\u1eefu Xiaomi 15 Ultra c\u0169 l\u00e0 b\u00e0i to\u00e1n kinh t\u1ebf th\u00f4ng minh, nh\u01b0ng ch\u1ec9 th\u1ef1c s\u1ef1 &#8220;h\u1eddi&#8221; khi ch\u1ecdn \u0111\u01b0\u1ee3c m\u00e1y nguy\u00ean b\u1ea3n. \u0110\u1eebng b\u1ecf qua b\u1ea5t k\u1ef3 b\u01b0\u1edbc ki\u1ec3m tra n\u00e0o trong b\u1ea3ng h\u01b0\u1edbng d\u1eabn tr\u00ean, t\u1eeb vi\u1ec7c soi ngo\u1ea1i h\u00ecnh \u0111\u1ebfn test m\u00e3 l\u1ec7nh CIT, \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro mua ph\u1ea3i h\u00e0ng d\u1ef1ng k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. B\u00ean c\u1ea1nh k\u1ef9 n\u0103ng test m\u00e1y, h\u00e3y lu\u00f4n \u01b0u ti\u00ean giao d\u1ecbch v\u1edbi ng\u01b0\u1eddi b\u00e1n uy t\u00edn c\u00f3 cam k\u1ebft b\u1ea3o h\u00e0nh v\u00e0 bao test r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu \u0111\u00e3 t\u1ef1 tin v\u1edbi ki\u1ebfn th\u1ee9c ki\u1ec3m tra m\u00e1y, h\u00e3y truy c\u1eadp ngay Ch\u1ee3 T\u1ed1t \u0111\u1ec3 d\u1ec5 d\u00e0ng so s\u00e1nh gi\u00e1 v\u00e0 rinh v\u1ec1 chi\u1ebfc Xiaomi 15 Ultra \u01b0ng \u00fd nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1edf h\u1eefu m\u1ed9t chi\u1ebfc flagship \u0111\u1ec9nh cao nh\u01b0 Xiaomi 15 Ultra v\u1edbi m\u1ee9c gi\u00e1 c\u1ee7a h\u00e0ng \u0111\u00e3 qua s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kinh t\u1ebf th\u00f4ng minh, nh\u01b0ng h\u00e0nh tr\u00ecnh n\u00e0y c\u0169ng \u0111\u1ea7y r\u1eaby nh\u1eefng &#8220;c\u1ea1m b\u1eaby&#8221; k\u1ef9 thu\u1eadt. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t b\u1ea3ng h\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u, gi\u00fap<\/p>\n","protected":false},"author":451,"featured_media":76153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"c\u00e1ch test xiaomi 15 ultra c\u0169","_yoast_wpseo_title":"C\u00e1ch ki\u1ec3m tra chi ti\u1ebft Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua","_yoast_wpseo_metadesc":"H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra Xiaomi 15 Ultra c\u0169 t\u1eeb A-Z. B\u00ed quy\u1ebft test m\u00e0n h\u00ecnh, camera, pin v\u00e0 t\u00e0i kho\u1ea3n Mi Cloud \u1ea9n \u0111\u1ec3 tr\u00e1nh h\u00e0ng d\u1ef1ng. \u0110\u1ecdc ngay tr\u01b0\u1edbc khi xu\u1ed1ng ti\u1ec1n!","_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[949,1076],"tags":[1634],"class_list":["post-76158","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dien-tu","category-dien-thoai","tag-xiaomi-15-ultra"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch ki\u1ec3m tra chi ti\u1ebft Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra Xiaomi 15 Ultra c\u0169 t\u1eeb A-Z. B\u00ed quy\u1ebft test m\u00e0n h\u00ecnh, camera, pin v\u00e0 t\u00e0i kho\u1ea3n Mi Cloud \u1ea9n \u0111\u1ec3 tr\u00e1nh h\u00e0ng d\u1ef1ng. \u0110\u1ecdc ngay tr\u01b0\u1edbc khi xu\u1ed1ng ti\u1ec1n!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-xiaomi-15-ultra-cu.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch ki\u1ec3m tra chi ti\u1ebft Xiaomi 15 Ultra c\u0169 tr\u01b0\u1edbc khi mua\" \/>\n<meta property=\"og:description\" content=\"H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra Xiaomi 15 Ultra c\u0169 t\u1eeb A-Z. 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