{"id":3653,"date":"2026-10-23T17:29:36","date_gmt":"2026-10-23T10:29:36","guid":{"rendered":"https:\/\/ninhcongthanh.xyz\/?p=3653"},"modified":"2026-10-23T20:05:27","modified_gmt":"2026-10-23T13:05:27","slug":"nhung-kinh-nghiem-can-co-khi-mua-dien-thoai-cu-de-tranh-bi-lua-ga","status":"publish","type":"post","link":"https:\/\/ninhcongthanh.xyz\/?p=3653","title":{"rendered":"Nh\u1eefng kinh nghi\u1ec7m c\u1ea7n c\u00f3 khi mua \u0111i\u1ec7n tho\u1ea1i c\u0169 \u0111\u1ec3 tr\u00e1nh b\u1ecb “l\u00f9a g\u00e0”"},"content":{"rendered":"\n

Ch\u1ecdn th\u1eddi \u0111i\u1ec3m mua th\u00edch h\u1ee3p<\/strong><\/h2>\n\n\n\n

Th\u1eddi \u0111i\u1ec3m v\u00e0ng \u0111\u1ec3 mua nh\u1eefng model c\u0169 h\u01a1n v\u1edbi gi\u00e1 \u01b0u \u0111\u00e3i l\u00e0 kho\u1ea3ng m\u1ed9t v\u00e0i th\u00e1ng sau khi s\u1ea3n ph\u1ea9m m\u1edbi \u0111\u01b0\u1ee3c b\u00e0y b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng.V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh nh\u01b0 khi iPhone<\/a> 13 l\u00ean k\u1ec7, th\u1ecb tr\u01b0\u1eddng mua b\u00e1n c\u00e1c d\u00f2ng iPhone 12<\/a> s\u1ebd b\u1eaft \u0111\u1ea7u s\u00f4i \u0111\u1ed9ng h\u01a1n h\u1eb3n. B\u1edfi v\u00ec l\u00fac n\u00e0y, d\u01b0\u1edbi s\u1ee9c \u00e9p model m\u1edbi c\u1ee7a iPhone 13<\/a>, b\u1ea1n c\u00f3 th\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc iPhone 12 c\u0169 gi\u00e1 t\u1ed1t v\u1edbi c\u1ea5u h\u00ecnh m\u00e1y \u1ed5n \u0111\u1ec3 s\u1eed d\u1ee5ng.Tuy nhi\u00ean, v\u00f2ng \u0111\u1eddi c\u1ee7a nh\u1eefng chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn n\u00ean khi ch\u1ecdn mua \u0111i\u1ec7n tho\u1ea1i c\u0169, b\u1ea1n n\u00ean \u01b0u ti\u00ean nh\u1eefng m\u1eabu m\u00e1y g\u1ea7n v\u1edbi th\u1ebf h\u1ec7 hi\u1ec7n t\u1ea1i nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

\"Kinh<\/figure>\n\n\n\n

So s\u00e1nh gi\u00e1 \u1edf nhi\u1ec1u n\u01a1i<\/strong><\/h2>\n\n\n\n

Gi\u00e1 b\u00e1n c\u1ee7a \u0111i\u1ec7n tho\u1ea1i c\u0169 s\u1ebd kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng m\u00e1y:V\u00ed d\u1ee5 nh\u01b0 m\u00e1y c\u0169 99%: \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n t\u1ed1t nh\u1ea5t c\u1ee7a \u0111i\u1ec7n tho\u1ea1i c\u0169, m\u00e1y \u0111\u1eb9p nh\u01b0 m\u1edbi, c\u00f2n nguy\u00ean zin ch\u01b0a qua s\u1eeda ch\u1eefa tuy nhi\u00ean ch\u00fang c\u0169ng c\u00f3 gi\u00e1 cao nh\u1ea5t trong c\u00e1c lo\u1ea1i m\u00e1y c\u0169 hi\u1ec7n nay.M\u00e1y c\u0169 97 – 98%: T\u1ea5t c\u1ea3 c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a m\u00e0n h\u00ecnh<\/a>, pin, camera \u0111\u1ec1u \u1ed5n nh\u01b0ng ‘ngo\u1ea1i h\u00ecnh’ c\u1ee7a m\u00e1y s\u1ebd c\u00f3 m\u1ed9t v\u00e0i v\u1ebft tr\u1ea7y x\u01b0\u1edbc nh\u1ecf. V\u1edbi d\u00f2ng m\u00e1y c\u0169 97% th\u00ec gi\u00e1 h\u1eddi h\u01a1n so v\u1edbi b\u1ea3n 99% v\u00e0 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m kho\u1ea3ng 200k – 500k.C\u00f2n v\u1edbi m\u00e1y c\u0169 qua s\u1eeda ch\u1eefa: C\u00f3 gi\u00e1 b\u00e1n th\u1ea5p nh\u1ea5t trong c\u00e1c d\u00f2ng m\u00e1y c\u0169 nh\u01b0ng c\u00f3 r\u1ea5t nhi\u1ec1u r\u1ee7i ro khi ch\u1ecdn mua n\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft ki\u1ec3m tra.V\u00ec th\u1ebf, b\u1ea1n n\u00ean tham kh\u1ea3o gi\u00e1 b\u00e1n c\u1ee7a nhi\u1ec1u c\u1eeda h\u00e0ng v\u00e0 c\u00f3 th\u1ec3 h\u1ecfi v\u1ec1 t\u00ecnh tr\u1ea1ng m\u00e1y \u0111\u1ec3 so s\u00e1nh.<\/p>\n\n\n\n

Ki\u1ec3m tra ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh<\/strong><\/h2>\n\n\n\n

Khi mua s\u1ea3n ph\u1ea9m m\u1edbi th\u00ec ch\u00ednh s\u00e1ch b\u1ea3o h\u00e0nh, \u0111\u1ed5i tr\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c quan t\u00e2m h\u00e0ng \u0111\u1ea7u, v\u00ec th\u1ebf, khi mua m\u1ed9t chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i c\u0169, v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c n\u00e2ng cao h\u01a1n b\u1edfi n\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 l\u1eddi cam k\u1ebft c\u1ee7a c\u1eeda h\u00e0ng kinh doanh, gi\u00fap b\u1ea1n y\u00ean t\u00e2m h\u01a1n khi s\u1eed d\u1ee5ng.Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, m\u1ed9t s\u1ed1 c\u1eeda h\u00e0ng \u0111\u00e3 ph\u00e1 gi\u00e1 b\u00e1n m\u1eb7t b\u1eb1ng chung c\u1ee7a th\u1ecb tr\u01b0\u1eddng nh\u01b0ng \u0111\u1ed3ng th\u1eddi s\u1ebd kh\u00f4ng cung c\u1ea5p g\u00f3i b\u1ea3o h\u00e0nh, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i m\u1ea5t th\u00eam chi ph\u00ed s\u1eeda ch\u1eefa n\u1ebfu \u0111i\u1ec7n tho\u1ea1i ph\u00e1t sinh l\u1ed7i ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n

\"Kinh<\/figure>\n\n\n\n

Ki\u1ec3m tra \u0111\u1ed9 uy t\u00edn c\u1ee7a c\u1eeda h\u00e0ng b\u00e1n \u0111i\u1ec7n tho\u1ea1i<\/strong><\/h2>\n\n\n\n

\u0110\u1ec3 ki\u1ec3m tra uy t\u00edn c\u1ee7a m\u1ed9t \u0111\u1ecba ch\u1ec9 b\u00e1n \u0111i\u1ec7n tho\u1ea1i th\u00ec Sforum khuy\u00ean b\u1ea1n t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ebfn tr\u1ef1c ti\u1ebfp c\u1eeda h\u00e0ng \u0111\u1ec3 ch\u1ecdn mua. B\u1ea1n c\u0169ng n\u00ean quan t\u00e2m \u0111\u1ebfn m\u1ed9t s\u1ed1 th\u00f4ng tin nh\u01b0: \u0110\u1ecba ch\u1ec9 c\u1eeda h\u00e0ng c\u00f3 th\u1eadt hay kh\u00f4ng, c\u1eeda h\u00e0ng c\u00f3 uy t\u00edn kh\u00f4ng, \u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean c\u00f3 l\u00e0m vi\u1ec7c chuy\u00ean nghi\u1ec7p hay kh\u00f4ng, v.v…C\u00f2n trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7t mua Online, b\u1ea1n n\u00ean l\u01b0u \u00fd m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1: Website th\u01b0\u01a1ng m\u1ea1i c\u00f3 ch\u00ednh ch\u1ee7 kh\u00f4ng, th\u00f4ng tin li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft tr\u00ean website c\u00f3 gi\u1ea3 m\u1ea1o hay kh\u00f4ng, ch\u00ednh s\u00e1ch v\u1eadn chuy\u1ec3n v\u00e0 thanh to\u00e1n khi giao h\u00e0ng nh\u01b0 th\u1ebf n\u00e0o, v.v….<\/p>\n\n\n\n

\"Kinh<\/figure>\n\n\n\n

Ki\u1ec3m tra s\u1ed1 IMEI<\/strong><\/h2>\n\n\n\n

\u0110\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc ki\u1ec3m tra nh\u00ecn c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng. V\u1edbi c\u00e1ch ki\u1ec3m tra n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c ngu\u1ed3n g\u1ed1c v\u00e0 xu\u1ea5t x\u1ee9 c\u1ee7a chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i m\u00ecnh d\u1ef1 t\u00ednh mua \u1edf \u0111\u00e2u, c\u00f3 \u0111\u00fang l\u00e0 h\u00e0ng ch\u00ednh h\u00e3ng hay kh\u00f4ng. \u0110\u1ec3 ki\u1ec3m tra, b\u1ea1n nh\u1ea5n ph\u00edm *#06# tr\u00ean m\u00e0n h\u00ecnh g\u1ecdi c\u1ee7a \u0111i\u1ec7n tho\u1ea1i. Ti\u1ebfp \u0111\u00f3, so s\u00e1nh d\u00e3y s\u1ed1 IMEI xu\u1ea5t hi\u1ec7n tr\u00ean m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i v\u1edbi s\u1ed1 IMEI sau l\u01b0ng m\u00e1y, h\u1ed9p m\u00e1y, th\u1ebb b\u1ea3o h\u00e0nh c\u00f3 tr\u00f9ng kh\u1edbp hay kh\u00f4ng.<\/p>\n\n\n\n

\"Kinh<\/figure>\n\n\n\n

Ki\u1ec3m tra m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/strong><\/h2>\n\n\n\n

C\u00e1ch test m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1edf \u1ee9ng d\u1ee5ng<\/a> nghe g\u1ecdi, b\u1ea5m h\u1ebft c\u00e1c s\u1ed1 tr\u00ean m\u00e0n h\u00ecnh n\u00e0y v\u00e0 xem c\u00f3 v\u1ecb tr\u00ed ph\u00edm n\u00e0o b\u1ecb li\u1ec7t kh\u00f4ng.Ti\u1ebfp theo, b\u1ea1n c\u00f3 th\u1ec3 xoay ngang m\u00e0n h\u00ecnh, v\u00e0o \u1ee9ng d\u1ee5ng so\u1ea1n tin nh\u1eafn v\u00e0 so\u1ea1n tin nh\u1eafn m\u1edbi nh\u01b0ng ph\u1ea3i b\u1ea5m h\u1ebft c\u00e1c k\u00fd t\u1ef1 tr\u00ean b\u00e0n ph\u00edm<\/a> \u1ea3o. N\u1ebfu kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec v\u1edbi hai thao t\u00e1c n\u00e0y th\u00ec b\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m v\u1edbi c\u1ea3m \u1ee9ng c\u1ee7a m\u00e0n h\u00ecnh.<\/p>\n\n\n\n

Ki\u1ec3m tra kh\u1ea3 n\u0103ng nghe g\u1ecdi<\/strong><\/h2>\n\n\n\n

Ti\u1ebfp \u0111\u1ebfn l\u00e0 ki\u1ec3m tra kh\u1ea3 n\u0103ng nghe g\u1ecdi, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed g\u1ecdi \u0111i\u1ec7n trong m\u1ed9t v\u00e0i ph\u00fat v\u1edbi SIM m\u1ed9t trong ba nh\u00e0 m\u1ea1ng l\u1edbn \u1edf Vi\u1ec7t Nam. C\u00e1ch l\u00e0m n\u00e0y v\u1eeba c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng b\u1eaft s\u00f3ng c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 v\u1eeba ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a loa trong c\u1ee7a m\u00e1y.<\/p>\n\n\n\n

\"Kinh<\/figure>\n\n\n\n

T\u1ea1m k\u1ebft:<\/strong><\/h2>\n\n\n\n

Sforum v\u1eeba m\u00e1ch b\u1ea1n nh\u1eefng kinh nghi\u1ec7m c\u1ea7n c\u00f3 khi mua \u0111i\u1ec7n tho\u1ea1i c\u0169. Ch\u00fac c\u00e1c b\u1ea1n t\u1eadu \u0111\u01b0\u1ee3c chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i \u01b0ng \u00fd nh\u00e9!<\/p>\n","protected":false},"excerpt":{"rendered":"

Ch\u1ecdn th\u1eddi \u0111i\u1ec3m mua th\u00edch h\u1ee3p Th\u1eddi \u0111i\u1ec3m v\u00e0ng \u0111\u1ec3 mua nh\u1eefng model c\u0169 h\u01a1n v\u1edbi gi\u00e1 \u01b0u \u0111\u00e3i l\u00e0 kho\u1ea3ng m\u1ed9t v\u00e0i th\u00e1ng sau khi s\u1ea3n ph\u1ea9m m\u1edbi \u0111\u01b0\u1ee3c b\u00e0y b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng.V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh nh\u01b0 khi iPhone 13 l\u00ean k\u1ec7, th\u1ecb tr\u01b0\u1eddng mua b\u00e1n c\u00e1c d\u00f2ng iPhone 12 s\u1ebd b\u1eaft \u0111\u1ea7u […]\n","protected":false},"author":1,"featured_media":3691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-3653","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat"],"_links":{"self":[{"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/posts\/3653","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3653"}],"version-history":[{"count":1,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/posts\/3653\/revisions"}],"predecessor-version":[{"id":3654,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/posts\/3653\/revisions\/3654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=\/wp\/v2\/media\/3691"}],"wp:attachment":[{"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ninhcongthanh.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}