{"id":84707,"date":"2026-07-03T12:06:55","date_gmt":"2026-07-03T05:06:55","guid":{"rendered":"https:\/\/www.chotot.com\/kinh-nghiem\/?p=84707"},"modified":"2026-07-03T12:07:46","modified_gmt":"2026-07-03T05:07:46","slug":"cach-test-iphone-14-cu","status":"publish","type":"post","link":"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html","title":{"rendered":"C\u00e1ch ki\u1ec3m tra iPhone 14 c\u0169 chu\u1ea9n th\u1ee3 kh\u00f4ng lo h\u00e0ng d\u1ef1ng"},"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-iphone-14-cu.html\/#Vi_sao_can_kiem_tra_iPhone_14_cu\" >V\u00ec sao c\u1ea7n ki\u1ec3m tra iPhone 14 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-2\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-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-3\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-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-4\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Can_kiem_tra_nhung_muc_gi_khi_mua_iPhone_14_cu\" >C\u1ea7n ki\u1ec3m tra nh\u1eefng m\u1ee5c g\u00ec khi mua iPhone 14 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-5\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kiem_tra_ngoai_hinh_chung\" >Ki\u1ec3m tra ngo\u1ea1i h\u00ecnh chung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kiem_tra_man_hinh_va_cam_ung\" >Ki\u1ec3m tra m\u00e0n h\u00ecnh v\u00e0 c\u1ea3m \u1ee9ng<\/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-iphone-14-cu.html\/#Kiem_tra_camera_va_Face_ID\" >Ki\u1ec3m tra camera v\u00e0 Face ID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kiem_tra_pin_va_hieu_nang\" >Ki\u1ec3m tra pin v\u00e0 hi\u1ec7u n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kiem_tra_phan_mem_iCloud_va_nguon_goc\" >Ki\u1ec3m tra ph\u1ea7n m\u1ec1m, iCloud v\u00e0 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-10\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kiem_tra_phu_kien_va_buoc_xac_nhan_cuoi_cung\" >Ki\u1ec3m tra ph\u1ee5 ki\u1ec7n v\u00e0 b\u01b0\u1edbc x\u00e1c nh\u1eadn cu\u1ed1i c\u00f9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Mot_so_ma_ung_dung_ho_tro_test_iPhone_14\" >M\u1ed9t s\u1ed1 m\u00e3 &amp; \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 test iPhone 14<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Kinh_nghiem_mua_iPhone_14_cu_an_toan\" >Kinh nghi\u1ec7m mua iPhone 14 c\u0169 an to\u00e0n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Cach_thuong_luong_gia\" >C\u00e1ch th\u01b0\u01a1ng l\u01b0\u1ee3ng gi\u00e1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Nhung_loi_nen_tranh_mua\" >Nh\u1eefng l\u1ed7i n\u00ean tr\u00e1nh mua<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/cach-test-iphone-14-cu.html\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Th\u1ecb tr\u01b0\u1eddng iPhone c\u0169 lu\u00f4n ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro v\u1edbi c\u00e1c m\u00e1nh kh\u00f3e tinh vi nh\u01b0 &#8220;k\u00edch pin&#8221;, thay v\u1ecf, \u00e9p k\u00ednh hay \u1ea9n iCloud. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p quy tr\u00ecnh ki\u1ec3m tra to\u00e0n di\u1ec7n, gi\u00fap b\u1ea1n t\u1ef1 tin \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb nh\u01b0 m\u1ed9t chuy\u00ean gia k\u1ef9 thu\u1eadt th\u1ef1c th\u1ee5. N\u1ed9i dung ch\u00ednh bao g\u1ed3m c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ngo\u1ea1i h\u00ecnh, m\u00e0n h\u00ecnh, camera, hi\u1ec7u n\u0103ng pin, iCloud v\u00e0 c\u00e1c l\u01b0u \u00fd s\u1ed1ng c\u00f2n khi giao d\u1ecbch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_sao_can_kiem_tra_iPhone_14_cu\"><\/span>V\u00ec sao c\u1ea7n ki\u1ec3m tra iPhone 14 c\u0169?<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 thi\u1ebft b\u1ecb \u0111\u00e3 qua s\u1eed d\u1ee5ng l\u00e0 b\u01b0\u1edbc s\u00e0ng l\u1ecdc b\u1eaft bu\u1ed9c \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00fai ti\u1ec1n c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u00fd do c\u1ed1t l\u00f5i gi\u1ea3i th\u00edch t\u1ea1i sao b\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee7 quan khi tham gia <a href=\"https:\/\/www.chotot.com\/mua-ban-dien-thoai-apple-iphone-14-sdmd1ml2409\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>mua b\u00e1n iPhone 14<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u1ee7i ro v\u1ec1 ph\u1ea7n c\u1ee9ng &amp; linh ki\u1ec7n<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">iPhone 14 c\u0169 tr\u00f4i n\u1ed5i tr\u00ean th\u1ecb tr\u01b0\u1eddng r\u1ea5t d\u1ec5 b\u1ecb thay th\u1ebf linh ki\u1ec7n k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 t\u1ed1i \u01b0u l\u1ee3i nhu\u1eadn cho ng\u01b0\u1eddi b\u00e1n. Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 t\u00ecnh tr\u1ea1ng m\u00e1y &#8220;d\u1ef1ng&#8221;, t\u1ee9c l\u00e0 mainboard c\u0169 \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o v\u1ecf m\u1edbi, ho\u1eb7c m\u00e1y b\u1ecb \u00e9p k\u00ednh, thay m\u00e0n h\u00ecnh l\u00f4 gi\u00e1 r\u1ebb. Nh\u1eefng linh ki\u1ec7n kh\u00f4ng ch\u00ednh h\u00e3ng n\u00e0y th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p, d\u1ec5 h\u1ecfng h\u00f3c sau m\u1ed9t th\u1eddi gian ng\u1eafn s\u1eed d\u1ee5ng v\u00e0 l\u00e0m m\u1ea5t kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc nguy\u00ean b\u1ea3n c\u1ee7a thi\u1ebft b\u1ecb.<\/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\">B\u00ean c\u1ea1nh ph\u1ea7n c\u1ee9ng, r\u1ee7i ro v\u1ec1 ph\u1ea7n m\u1ec1m nh\u01b0 d\u00ednh iCloud \u1ea9n hay m\u00e1y Lock &#8220;c\u00e2u sim&#8221; gi\u1ea3 d\u1ea1ng Qu\u1ed1c t\u1ebf l\u00e0 c\u01a1n \u00e1c m\u1ed9ng c\u1ee7a ng\u01b0\u1eddi mua m\u00e1y c\u0169. N\u1ebfu kh\u00f4ng bi\u1ebft <strong>c\u00e1ch test iPhone 14 c\u0169<\/strong> k\u1ef9 c\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 mua ph\u1ea3i m\u1ed9t chi\u1ebfc m\u00e1y b\u1ecb kh\u00f3a t\u1eeb xa b\u1ea5t c\u1ee9 l\u00fac n\u00e0o, bi\u1ebfn thi\u1ebft b\u1ecb th\u00e0nh &#8220;c\u1ee5c g\u1ea1ch&#8221; \u0111\u00fang ngh\u0129a. Ngo\u00e0i ra, ngu\u1ed3n g\u1ed1c m\u00e1y kh\u00f4ng r\u00f5 r\u00e0ng (h\u00e0ng tr\u1ed9m c\u1eafp, h\u00e0ng tu\u1ed3n) c\u0169ng mang l\u1ea1i nhi\u1ec1u r\u1eafc r\u1ed1i ph\u00e1p l\u00fd ti\u1ec1m \u1ea9n.<\/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\">N\u1ebfu kh\u00f4ng am hi\u1ec3u v\u1ec1 t\u00ecnh tr\u1ea1ng m\u00e1y, b\u1ea1n r\u1ea5t d\u1ec5 b\u1ecb &#8220;h\u1edb&#8221; khi mua v\u1edbi gi\u00e1 cao h\u01a1n gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf. M\u1ed9t chi\u1ebfc m\u00e1y \u0111\u00e3 qua s\u1eeda ch\u1eefa, pin chai ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc nhi\u1ec1u \u0111\u00e1ng l\u1ebd ph\u1ea3i c\u00f3 gi\u00e1 r\u1ebb h\u01a1n h\u00e0ng nguy\u00ean b\u1ea3n (zin 99%). Vi\u1ec7c thi\u1ebfu ki\u1ebfn th\u1ee9c ki\u1ec3m tra c\u0169ng khi\u1ebfn b\u1ea1n g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c y\u00eau c\u1ea7u b\u1ea3o h\u00e0nh sau n\u00e0y, v\u00ec ng\u01b0\u1eddi b\u00e1n c\u00f3 th\u1ec3 \u0111\u1ed5 l\u1ed7i cho ng\u01b0\u1eddi d\u00f9ng n\u1ebfu l\u1ed7i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n ngay t\u1ea1i th\u1eddi \u0111i\u1ec3m giao d\u1ecbch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_kiem_tra_nhung_muc_gi_khi_mua_iPhone_14_cu\"><\/span>C\u1ea7n ki\u1ec3m tra nh\u1eefng m\u1ee5c g\u00ec khi mua iPhone 14 c\u0169?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o mua \u0111\u01b0\u1ee3c chi\u1ebfc iPhone 14 ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi <a href=\"https:\/\/www.chotot.com\/dien-thoai-iphone-14-sd6a0e\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>gi\u00e1 iPhone 14<\/strong><\/a> t\u1ed1t nh\u1ea5t, b\u1ea1n c\u1ea7n tu\u00e2n th\u1ee7 quy tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t t\u1eeb ngo\u00e0i v\u00e0o trong: Ngo\u1ea1i h\u00ecnh, M\u00e0n h\u00ecnh, Camera, Pin, Ph\u1ea7n c\u1ee9ng, Ph\u1ea7n m\u1ec1m v\u00e0 Ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_ngoai_hinh_chung\"><\/span>Ki\u1ec3m tra ngo\u1ea1i h\u00ecnh chung<span class=\"ez-toc-section-end\"><\/span><\/h3>\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\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong.webp\" alt=\"C\u1ea7n th\u1ef1c hi\u1ec7n quy tr\u00ecnh ki\u1ec3m tra to\u00e0n di\u1ec7n t\u1eeb ngo\u1ea1i quan b\u00ean ngo\u00e0i \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng b\u00ean trong\" class=\"wp-image-84750\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/a6ed5a7e-can-thuc-hien-quy-trinh-kiem-tra-toan-dien-tu-ngoai-quan-ben-ngoai-den-cac-chuc-nang-ben-trong-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">C\u1ea7n th\u1ef1c hi\u1ec7n quy tr\u00ecnh ki\u1ec3m tra to\u00e0n di\u1ec7n t\u1eeb ngo\u1ea1i quan b\u00ean ngo\u00e0i \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng b\u00ean trong<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra khung vi\u1ec1n \u2013 m\u1eb7t k\u00ednh<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n h\u00e3y quan s\u00e1t th\u1eadt k\u1ef9 ph\u1ea7n ti\u1ebfp gi\u00e1p gi\u1eefa m\u00e0n h\u00ecnh v\u00e0 khung vi\u1ec1n nh\u00f4m c\u1ee7a iPhone 14. M\u00e1y nguy\u00ean b\u1ea3n s\u1ebd c\u00f3 \u0111\u1ed9 kh\u00edt cao, \u0111\u01b0\u1eddng n\u1ed1i li\u1ec1n m\u1ea1ch, s\u1edd tay v\u00e0o c\u1ea3m gi\u00e1c m\u01b0\u1ee3t m\u00e0, kh\u00f4ng c\u1ea5n g\u1ee3n. N\u1ebfu th\u1ea5y keo th\u1eeba tr\u00e0n ra ho\u1eb7c khe h\u1edf l\u1edbn, kh\u1ea3 n\u0103ng cao m\u00e1y \u0111\u00e3 b\u1ecb thay m\u00e0n h\u00ecnh ho\u1eb7c \u00e9p k\u00ednh. \u0110\u1eebng qu\u00ean soi k\u1ef9 2 \u1ed1c v\u00edt \u1edf c\u1ea1nh \u0111\u00e1y, n\u1ebfu \u1ed1c b\u1ecb to\u00e9t \u0111\u1ea7u ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc, ch\u1ee9ng t\u1ecf m\u00e1y \u0111\u00e3 t\u1eebng b\u1ecb bung ra \u0111\u1ec3 s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u1ee5m camera sau<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00ednh camera l\u00e0 n\u01a1i d\u1ec5 b\u1ecb tr\u1ea7y x\u01b0\u1edbc nh\u01b0ng th\u01b0\u1eddng b\u1ecb ng\u01b0\u1eddi mua b\u1ecf qua. H\u00e3y nghi\u00eang m\u00e1y d\u01b0\u1edbi \u00e1nh \u0111\u00e8n \u0111\u1ec3 soi v\u1ebft x\u01b0\u1edbc tr\u00ean m\u1eb7t k\u00ednh sapphire b\u1ea3o v\u1ec7 \u1ed1ng k\u00ednh. Quan tr\u1ecdng h\u01a1n, b\u1ea1n c\u1ea7n nh\u00ecn s\u00e2u v\u00e0o b\u00ean trong \u1ed1ng k\u00ednh xem c\u00f3 h\u1ea1t b\u1ee5i n\u00e0o l\u1ecdt v\u00e0o hay kh\u00f4ng. N\u1ebfu c\u00f3 b\u1ee5i ho\u1eb7c h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5 b\u00ean trong, ch\u1eafc ch\u1eafn c\u1ee5m camera n\u00e0y \u0111\u00e3 m\u1ea5t \u0111i t\u00ednh nguy\u00ean b\u1ea3n ho\u1eb7c m\u00e1y \u0111\u00e3 b\u1ecb m\u1ea5t \u00e1p su\u1ea5t kh\u00e1ng n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u1ed5ng s\u1ea1c \u2013 loa \u2013 mic<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng \u0111\u00e8n pin soi v\u00e0o c\u1ed5ng s\u1ea1c Lightning \u0111\u1ec3 ki\u1ec3m tra c\u00e1c ch\u00e2n ti\u1ebfp x\u00fac (ch\u00e2n \u0111\u1ed3ng). Ch\u00e2n \u0111\u1ed3ng ph\u1ea3i s\u00e1ng m\u00e0u, kh\u00f4ng b\u1ecb \u0111en hay r\u1ec9 s\u00e9t, c\u00e1c ch\u00e2n ph\u1ea3i \u0111\u1ec1u nhau. M\u00e0ng loa v\u00e0 mic c\u1ea7n s\u1ea1ch s\u1ebd, l\u01b0\u1edbi b\u1ea3o v\u1ec7 kh\u00f4ng b\u1ecb r\u00e1ch hay m\u00f3p m\u00e9o. N\u1ebfu c\u1ed5ng s\u1ea1c qu\u00e1 l\u1ecfng l\u1ebbo khi c\u1eafm c\u00e1p, \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 r\u1ea5t cao ho\u1eb7c c\u1ed5ng s\u1ea1c s\u1eafp h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra ph\u00edm v\u1eadt l\u00fd (ngu\u1ed3n, \u00e2m l\u01b0\u1ee3ng, g\u1ea1t rung)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y b\u1ea5m th\u1eed li\u00ean t\u1ee5c v\u00e0o c\u00e1c ph\u00edm Ngu\u1ed3n, T\u0103ng\/Gi\u1ea3m \u00e2m l\u01b0\u1ee3ng \u0111\u1ec3 c\u1ea3m nh\u1eadn \u0111\u1ed9 n\u1ea3y. Ph\u00edm b\u1ea5m t\u1ed1t ph\u1ea3i c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao, ti\u1ebfng b\u1ea5m &#8220;t\u00e1ch t\u00e1ch&#8221; gi\u00f2n tai, kh\u00f4ng b\u1ecb k\u1eb9t hay l\u00fan s\u00e2u. \u0110\u1eb7c bi\u1ec7t l\u01b0u \u00fd c\u1ea7n g\u1ea1t rung (Silent Switch), h\u00e3y g\u1ea1t l\u00ean xu\u1ed1ng nhi\u1ec1u l\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh n\u0103ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u1ea1y, m\u00e1y ph\u1ea3i rung ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c khi chuy\u1ec3n ch\u1ebf \u0111\u1ed9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_man_hinh_va_cam_ung\"><\/span>Ki\u1ec3m tra m\u00e0n h\u00ecnh v\u00e0 c\u1ea3m \u1ee9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\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\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi.webp\" alt=\"Tr\u00e1nh mua m\u00e0n h\u00ecnh b\u1ecb l\u1ed7i hi\u1ec3n th\u1ecb\" class=\"wp-image-84746\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/40e83ca9-tranh-mua-man-hinh-bi-loi-hien-thi-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Tr\u00e1nh mua m\u00e0n h\u00ecnh b\u1ecb l\u1ed7i hi\u1ec3n th\u1ecb<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test \u00e1m m\u00e0u, s\u1ecdc, \u0111i\u1ec3m ch\u1ebft<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea3i v\u1ec1 m\u1ed9t t\u1ea5m h\u00ecnh m\u00e0u tr\u1eafng tinh khi\u1ebft v\u00e0 xem \u1edf \u0111\u1ed9 s\u00e1ng cao nh\u1ea5t. Quan s\u00e1t k\u1ef9 xem m\u00e0n h\u00ecnh c\u00f3 b\u1ecb \u00e1m h\u1ed3ng ho\u1eb7c \u00e1m xanh qu\u00e1 m\u1ee9c \u1edf c\u00e1c c\u1ea1nh vi\u1ec1n hay kh\u00f4ng. Ti\u1ebfp theo, chuy\u1ec3n sang n\u1ec1n m\u00e0u \u0111en \u0111\u1ec3 t\u00ecm c\u00e1c \u0111i\u1ec3m ch\u1ebft (\u0111i\u1ec3m s\u00e1ng b\u1ea5t th\u01b0\u1eddng kh\u00f4ng \u0111\u1ed5i m\u00e0u) ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng h\u1edf s\u00e1ng. N\u1ebfu th\u1ea5y b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng s\u1ecdc ngang, d\u1ecdc hay \u0111\u1ed1m m\u1ef1c n\u00e0o, h\u00e3y t\u1eeb ch\u1ed1i mua ngay l\u1eadp t\u1ee9c v\u00ec m\u00e0n h\u00ecnh \u0111\u00f3 s\u1eafp h\u1ecfng ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test c\u1ea3m \u1ee9ng \u0111a \u0111i\u1ec3m<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1eb9o \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 test c\u1ea3m \u1ee9ng l\u00e0 gi\u1eef ng\u00f3n tay v\u00e0o m\u1ed9t bi\u1ec3u t\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng b\u1ea5t k\u1ef3 (icon) tr\u00ean m\u00e0n h\u00ecnh ch\u00ednh cho \u0111\u1ebfn khi n\u00f3 rung l\u00ean. Sau \u0111\u00f3, di chuy\u1ec3n icon n\u00e0y \u0111i kh\u1eafp m\u1ecdi v\u1ecb tr\u00ed tr\u00ean m\u00e0n h\u00ecnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 4 g\u00f3c v\u00e0 4 c\u1ea1nh vi\u1ec1n. N\u1ebfu icon b\u1ecb tu\u1ed9t kh\u1ecfi tay \u1edf v\u1ecb tr\u00ed n\u00e0o, \u0111\u00f3 l\u00e0 \u0111i\u1ec3m ch\u1ebft c\u1ea3m \u1ee9ng. B\u1ea1n c\u0169ng n\u00ean th\u1eed g\u00f5 b\u00e0n ph\u00edm nhanh \u0111\u1ec3 xem c\u00f3 b\u1ecb lo\u1ea1n ph\u00edm hay ch\u1eadm ph\u1ea3n h\u1ed3i kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00e9o thanh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh t\u1eeb m\u1ee9c th\u1ea5p nh\u1ea5t l\u00ean m\u1ee9c cao nh\u1ea5t v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i \u00e1nh s\u00e1ng c\u00f3 m\u01b0\u1ee3t m\u00e0 hay kh\u00f4ng. M\u00e0n h\u00ecnh l\u00f4 th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 s\u00e1ng t\u1ed1i \u0111a th\u1ea5p h\u01a1n m\u00e0n zin v\u00e0 khi gi\u1ea3m \u0111\u1ed9 s\u00e1ng xu\u1ed1ng th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 b\u1ecb nh\u1ea5p nh\u00e1y ho\u1eb7c t\u1ed1i \u0111en kh\u00f3 nh\u00ecn. Ra ngo\u00e0i tr\u1eddi n\u1eafng \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb d\u01b0\u1edbi \u00e1nh s\u00e1ng m\u1ea1nh c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch hay \u0111\u1ec3 ph\u00e2n bi\u1ec7t m\u00e0n zin v\u00e0 m\u00e0n l\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean iPhone 14, t\u00ednh n\u0103ng True Tone (t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh m\u00e0u theo m\u00f4i tr\u01b0\u1eddng) l\u00e0 d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft m\u00e0n zin c\u1ef1c t\u1ed1t. H\u00e3y v\u00e0o Trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n (Control Center), nh\u1ea5n gi\u1eef thanh \u0111\u1ed9 s\u00e1ng. N\u1ebfu kh\u00f4ng th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng True Tone, 90% l\u00e0 m\u00e1y \u0111\u00e3 b\u1ecb thay m\u00e0n h\u00ecnh lo\u1ea1i r\u1ebb ti\u1ec1n ho\u1eb7c thay m\u00e0n nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c n\u1ea1p l\u1ea1i m\u00e3 (fix True Tone).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_camera_va_Face_ID\"><\/span>Ki\u1ec3m tra camera v\u00e0 Face ID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng quay ch\u1ee5p l\u00e0 l\u00fd do ch\u00ednh khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi ch\u1ecdn iPhone, v\u00ec v\u1eady c\u1ea7n \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng camera ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o kh\u00f4ng l\u1ed7i l\u1ea7m.<\/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\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do.webp\" alt=\"Face ID tr\u00ean iPhone 14 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng nh\u1ea1y, nh\u1eadn di\u1ec7n nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ed9\" class=\"wp-image-84748\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/26e0c8b3-face-id-tren-iphone-14-can-hoat-dong-nhay-nhan-dien-nhanh-va-on-dinh-o-nhieu-goc-do-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Face ID tr\u00ean iPhone 14 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng nh\u1ea1y, nh\u1eadn di\u1ec7n nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ed9<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Camera sau (C\u00e1c \u1ed1ng k\u00ednh)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1edf \u1ee9ng d\u1ee5ng Camera, chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa \u1ed1ng k\u00ednh g\u00f3c r\u1ed9ng (1x) v\u00e0 g\u00f3c si\u00eau r\u1ed9ng (0.5x). Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ph\u1ea3i m\u01b0\u1ee3t m\u00e0, kh\u00f4ng b\u1ecb kh\u1ef1ng h\u00ecnh hay treo m\u00e1y. Che tay l\u1ea7n l\u01b0\u1ee3t t\u1eebng \u1ed1ng k\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c camera n\u00e0o \u0111ang ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o c\u1ea3 hai \u1ed1ng k\u00ednh \u0111\u1ec1u thu \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh r\u00f5 n\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test l\u1ea5y n\u00e9t, ch\u1ed1ng rung v\u00e0 quay video<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea1m tay v\u00e0o c\u00e1c \u0111i\u1ec3m s\u00e1ng t\u1ed1i kh\u00e1c nhau tr\u00ean m\u00e0n h\u00ecnh \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng l\u1ea5y n\u00e9t v\u00e0 \u0111o s\u00e1ng t\u1ef1 \u0111\u1ed9ng. Th\u1eed ch\u1ee5p m\u1ed9t v\u1eadt th\u1ec3 \u1edf g\u1ea7n (macro) v\u00e0 m\u1ed9t v\u1eadt th\u1ec3 \u1edf xa \u0111\u1ec3 xem t\u1ed1c \u0111\u1ed9 b\u1eaft n\u00e9t. Sau \u0111\u00f3, chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 quay video v\u00e0 di chuy\u1ec3n nh\u1eb9 m\u00e1y. N\u1ebfu h\u00ecnh \u1ea3nh b\u1ecb rung l\u1eafc d\u1eef d\u1ed9i ho\u1eb7c c\u00f3 ti\u1ebfng k\u00eau l\u1ea1 ph\u00e1t ra t\u1eeb c\u1ee5m camera, h\u1ec7 th\u1ed1ng ch\u1ed1ng rung quang h\u1ecdc (OIS) c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Camera tr\u01b0\u1edbc &amp; Face ID<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chuy\u1ec3n sang camera tr\u01b0\u1edbc, ch\u1ee5p th\u1eed v\u00e0i t\u1ea5m selfie \u1edf ch\u1ebf \u0111\u1ed9 Ch\u00e2n dung (Portrait) \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng x\u00f3a ph\u00f4ng. Quan tr\u1ecdng nh\u1ea5t l\u00e0 t\u00ednh n\u0103ng Face ID. H\u00e3y v\u00e0o C\u00e0i \u0111\u1eb7t v\u00e0 thi\u1ebft l\u1eadp th\u1eed Face ID. N\u1ebfu m\u00e1y b\u00e1o &#8220;Face ID kh\u00f4ng kh\u1ea3 d\u1ee5ng&#8221; ho\u1eb7c &#8220;Di chuy\u1ec3n iPhone l\u00ean th\u1ea5p\/xu\u1ed1ng cao&#8221; li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng mua v\u00ec s\u1eeda ch\u1eefa Face ID r\u1ea5t t\u1ed1n k\u00e9m v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra l\u1ed7i b\u1ee5i, m\u1edd, rung camera<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u0129a camera v\u00e0o m\u1ed9t b\u1ee9c t\u01b0\u1eddng tr\u1eafng ho\u1eb7c t\u1edd gi\u1ea5y tr\u1eafng c\u00f3 \u00e1nh s\u00e1ng t\u1ed1t. Nh\u00ecn k\u1ef9 tr\u00ean m\u00e0n h\u00ecnh xem c\u00f3 c\u00e1c \u0111\u1ed1m \u0111en m\u1edd c\u1ed1 \u0111\u1ecbnh n\u00e0o kh\u00f4ng (g\u1ecdi l\u00e0 \u0111\u1ed1m camera). \u0110\u00e2y l\u00e0 b\u1ee5i l\u1ecdt v\u00e0o c\u1ea3m bi\u1ebfn, r\u1ea5t kh\u00f3 v\u1ec7 sinh v\u00e0 g\u00e2y kh\u00f3 ch\u1ecbu khi ch\u1ee5p \u1ea3nh. N\u1ebfu camera b\u1ecb rung, nh\u00f2e h\u00ecnh ngay c\u1ea3 khi gi\u1eef ch\u1eafc tay, \u0111\u00e2y l\u00e0 l\u1ed7i ph\u1ea7n c\u1ee9ng nghi\u00eam tr\u1ecdng th\u01b0\u1eddng g\u1eb7p tr\u00ean c\u00e1c m\u00e1y b\u1ecb r\u01a1i r\u1edbt m\u1ea1nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_pin_va_hieu_nang\"><\/span>Ki\u1ec3m tra pin v\u00e0 hi\u1ec7u n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pin v\u00e0 hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, c\u1ea7n ki\u1ec3m tra k\u1ef9 \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng s\u1eadp ngu\u1ed3n \u0111\u1ed9t ng\u1ed9t.<\/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\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu.webp\" alt=\"C\u1ea7n ki\u1ec3m tra dung l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ee7a pin khi mua iPhone 14 c\u0169.\" class=\"wp-image-84751\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/75f5660a-can-kiem-tra-dung-luong-toi-da-cua-pin-khi-mua-iphone-14-cu-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">C\u1ea7n ki\u1ec3m tra dung l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ee7a pin khi mua iPhone 14 c\u0169.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dung l\u01b0\u1ee3ng pin (Battery Health)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e0o C\u00e0i \u0111\u1eb7t &gt; Pin &gt; T\u00ecnh tr\u1ea1ng pin &amp; S\u1ea1c. Ki\u1ec3m tra &#8220;Dung l\u01b0\u1ee3ng t\u1ed1i \u0111a&#8221;. V\u1edbi iPhone 14 c\u0169, m\u1ee9c pin tr\u00ean 90% l\u00e0 l\u00fd t\u01b0\u1edfng, t\u1eeb 80-90% l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. N\u1ebfu pin d\u01b0\u1edbi 80%, b\u1ea1n s\u1ebd c\u1ea7n thay pin s\u1edbm. L\u01b0u \u00fd n\u1ebfu m\u1ee5c n\u00e0y hi\u1ec7n &#8220;B\u1ea3o tr\u00ec&#8221; ho\u1eb7c kh\u00f4ng hi\u1ec7n ph\u1ea7n tr\u0103m m\u00e0 hi\u1ec7n d\u1ea5u g\u1ea1ch ngang, c\u00f3 th\u1ec3 pin \u0111\u00e3 b\u1ecb thay th\u1ebf b\u1eb1ng lo\u1ea1i kh\u00f4ng ch\u00ednh h\u00e3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test s\u1ea1c nhanh &#8211; s\u1ea1c kh\u00f4ng d\u00e2y &#8211; MagSafe (N\u1ebfu c\u00f3)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mang theo s\u1ea1c d\u1ef1 ph\u00f2ng ho\u1eb7c c\u00e1p s\u1ea1c \u0111\u1ec3 test th\u1eed. C\u1eafm s\u1ea1c v\u00e0 theo d\u00f5i xem ph\u1ea7n tr\u0103m pin c\u00f3 l\u00ean \u0111\u1ec1u kh\u00f4ng. Th\u1eed lay nh\u1eb9 \u0111\u1ea7u c\u00e1p \u0111\u1ec3 xem c\u1ed5ng s\u1ea1c c\u00f3 b\u1ecb l\u1ecfng kh\u00f4ng. N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n, h\u00e3y test c\u1ea3 t\u00ednh n\u0103ng s\u1ea1c kh\u00f4ng d\u00e2y MagSafe m\u1eb7t l\u01b0ng, v\u00ec \u0111\u00f4i khi m\u00e1y b\u1ecb thay v\u1ecf ho\u1eb7c v\u1ee1 k\u00ednh l\u01b0ng s\u1ebd l\u00e0m h\u1ecfng m\u1ea1ch s\u1ea1c kh\u00f4ng d\u00e2y n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra m\u00e1y c\u00f3 n\u00f3ng b\u1ea5t th\u01b0\u1eddng kh\u00f4ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y th\u1eed quay video \u0111\u1ed9 ph\u00e2n gi\u1ea3i 4K 60fps trong kho\u1ea3ng 5-10 ph\u00fat ho\u1eb7c ch\u01a1i m\u1ed9t v\u00e1n game n\u1eb7ng. S\u1edd v\u00e0o m\u1eb7t l\u01b0ng \u1edf khu v\u1ef1c g\u1ea7n camera (n\u01a1i \u0111\u1eb7t chip A15). M\u00e1y \u1ea5m l\u00ean l\u00e0 b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng n\u1ebfu m\u00e1y n\u00f3ng r\u00e1t tay ho\u1eb7c b\u00e1o qu\u00e1 nhi\u1ec7t v\u00e0 t\u1ef1 gi\u1ea3m \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh \u0111\u1ed9t ng\u1ed9t, mainboard c\u1ee7a m\u00e1y c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u1ea3n nhi\u1ec7t ho\u1eb7c b\u1ecb \u0103n ngu\u1ed3n (hao pin nhanh).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test hi\u1ec7u n\u0103ng c\u01a1 b\u1ea3n (m\u1edf app, ch\u01a1i game nh\u1eb9)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1edf h\u00e0ng lo\u1ea1t \u1ee9ng d\u1ee5ng th\u00f4ng th\u01b0\u1eddng nh\u01b0 Facebook, YouTube, Safari \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 m\u01b0\u1ee3t. Th\u1eed \u0111a nhi\u1ec7m b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i li\u00ean t\u1ee5c gi\u1eefa c\u00e1c app. iPhone 14 s\u1edf h\u1eefu chip A15 Bionic r\u1ea5t m\u1ea1nh, n\u00ean m\u1ecdi t\u00e1c v\u1ee5 ph\u1ea3i ph\u1ea3n h\u1ed3i t\u1ee9c th\u00ec. N\u1ebfu th\u1ea5y m\u00e1y gi\u1eadt lag, kh\u1ef1ng h\u00ecnh \u1edf c\u00e1c t\u00e1c v\u1ee5 c\u01a1 b\u1ea3n, c\u00f3 th\u1ec3 ph\u1ea7n c\u1ee9ng b\u00ean trong \u0111ang g\u1eb7p l\u1ed7i nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_phan_mem_iCloud_va_nguon_goc\"><\/span>Ki\u1ec3m tra ph\u1ea7n m\u1ec1m, iCloud v\u00e0 ngu\u1ed3n g\u1ed1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc x\u00e1c minh t\u00ednh ph\u00e1p l\u00fd v\u00e0 an to\u00e0n d\u1eef li\u1ec7u, gi\u00fap b\u1ea1n tr\u00e1nh mua ph\u1ea3i m\u00e1y tr\u1ed9m c\u1eafp ho\u1eb7c m\u00e1y b\u1ecb kh\u00f3a m\u1ea1ng.<\/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\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong.webp\" alt=\"Ki\u1ec3m tra ngu\u1ed3n g\u1ed1c c\u1ee7a m\u00e1y s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3m thi\u1ec3u r\u1ee7i ro mua m\u00e1y k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.\" class=\"wp-image-84747\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong.webp 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong-500x333.webp 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong-768x512.webp 768w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong-150x100.webp 150w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2026\/05\/0be9b477-kiem-tra-nguon-goc-cua-may-se-giup-ban-giam-thieu-rui-ro-mua-may-kem-chat-luong-450x300.webp 450w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ki\u1ec3m tra ngu\u1ed3n g\u1ed1c c\u1ee7a m\u00e1y s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3m thi\u1ec3u r\u1ee7i ro mua m\u00e1y k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra IMEI\/Serial<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1edf tr\u00ecnh g\u1ecdi \u0111i\u1ec7n v\u00e0 b\u1ea5m *#06# \u0111\u1ec3 l\u1ea5y s\u1ed1 IMEI. \u0110\u1ed1i chi\u1ebfu s\u1ed1 n\u00e0y v\u1edbi IMEI trong C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; Gi\u1edbi thi\u1ec7u. N\u1ebfu m\u00e1y c\u00f3 khay sim (b\u1ea3n VN\/A, ZA\/A&#8230;), h\u00e3y th\u00e1o khay sim ra xem s\u1ed1 IMEI kh\u1eafc tr\u00ean \u0111\u00f3 c\u00f3 tr\u00f9ng kh\u1edbp kh\u00f4ng. N\u1ebfu 3 s\u1ed1 n\u00e0y kh\u00f4ng tr\u00f9ng nhau, kh\u1ea3 n\u0103ng cao m\u00e1y \u0111\u00e3 b\u1ecb thay v\u1ecf ho\u1eb7c d\u1ef1ng l\u1ea1i t\u1eeb nhi\u1ec1u ngu\u1ed3n linh ki\u1ec7n kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra t\u00e0i kho\u1ea3n (iCloud\/Samsung\/Google)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00eau c\u1ea7u ng\u01b0\u1eddi b\u00e1n tho\u00e1t ho\u00e0n to\u00e0n iCloud hi\u1ec7n c\u00f3. Sau \u0111\u00f3, th\u1ef1c hi\u1ec7n b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t: V\u00e0o C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; Chuy\u1ec3n ho\u1eb7c \u0111\u1eb7t l\u1ea1i iPhone &gt; X\u00f3a t\u1ea5t c\u1ea3 n\u1ed9i dung v\u00e0 c\u00e0i \u0111\u1eb7t (Reset d\u00f2ng 2). N\u1ebfu m\u00e1y c\u00f3 iCloud \u1ea9n, sau khi reset m\u00e1y s\u1ebd y\u00eau c\u1ea7u nh\u1eadp t\u00e0i kho\u1ea3n c\u0169 m\u1edbi k\u00edch ho\u1ea1t \u0111\u01b0\u1ee3c. N\u1ebfu b\u1ecf qua b\u01b0\u1edbc n\u00e0y, chi\u1ebfc iPhone c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb kh\u00f3a b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra m\u00e1y Lock hay Qu\u1ed1c t\u1ebf<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eafp SIM c\u1ee7a b\u1ea5t k\u1ef3 nh\u00e0 m\u1ea1ng n\u00e0o t\u1ea1i Vi\u1ec7t Nam v\u00e0o m\u00e1y. N\u1ebfu m\u00e1y nh\u1eadn s\u00f3ng v\u00e0 nghe g\u1ecdi b\u00ecnh th\u01b0\u1eddng, h\u00e3y th\u1eed thay m\u1ed9t SIM nh\u00e0 m\u1ea1ng kh\u00e1c. V\u00e0o C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; Gi\u1edbi thi\u1ec7u, xem m\u1ee5c &#8220;Kh\u00f3a nh\u00e0 cung c\u1ea5p&#8221;. N\u1ebfu hi\u1ec7n &#8220;Kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n SIM&#8221; th\u00ec l\u00e0 m\u00e1y Qu\u1ed1c t\u1ebf. N\u1ebfu hi\u1ec7n t\u00ean nh\u00e0 m\u1ea1ng ho\u1eb7c &#8220;SIM b\u1ecb kh\u00f3a&#8221;, \u0111\u00f3 l\u00e0 m\u00e1y Lock d\u00f9ng sim gh\u00e9p ho\u1eb7c \u0111\u00e3 \u0111\u01b0\u1ee3c &#8220;c\u00e2u sim&#8221; th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Check l\u1ecbch s\u1eed linh ki\u1ec7n<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb iOS 15.2 tr\u1edf l\u00ean, Apple cung c\u1ea5p t\u00ednh n\u0103ng &#8220;L\u1ecbch s\u1eed linh ki\u1ec7n v\u00e0 d\u1ecbch v\u1ee5&#8221; trong ph\u1ea7n Gi\u1edbi thi\u1ec7u. N\u1ebfu m\u00e1y t\u1eebng thay th\u1ebf linh ki\u1ec7n ch\u00ednh h\u00e3ng, n\u00f3 s\u1ebd hi\u1ec7n &#8220;Linh ki\u1ec7n ch\u00ednh h\u00e3ng Apple&#8221;. N\u1ebfu hi\u1ec7n &#8220;Linh ki\u1ec7n kh\u00f4ng x\u00e1c \u0111\u1ecbnh&#8221; (Unknown Part), ngh\u0129a l\u00e0 linh ki\u1ec7n \u0111\u00f3 l\u00e0 h\u00e0ng l\u00f4, h\u00e0ng b\u00f3c m\u00e1y kh\u00e1c ho\u1eb7c thay th\u1ebf kh\u00f4ng \u0111\u00fang quy tr\u00ecnh. \u0110\u00e2y l\u00e0 <strong>c\u00e1ch ki\u1ec3m tra iPhone 14 c\u0169<\/strong> c\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c \u0111\u1ec3 bi\u1ebft m\u00e1y c\u00f2n zin hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kiem_tra_phu_kien_va_buoc_xac_nhan_cuoi_cung\"><\/span><strong>Ki\u1ec3m tra ph\u1ee5 ki\u1ec7n v\u00e0 b\u01b0\u1edbc x\u00e1c nh\u1eadn cu\u1ed1i c\u00f9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi giao ti\u1ec1n, \u0111\u1eebng qu\u00ean ki\u1ec3m tra nh\u1eefng th\u1ee9 \u0111i k\u00e8m v\u00e0 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra c\u00e1p s\u1ea1c \u0111i k\u00e8m<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ng\u01b0\u1eddi b\u00e1n t\u1eb7ng k\u00e8m c\u00e1p s\u1ea1c, h\u00e3y ki\u1ec3m tra xem c\u00f3 ph\u1ea3i h\u00e0ng zin kh\u00f4ng. C\u00e1p zin c\u00e1c ch\u00e2n ti\u1ebfp x\u00fac v\u00e0ng \u00f3ng, \u0111\u1ec1u, d\u00e2y m\u1ec1m v\u00e0 c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i t\u1ed1t. C\u1eafm v\u00e0o m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c b\u00e1o l\u1ed7i &#8220;Ph\u1ee5 ki\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3&#8221;. S\u1eed d\u1ee5ng c\u00e1p s\u1ea1c d\u1ecfm l\u00e2u d\u00e0i s\u1ebd g\u00e2y h\u1ea1i cho pin v\u00e0 chip ngu\u1ed3n c\u1ee7a m\u00e1y (IC U2).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>X\u00e1c nh\u1eadn t\u1ed5ng th\u1ec3 tr\u01b0\u1edbc khi thanh to\u00e1n<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eafp SIM ch\u00ednh c\u1ee7a b\u1ea1n v\u00e0o, th\u1ef1c hi\u1ec7n m\u1ed9t cu\u1ed9c g\u1ecdi \u0111i v\u00e0 nh\u1eadn m\u1ed9t cu\u1ed9c g\u1ecdi \u0111\u1ebfn. Ki\u1ec3m tra loa trong nghe c\u00f3 to r\u00f5 kh\u00f4ng, mic thu \u00e2m b\u00ean kia nghe c\u00f3 b\u1ecb r\u00e8 hay nh\u1ecf kh\u00f4ng. L\u1ea5y tay che ph\u1ea7n c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn (g\u1ea7n loa tho\u1ea1i) khi \u0111ang g\u1ecdi xem m\u00e0n h\u00ecnh c\u00f3 t\u1ef1 t\u1eaft kh\u00f4ng. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc ch\u1ed1t h\u1ea1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng nghe g\u1ecdi &#8211; ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a \u0111i\u1ec7n tho\u1ea1i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_ma_ung_dung_ho_tro_test_iPhone_14\"><\/span><strong>M\u1ed9t s\u1ed1 m\u00e3 &amp; \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 test iPhone 14<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ki\u1ec3m tra th\u1ee7 c\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 kh\u00e1ch quan h\u01a1n v\u1ec1 t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00e3 test nhanh tr\u00ean m\u00e1y<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i m\u00e3 *#06# \u0111\u1ec3 check IMEI, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng m\u1ed9t s\u1ed1 m\u00e3 l\u1ec7nh nh\u00e0 m\u1ea1ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c chuy\u1ec3n h\u01b0\u1edbng cu\u1ed9c g\u1ecdi. Tuy nhi\u00ean, iPhone kh\u00f4ng c\u00f3 menu test \u1ea9n (Service Menu) chi ti\u1ebft nh\u01b0 Samsung (d\u1ea1ng *#0*#). V\u00ec v\u1eady, vi\u1ec7c ki\u1ec3m tra iPhone ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o kinh nghi\u1ec7m quan s\u00e1t v\u00e0 s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng c\u00f3 s\u1eb5n trong ph\u1ea7n C\u00e0i \u0111\u1eb7t nh\u01b0 \u0111\u00e3 h\u01b0\u1edbng d\u1eabn \u1edf tr\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u1ee8ng d\u1ee5ng n\u00ean d\u00f9ng khi test m\u00e1y c\u0169<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n n\u00ean t\u1ea3i \u1ee9ng d\u1ee5ng &#8220;TestM&#8221; ho\u1eb7c &#8220;Phone Diagnostics&#8221; tr\u00ean App Store. C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y cung c\u1ea5p quy tr\u00ecnh test t\u1ef1 \u0111\u1ed9ng cho m\u00e0n h\u00ecnh, c\u1ea3m bi\u1ebfn, loa, mic, wifi&#8230; r\u1ea5t ti\u1ec7n l\u1ee3i. N\u1ebfu c\u00f3 th\u1ec3 mang theo laptop, h\u00e3y c\u00e0i ph\u1ea7n m\u1ec1m &#8220;3uTools&#8221;. K\u1ebft n\u1ed1i iPhone v\u1edbi m\u00e1y t\u00ednh, 3uTools s\u1ebd hi\u1ec3n th\u1ecb b\u1ea3ng b\u00e1o c\u00e1o chi ti\u1ebft xem linh ki\u1ec7n n\u00e0o \u0111\u00e3 b\u1ecb thay th\u1ebf, s\u1ed1 l\u1ea7n s\u1ea1c pin v\u00e0 \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1 t\u1ed5ng quan c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u01b0u \u00fd khi test t\u1ea1i c\u1eeda h\u00e0ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi test m\u00e1y t\u1ea1i c\u1eeda h\u00e0ng, h\u00e3y y\u00eau c\u1ea7u nh\u00e2n vi\u00ean cho ph\u00e9p b\u1ea1n t\u1ef1 tay th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c ki\u1ec3m tra, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c Reset d\u00f2ng 2. H\u00e3y h\u1ecfi r\u00f5 v\u1ec1 ch\u00ednh s\u00e1ch bao test (th\u01b0\u1eddng l\u00e0 7-15 ng\u00e0y) v\u00e0 ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh ngu\u1ed3n, m\u00e0n h\u00ecnh. \u0110\u1eebng ng\u1ea1i h\u1ecfi th\u1eb3ng v\u1ec1 t\u00ecnh tr\u1ea1ng m\u00e1y (c\u00f3 ph\u1ea3i h\u00e0ng 99%, h\u00e0ng ph\u1ea9y, hay h\u00e0ng thay v\u1ecf) \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu v\u1edbi k\u1ebft qu\u1ea3 ki\u1ec3m tra c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kinh_nghiem_mua_iPhone_14_cu_an_toan\"><\/span><strong>Kinh nghi\u1ec7m mua iPhone 14 c\u0169 an to\u00e0n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mua m\u00e1y c\u0169 l\u00e0 m\u1ed9t ngh\u1ec7 thu\u1eadt c\u00e2n b\u1eb1ng gi\u1eefa gi\u00e1 c\u1ea3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng kinh nghi\u1ec7m x\u01b0\u01a1ng m\u00e1u gi\u00fap b\u1ea1n tr\u00e1nh b\u1ecb l\u1eeba \u0111\u1ea3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_thuong_luong_gia\"><\/span><strong>C\u00e1ch th\u01b0\u01a1ng l\u01b0\u1ee3ng gi\u00e1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y s\u1eed d\u1ee5ng c\u00e1c l\u1ed7i nh\u1ecf v\u1ec1 ngo\u1ea1i h\u00ecnh (x\u01b0\u1edbc d\u0103m, c\u1ea5n nh\u1eb9) ho\u1eb7c t\u00ecnh tr\u1ea1ng pin (d\u01b0\u1edbi 90%) \u0111\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng gi\u1ea3m gi\u00e1. Tham kh\u1ea3o tr\u01b0\u1edbc [Gi\u00e1 iPhone 14] tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111\u1ec3 c\u00f3 m\u1ee9c gi\u00e1 c\u01a1 s\u1edf. N\u1ebfu ng\u01b0\u1eddi b\u00e1n b\u00e1o gi\u00e1 qu\u00e1 th\u1ea5p so v\u1edbi m\u1eb7t b\u1eb1ng chung, h\u00e3y c\u1ea9n tr\u1ecdng v\u00ec &#8220;ti\u1ec1n n\u00e0o c\u1ee7a n\u1ea5y&#8221;, m\u00e1y r\u1ebb th\u01b0\u1eddng \u0111i k\u00e8m l\u1ed7i \u1ea9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_loi_nen_tranh_mua\"><\/span><strong>Nh\u1eefng l\u1ed7i n\u00ean tr\u00e1nh mua<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng mua m\u00e1y m\u1ea5t Face ID, m\u00e1y d\u00ednh iCloud \u1ea9n, m\u00e1y m\u00e0n h\u00ecnh l\u00f4 (m\u1ea5t True Tone, hi\u1ec3n th\u1ecb x\u1ea5u) ho\u1eb7c m\u00e1y c\u00f3 mainboard \u0111\u00e3 qua s\u1eeda ch\u1eefa (n\u00f3ng m\u00e1y, reset li\u00ean t\u1ee5c). Nh\u1eefng l\u1ed7i n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m v\u00e0 gi\u00e1 tr\u1ecb b\u00e1n l\u1ea1i sau n\u00e0y g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng. M\u00e1y Lock gi\u1ea3 danh Qu\u1ed1c t\u1ebf c\u0169ng l\u00e0 lo\u1ea1i n\u00ean tr\u00e1nh xa n\u1ebfu b\u1ea1n mu\u1ed1n s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c trang b\u1ecb ki\u1ebfn th\u1ee9c v\u1ec1 <strong>c\u00e1ch test iPhone 14 c\u0169<\/strong> l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n tr\u1edf th\u00e0nh ng\u01b0\u1eddi ti\u00eau d\u00f9ng th\u00f4ng th\u00e1i. H\u00e3y ki\u00ean nh\u1eabn ki\u1ec3m tra t\u1eebng b\u01b0\u1edbc theo checklist trong b\u00e0i vi\u1ebft, t\u1eeb ngo\u1ea1i h\u00ecnh, m\u00e0n h\u00ecnh cho \u0111\u1ebfn iCloud. \u0110\u1eebng ham r\u1ebb m\u00e0 b\u1ecf qua c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o r\u1ee7i ro. T\u1ed1t nh\u1ea5t, h\u00e3y ch\u1ecdn mua t\u1ea1i c\u00e1c h\u1ec7 th\u1ed1ng uy t\u00edn ho\u1eb7c t\u1eeb ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n c\u00f3 l\u1ecbch s\u1eed giao d\u1ecbch r\u00f5 r\u00e0ng, c\u00f3 cam k\u1ebft b\u1ea3o h\u00e0nh minh b\u1ea1ch. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t chi\u1ebfc iPhone 14 ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi gi\u00e1 t\u1ed1t, h\u00e3y truy c\u1eadp ngay Ch\u1ee3 T\u1ed1t \u0111\u1ec3 tham kh\u1ea3o h\u00e0ng ng\u00e0n tin \u0111\u0103ng \u0111\u01b0\u1ee3c ki\u1ec3m duy\u1ec7t m\u1ed7i ng\u00e0y.<\/p>\n\n\n<div class=\"list_onchotot_wrapper\">\n            <div class=\"list_onchotot_item\">\n                <div class=\"row\">\n                    <div class=\"col-md-3\">\n                        <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-thanh-pho-thu-duc-tp-ho-chi-minh\/121793658.htm\" target=\"_blank\">\n                            <img decoding=\"async\" src=\"https:\/\/cdn.chotot.com\/og9NTNfcFJ2CnNsClBy2-f1E8SZitEjhFYchH8BFNiw\/preset:listing\/plain\/1f3571e8ed00ef14842aee83ca9b2fbe-2939706531573327429.jpg\" alt=\"14 128GB QT NX  Kh\u00f4ng c\u1ea7n Tr\u1ea3 Tr\u01b0\u1edbc\">\n                        <\/a>\n                    <\/div>\n                    <div class=\"col-md-9\">\n                        <div class=\"ads_title\">\n                         <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-thanh-pho-thu-duc-tp-ho-chi-minh\/121793658.htm\" target=\"_blank\">\n                                14 128GB QT NX  Kh\u00f4ng c\u1ea7n Tr\u1ea3 Tr\u01b0\u1edbc                         <\/a>\n                        <\/div>\n                        <!--  -->\n                        <div class=\"cl-gray ad_date\"><\/div>\n                        <div class=\"price\">8.500.000 \u0111<\/div>\n                        <div class=\"more_info cl-gray\">23 gi\u1edd tr\u01b0\u1edbc Th\u00e0nh ph\u1ed1 Th\u1ee7 \u0110\u1ee9c<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n                <div class=\"list_onchotot_item\">\n                <div class=\"row\">\n                    <div class=\"col-md-3\">\n                        <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-binh-thanh-tp-ho-chi-minh\/133180712.htm\" target=\"_blank\">\n                            <img decoding=\"async\" src=\"https:\/\/cdn.chotot.com\/I8SzUt70MCADHqCA5T_xP-_0KRGJu-WRwqAVEo8oz_Y\/preset:listing\/plain\/b67e9ac8126dc2a7c4521de5a445b975-2990311935364040783.jpg\" alt=\"iPhone 14 128GB Xanh Blue Pin 96% Ch\u00ednh H\u00e3ng VN\">\n                        <\/a>\n                    <\/div>\n                    <div class=\"col-md-9\">\n                        <div class=\"ads_title\">\n                         <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-binh-thanh-tp-ho-chi-minh\/133180712.htm\" target=\"_blank\">\n                                iPhone 14 128GB Xanh Blue Pin 96% Ch\u00ednh H\u00e3ng VN                         <\/a>\n                        <\/div>\n                        <!--  -->\n                        <div class=\"cl-gray ad_date\"><\/div>\n                        <div class=\"price\">10.990.000 \u0111<\/div>\n                        <div class=\"more_info cl-gray\">h\u00f4m qua Qu\u1eadn B\u00ecnh Th\u1ea1nh<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n                <div class=\"list_onchotot_item\">\n                <div class=\"row\">\n                    <div class=\"col-md-3\">\n                        <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-thanh-xuan-ha-noi\/128761779.htm\" target=\"_blank\">\n                            <img decoding=\"async\" src=\"https:\/\/cdn.chotot.com\/qgPtk9Gl56-tu7PCTjJAGGlt1XL3D64Mj5hKd2VzX8Y\/preset:listing\/plain\/7d69fcd4672d6a18374cfb0e1ba6683a-2955866133509285208.jpg\" alt=\"iP 14 QTE ZIN \u0110\u1eb8P\ud83d\udd25GI\u00c1 CHU\u1ea8N-THU C\u0168-G\u00d3P L\u00daA\">\n                        <\/a>\n                    <\/div>\n                    <div class=\"col-md-9\">\n                        <div class=\"ads_title\">\n                         <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-thanh-xuan-ha-noi\/128761779.htm\" target=\"_blank\">\n                                iP 14 QTE ZIN \u0110\u1eb8P\ud83d\udd25GI\u00c1 CHU\u1ea8N-THU C\u0168-G\u00d3P L\u00daA                         <\/a>\n                        <\/div>\n                        <!--  -->\n                        <div class=\"cl-gray ad_date\"><\/div>\n                        <div class=\"price\">7.990.000 \u0111<\/div>\n                        <div class=\"more_info cl-gray\">2 ng\u00e0y tr\u01b0\u1edbc Qu\u1eadn Thanh Xu\u00e2n<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n                <div class=\"list_onchotot_item\">\n                <div class=\"row\">\n                    <div class=\"col-md-3\">\n                        <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-10-tp-ho-chi-minh\/132141952.htm\" target=\"_blank\">\n                            <img decoding=\"async\" src=\"https:\/\/cdn.chotot.com\/IHcv75jJmMUs-9HrTnev3V8WzhVsA6QPS9DLPCgCKuY\/preset:listing\/plain\/7f8f5065b175d1ad045f02aa443194fb-2982475902544983680.jpg\" alt=\"iPhone 14 256GB Tr\u1eafng FULLBOX 99% BH APPLE 08\/2025\">\n                        <\/a>\n                    <\/div>\n                    <div class=\"col-md-9\">\n                        <div class=\"ads_title\">\n                         <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-10-tp-ho-chi-minh\/132141952.htm\" target=\"_blank\">\n                                iPhone 14 256GB Tr\u1eafng FULLBOX 99% BH APPLE 08\/2025                         <\/a>\n                        <\/div>\n                        <!--  -->\n                        <div class=\"cl-gray ad_date\"><\/div>\n                        <div class=\"price\">8.250.000 \u0111<\/div>\n                        <div class=\"more_info cl-gray\">2 ng\u00e0y tr\u01b0\u1edbc Qu\u1eadn 10<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n                <div class=\"list_onchotot_item\">\n                <div class=\"row\">\n                    <div class=\"col-md-3\">\n                        <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-cai-rang-can-tho\/133277218.htm\" target=\"_blank\">\n                            <img decoding=\"async\" src=\"https:\/\/cdn.chotot.com\/5dyzWqXvZ0oOiFi7uHTvuP8hxQkve4w3uUXwyljIWdk\/preset:listing\/plain\/12204873647e282986b461a29a45ede1-2991054762765400186.jpg\" alt=\"iPhone 14 128GB Pin 100% 2 Sim V\u1eadt L\u00fd Nhanh M\u01b0\u1ee3t\">\n                        <\/a>\n                    <\/div>\n                    <div class=\"col-md-9\">\n                        <div class=\"ads_title\">\n                         <a data-gtm-event=\"blog_vertical\" data-ga-action=\"click_entry_point\" data-ga-label=\"ads\" href=\"\/mua-ban-dien-thoai-quan-cai-rang-can-tho\/133277218.htm\" target=\"_blank\">\n                                iPhone 14 128GB Pin 100% 2 Sim V\u1eadt L\u00fd Nhanh M\u01b0\u1ee3t                         <\/a>\n                        <\/div>\n                        <!--  -->\n                        <div class=\"cl-gray ad_date\"><\/div>\n                        <div class=\"price\">7.690.000 \u0111<\/div>\n                        <div class=\"more_info cl-gray\">3 ng\u00e0y tr\u01b0\u1edbc Qu\u1eadn C\u00e1i R\u0103ng<\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <div class=\"chotot_view_more\">\n        <a href=\"\/\" target=\"_blank\">\n        Xem nhi\u1ec1u h\u01a1n t\u1ea1i Ch\u1ee3 T\u1ed1t        <\/a>\n    <\/div>\n    \n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u1ecb tr\u01b0\u1eddng iPhone c\u0169 lu\u00f4n ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro v\u1edbi c\u00e1c m\u00e1nh kh\u00f3e tinh vi nh\u01b0 &#8220;k\u00edch pin&#8221;, thay v\u1ecf, \u00e9p k\u00ednh hay \u1ea9n iCloud. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p quy tr\u00ecnh ki\u1ec3m tra to\u00e0n di\u1ec7n, gi\u00fap b\u1ea1n t\u1ef1 tin \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb nh\u01b0 m\u1ed9t chuy\u00ean gia k\u1ef9 thu\u1eadt th\u1ef1c<\/p>\n","protected":false},"author":487,"featured_media":84752,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"c\u00e1ch test iPhone 14 c\u0169","_yoast_wpseo_title":"C\u00e1ch test iPhone 14 c\u0169 chu\u1ea9n th\u1ee3 kh\u00f4ng lo h\u00e0ng d\u1ef1ng","_yoast_wpseo_metadesc":"B\u1ea1n \u0111ang t\u00ecm c\u00e1ch test iPhone 14 c\u0169 hi\u1ec7u qu\u1ea3? \u0110\u1eebng b\u1ecf qua checklist chi ti\u1ebft v\u1ec1 m\u00e0n h\u00ecnh, pin, camera v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ec3 tr\u00e1nh mua ph\u1ea3i h\u00e0ng d\u1ef1ng. \u0110\u1ecdc ngay!","_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[949,1076],"tags":[1451],"class_list":["post-84707","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dien-tu","category-dien-thoai","tag-iphone-14"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch test iPhone 14 c\u0169 chu\u1ea9n th\u1ee3 kh\u00f4ng lo h\u00e0ng d\u1ef1ng<\/title>\n<meta name=\"description\" content=\"B\u1ea1n \u0111ang t\u00ecm c\u00e1ch test iPhone 14 c\u0169 hi\u1ec7u qu\u1ea3? \u0110\u1eebng b\u1ecf qua checklist chi ti\u1ebft v\u1ec1 m\u00e0n h\u00ecnh, pin, camera v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ec3 tr\u00e1nh mua ph\u1ea3i h\u00e0ng d\u1ef1ng. \u0110\u1ecdc ngay!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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