{"id":709,"date":"2019-04-10T12:20:29","date_gmt":"2019-04-10T12:20:29","guid":{"rendered":"https:\/\/pageloot.com\/?p=709"},"modified":"2026-06-10T08:17:15","modified_gmt":"2026-06-10T08:17:15","slug":"scan-qr-code-android","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-code-android\/","title":{"rendered":"C\u00e1ch qu\u00e9t m\u00e3 QR tr\u00ean Android"},"content":{"rendered":"<p class=\"wp-block-paragraph\">B\u1ea1n kh\u00f4ng ch\u1eafc t\u00ednh n\u0103ng qu\u00e9t m\u00e3 QR th\u1ef1c s\u1ef1 n\u1eb1m \u1edf \u0111\u00e2u tr\u00ean \u0111i\u1ec7n tho\u1ea1i Android c\u1ee7a m\u00ecnh? Android cung c\u1ea5p cho b\u1ea1n m\u1ed9t s\u1ed1 c\u00e1ch t\u00edch h\u1ee3p s\u1eb5n \u0111\u1ec3 qu\u00e9t m\u00e3 QR v\u00e0 h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd ch\u1ec9 cho b\u1ea1n t\u1eebng c\u00e1ch \u2013 bao g\u1ed3m c\u1ea3 nh\u1eefng vi\u1ec7c c\u1ea7n l\u00e0m khi m\u00e3 \u0111\u00e3 c\u00f3 tr\u00ean m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n ho\u1eb7c khi t\u00ednh n\u0103ng qu\u00e9t kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p 1: Qu\u00e9t b\u1eb1ng \u1ee9ng d\u1ee5ng Camera c\u1ee7a Android<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 qu\u00e9t m\u00e3 QR tr\u00ean h\u1ea7u h\u1ebft \u0111i\u1ec7n tho\u1ea1i Android l\u00e0 s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng camera m\u1eb7c \u0111\u1ecbnh. M\u1edf \u1ee9ng d\u1ee5ng Camera, chuy\u1ec3n sang <strong>Ch\u1ebf \u0111\u1ed9 \u1ea3nh<\/strong>, v\u00e0 gi\u1eef camera \u1ed5n \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0o m\u00e3 QR trong v\u00e0i gi\u00e2y. M\u1ed9t bi\u1ec3u ng\u1eef th\u00f4ng b\u00e1o ho\u1eb7c c\u1eeda s\u1ed5 b\u1eadt l\u00ean s\u1ebd xu\u1ea5t hi\u1ec7n \u2013 ch\u1ea1m v\u00e0o \u0111\u00f3 \u0111\u1ec3 m\u1edf n\u1ed9i dung \u0111\u01b0\u1ee3c li\u00ean k\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu kh\u00f4ng c\u00f3 g\u00ec x\u1ea3y ra, t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb t\u1eaft. V\u00e0o ph\u1ea7n <strong>C\u00e0i \u0111\u1eb7t<\/strong>, c\u1ee7a \u1ee9ng d\u1ee5ng Camera, t\u00ecm m\u1ed9t n\u00fat g\u1ea1t c\u00f3 nh\u00e3n \u201cQu\u00e9t m\u00e3 QR\u201d ho\u1eb7c \u201c\u0110\u1ec1 xu\u1ea5t Google Lens\u201d v\u00e0 b\u1eadt n\u00f3 l\u00ean. Sau khi b\u1eadt, camera s\u1ebd t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n m\u00e3 m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam b\u01b0\u1edbc n\u00e0o.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>M\u1eb9o:<\/strong> \u0110\u1ea3m b\u1ea3o b\u1ea1n \u0111ang \u1edf ch\u1ebf \u0111\u1ed9 \u1ea2nh, kh\u00f4ng ph\u1ea3i ch\u1ebf \u0111\u1ed9 Video. T\u00ednh n\u0103ng ph\u00e1t hi\u1ec7n QR th\u01b0\u1eddng kh\u00f4ng k\u00edch ho\u1ea1t \u1edf ch\u1ebf \u0111\u1ed9 video tr\u00ean h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb Android.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p 2: S\u1eed d\u1ee5ng Tr\u00ecnh qu\u00e9t QR trong C\u00e0i \u0111\u1eb7t nhanh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u \u0111i\u1ec7n tho\u1ea1i Android bao g\u1ed3m m\u1ed9t \u00f4 qu\u00e9t QR chuy\u00ean d\u1ee5ng trong b\u1ea3ng C\u00e0i \u0111\u1eb7t nhanh \u2013 m\u1ed9t t\u00f9y ch\u1ecdn nhanh h\u01a1n khi b\u1ea1n kh\u00f4ng mu\u1ed1n m\u1edf \u1ee9ng d\u1ee5ng camera theo c\u00e1ch th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vu\u1ed1t xu\u1ed1ng t\u1eeb \u0111\u1ea7u m\u00e0n h\u00ecnh b\u1eb1ng hai ng\u00f3n tay \u0111\u1ec3 m\u1edf l\u01b0\u1edbi C\u00e0i \u0111\u1eb7t nhanh \u0111\u1ea7y \u0111\u1ee7<\/li>\n<li>T\u00ecm m\u1ed9t \u00f4 c\u00f3 nh\u00e3n \u201cQu\u00e9t m\u00e3 QR\u201d ho\u1eb7c t\u01b0\u01a1ng t\u1ef1<\/li>\n<li>Ch\u1ea1m v\u00e0o \u0111\u00f3, h\u01b0\u1edbng camera v\u00e0o m\u00e3 v\u00e0 k\u1ebft qu\u1ea3 s\u1ebd xu\u1ea5t hi\u1ec7n ngay l\u1eadp t\u1ee9c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d4 n\u00e0y kh\u00f4ng c\u00f3 s\u1eb5n tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb Android. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ea5y n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam n\u00f3 b\u1eb1ng c\u00e1ch ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng ch\u1ec9nh s\u1eeda (h\u00ecnh b\u00fat ch\u00ec) trong b\u1ea3ng C\u00e0i \u0111\u1eb7t nhanh c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p 3: Qu\u00e9t b\u1eb1ng Google Lens<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Google Lens \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ea7u h\u1ebft c\u00e1c camera Android v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ecdc m\u00e3 QR m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. Tr\u00ean nhi\u1ec1u \u0111i\u1ec7n tho\u1ea1i, b\u1ea1n s\u1ebd th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng Lens b\u00ean trong \u1ee9ng d\u1ee5ng camera \u2013 ch\u1ea1m v\u00e0o \u0111\u00f3, sau \u0111\u00f3 h\u01b0\u1edbng camera v\u00e0o m\u00e3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu Lens kh\u00f4ng hi\u1ec3n th\u1ecb b\u00ean trong camera c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp n\u00f3 th\u00f4ng qua \u1ee9ng d\u1ee5ng Google ho\u1eb7c Google Assistant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1edf \u1ee9ng d\u1ee5ng Google v\u00e0 nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng m\u00e1y \u1ea3nh trong thanh t\u00ecm ki\u1ebfm<\/li>\n<li>Ho\u1eb7c nh\u1ea5n v\u00e0 gi\u1eef n\u00fat Home \u0111\u1ec3 m\u1edf Google Assistant, sau \u0111\u00f3 nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Lens<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Google Lens \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch v\u00ec n\u00f3 c\u00f3 th\u1ec3 qu\u00e9t nhi\u1ec1u m\u00e3 c\u00f9ng l\u00fac v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/05\/android-qr-methods-3e7399-814345e5fd80.webp\" alt=\"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u00e9t m\u00e3 QR tr\u00ean Android\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch qu\u00e9t m\u00e3 QR \u0111\u00e3 c\u00f3 s\u1eb5n tr\u00ean m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f4i khi m\u00e3 QR b\u1ea1n c\u1ea7n qu\u00e9t n\u1eb1m tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a ch\u00ednh b\u1ea1n \u2013 trong email, t\u1ec7p PDF ho\u1eb7c \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh. H\u01b0\u1edbng m\u00e1y \u1ea3nh v\u00e0o m\u00e0n h\u00ecnh kh\u00f4ng hi\u1ec7u qu\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, v\u00ec v\u1eady \u0111\u00e2y l\u00e0 hai c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eed d\u1ee5ng Khoanh v\u00f9ng t\u00ecm ki\u1ebfm (m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb Android):<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean c\u00e1c \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, nh\u1ea5n gi\u1eef n\u00fat Home ho\u1eb7c n\u00fat \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ec3 k\u00edch ho\u1ea1t Khoanh v\u00f9ng t\u00ecm ki\u1ebfm, sau \u0111\u00f3 v\u1ebd m\u1ed9t v\u00f2ng tr\u00f2n quanh m\u00e3 QR tr\u00ean m\u00e0n h\u00ecnh. M\u00e3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecdc tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eed d\u1ee5ng \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh v\u00e0 Google Lens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh m\u00e3 QR<\/li>\n<li>M\u1edf Google Photos, t\u00ecm \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh v\u00e0 nh\u1ea5n v\u00e0o <strong>bi\u1ec3u t\u01b0\u1ee3ng Lens<\/strong><\/li>\n<li>Lens s\u1ebd ph\u00e1t hi\u1ec7n m\u00e3 QR trong h\u00ecnh \u1ea3nh v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung \u0111\u01b0\u1ee3c li\u00ean k\u1ebft<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea3i \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh tr\u1ef1c ti\u1ebfp l\u00ean <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">tr\u00ecnh qu\u00e9t m\u00e3 QR Pageloot mi\u1ec5n ph\u00ed<\/a> t\u1eeb b\u1ea5t k\u1ef3 tr\u00ecnh duy\u1ec7t n\u00e0o \u2013 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn d\u00e0nh ri\u00eang cho thi\u1ebft b\u1ecb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec7n tho\u1ea1i Android kh\u00e1c nhau t\u00f9y theo nh\u00e0 s\u1ea3n xu\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o nhanh cho c\u00e1c th\u01b0\u01a1ng hi\u1ec7u ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Nh\u00e3n hi\u1ec7u<\/th>\n<th>Ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Samsung Galaxy<\/td>\n<td>\u1ee8ng d\u1ee5ng Camera ho\u1eb7c \u00f4 C\u00e0i \u0111\u1eb7t nhanh<\/td>\n<td>B\u1eadt \u201cQu\u00e9t m\u00e3 QR\u201d trong C\u00e0i \u0111\u1eb7t Camera; <a href=\"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-code-with-samsung-galaxy\/\">xem c\u00e1c b\u01b0\u1edbc chi ti\u1ebft c\u1ee7a Samsung<\/a><\/td>\n<\/tr>\n<tr>\n<td>Google Pixel<\/td>\n<td>\u1ee8ng d\u1ee5ng Camera v\u1edbi Google Lens<\/td>\n<td>B\u1eadt g\u1ee3i \u00fd Lens trong C\u00e0i \u0111\u1eb7t Camera<\/td>\n<\/tr>\n<tr>\n<td>OnePlus<\/td>\n<td>\u1ee8ng d\u1ee5ng m\u00e1y \u1ea3nh<\/td>\n<td>Ch\u0129a v\u00e0o m\u00e3; t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng<\/td>\n<\/tr>\n<tr>\n<td>Huawei<\/td>\n<td>\u1ee8ng d\u1ee5ng Camera, m\u00e0n h\u00ecnh kh\u00f3a ho\u1eb7c \u1ee9ng d\u1ee5ng Th\u01b0 vi\u1ec7n<\/td>\n<td>\u1ee8ng d\u1ee5ng Th\u01b0 vi\u1ec7n c\u00f3 th\u1ec3 qu\u00e9t h\u00ecnh \u1ea3nh m\u00e3 QR \u0111\u00e3 l\u01b0u<\/td>\n<\/tr>\n<tr>\n<td>Nokia<\/td>\n<td>\u1ee8ng d\u1ee5ng Camera ho\u1eb7c Tr\u1ee3 l\u00fd Google Lens<\/td>\n<td>S\u1eed d\u1ee5ng n\u00fat Home \u0111\u1ec3 kh\u1edfi ch\u1ea1y Lens n\u1ebfu camera kh\u00f4ng ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>HTC<\/td>\n<td>\u1ee8ng d\u1ee5ng m\u00e1y \u1ea3nh<\/td>\n<td>Ki\u1ec3m tra C\u00e0i \u0111\u1eb7t n\u1ebfu t\u00ednh n\u0103ng qu\u00e9t m\u00e3 QR kh\u00f4ng k\u00edch ho\u1ea1t<\/td>\n<\/tr>\n<tr>\n<td>LG<\/td>\n<td>\u1ee8ng d\u1ee5ng Google Lens ho\u1eb7c Tr\u1ee3 l\u00fd<\/td>\n<td>T\u1ea3i Google Lens t\u1eeb C\u1eeda h\u00e0ng Play n\u1ebfu c\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>Sony<\/td>\n<td>\u1ee8ng d\u1ee5ng m\u00e1y \u1ea3nh<\/td>\n<td>Ch\u1ea1m v\u00e0o n\u00fat \u201ci\u201d m\u00e0u xanh, l\u1ea5y n\u00e9t v\u00e0o m\u00e3, sau \u0111\u00f3 gi\u1eef \u201cChi ti\u1ebft s\u1ea3n ph\u1ea9m\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan h\u01a1n v\u1ec1 vi\u1ec7c qu\u00e9t tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh kh\u00e1c, h\u00e3y xem <a href=\"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-codes-smartphones\/\">c\u00e1ch qu\u00e9t m\u00e3 QR tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1: Khi t\u00ednh n\u0103ng qu\u00e9t kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu camera Android c\u1ee7a b\u1ea1n kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u00e3 QR, v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u sau \u0111\u00e2y.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/05\/why-qr-scanning-e1aa92-9fb3faddc22d.webp\" alt=\"C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i qu\u00e9t m\u00e3 QR\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ednh n\u0103ng qu\u00e9t m\u00e3 QR \u0111\u00e3 t\u1eaft.<\/strong> V\u00e0o C\u00e0i \u0111\u1eb7t Camera v\u00e0 b\u1eadt t\u00f9y ch\u1ecdn \u201cQu\u00e9t m\u00e3 QR\u201d ho\u1eb7c g\u1ee3i \u00fd Lens. \u0110\u00e2y l\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Phi\u00ean b\u1ea3n Android c\u0169 h\u01a1n.<\/strong> T\u00ednh n\u0103ng qu\u00e9t m\u00e3 QR g\u1ed1c y\u00eau c\u1ea7u Android 9 tr\u1edf l\u00ean. N\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111ang ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u0169 h\u01a1n, camera t\u00edch h\u1ee3p c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 \u2013 h\u00e3y th\u1eed Google Lens ho\u1eb7c \u1ee9ng d\u1ee5ng qu\u00e9t c\u1ee7a b\u00ean th\u1ee9 ba t\u1eeb C\u1eeda h\u00e0ng Play thay th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c1nh s\u00e1ng k\u00e9m.<\/strong> M\u00f4i tr\u01b0\u1eddng t\u1ed1i ho\u1eb7c \u00e1nh s\u00e1ng ch\u00f3i tr\u1ef1c ti\u1ebfp tr\u00ean b\u1ec1 m\u1eb7t b\u00f3ng c\u00f3 th\u1ec3 khi\u1ebfn camera kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c m\u00e3. Di chuy\u1ec3n \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng t\u1ed1t h\u01a1n ho\u1eb7c t\u0103ng \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh n\u1ebfu qu\u00e9t t\u1eeb m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u1ed0ng k\u00ednh camera b\u1ecb b\u1ea9n.<\/strong> \u1ed0ng k\u00ednh b\u1ecb m\u1edd l\u00e0 \u0111i\u1ec1u d\u1ec5 b\u1ecf qua. Lau s\u1ea1ch b\u1eb1ng v\u1ea3i m\u1ec1m tr\u01b0\u1edbc khi kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u00eam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kho\u1ea3ng c\u00e1ch v\u00e0 g\u00f3c \u0111\u1ed9.<\/strong> Gi\u1eef \u0111i\u1ec7n tho\u1ea1i song song v\u1edbi m\u00e3 v\u00e0 c\u0103n gi\u1eefa trong khung h\u00ecnh. M\u1ed9t nguy\u00ean t\u1eafc chung l\u00e0 t\u1ef7 l\u1ec7 10:1 \u2013 c\u1ee9 m\u1ed7i 10 cm kho\u1ea3ng c\u00e1ch qu\u00e9t, m\u00e3 ph\u1ea3i r\u1ed9ng \u00edt nh\u1ea5t 1 cm. \u0110i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch cho \u0111\u1ebfn khi l\u1ea5y n\u00e9t t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ea5n \u0111\u1ec1 v\u1edbi ch\u00ednh m\u00e3.<\/strong> N\u1ebfu c\u00e1c m\u00e3 kh\u00e1c qu\u00e9t t\u1ed1t, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 n\u1eb1m \u1edf m\u00e3 \u2013 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p, v\u00f9ng y\u00ean t\u0129nh b\u1ecb h\u1ecfng ho\u1eb7c URL \u0111\u00edch b\u1ecb l\u1ed7i. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 <a href=\"https:\/\/pageloot.com\/vi\/qr-code-marketing\/why-qr-code-not-working\/\">nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn khi\u1ebfn m\u00e3 QR kh\u00f4ng qu\u00e9t \u0111\u01b0\u1ee3c<\/a> v\u00e0 <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-practices-for-qr-code-readability\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 \u0111\u1ecdc m\u00e3 QR<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i.<\/strong> N\u1ebfu qu\u00e1 tr\u00ecnh qu\u00e9t th\u00e0nh c\u00f4ng nh\u01b0ng kh\u00f4ng c\u00f3 g\u00ec t\u1ea3i, h\u00e3y ki\u1ec3m tra k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n. M\u1ed9t s\u1ed1 m\u00e3 QR m\u1edf c\u00e1c trang web y\u00eau c\u1ea7u k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ec3 hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu kh\u00f4ng c\u00f3 b\u01b0\u1edbc n\u00e0o trong s\u1ed1 n\u00e0y gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1, vi\u1ec7c chuy\u1ec3n sang m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf \u2013 \u00f4 C\u00e0i \u0111\u1eb7t nhanh, Google Lens ho\u1eb7c m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-scanning-apps-comparison\/\">\u1ee9ng d\u1ee5ng qu\u00e9t QR chuy\u00ean d\u1ee5ng<\/a> \u2013 th\u01b0\u1eddng s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Qu\u00e9t b\u1ea5t k\u1ef3 m\u00e3 QR n\u00e0o t\u1eeb tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n<\/strong> C\u1ea7n qu\u00e9t m\u00e3 t\u1eeb \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh ho\u1eb7c t\u1ec7p h\u00ecnh \u1ea3nh? <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">M\u00e1y qu\u00e9t m\u00e3 QR Pageloot<\/a> ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp trong tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n \u2013 t\u1ea3i l\u00ean h\u00ecnh \u1ea3nh ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng qu\u00e9t chuy\u00ean d\u1ee5ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Camera t\u00edch h\u1ee3p \u0111\u1ee7 cho vi\u1ec7c qu\u00e9t th\u00f4ng th\u01b0\u1eddng. Nh\u01b0ng n\u1ebfu b\u1ea1n qu\u00e9t m\u00e3 th\u01b0\u1eddng xuy\u00ean \u2013 cho c\u00f4ng vi\u1ec7c, s\u1ef1 ki\u1ec7n ho\u1eb7c ti\u1ebfp th\u1ecb \u2013 m\u1ed9t \u1ee9ng d\u1ee5ng chuy\u00ean d\u1ee5ng s\u1ebd b\u1ed5 sung c\u00e1c t\u00ednh n\u0103ng h\u1eefu \u00edch m\u00e0 camera g\u1ed1c thi\u1ebfu: l\u1ecbch s\u1eed qu\u00e9t, g\u1eafn c\u1edd URL \u0111\u00e1ng ng\u1edd v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i m\u00e3 m\u00e3 t\u1eeb h\u00ecnh \u1ea3nh \u0111\u00e3 l\u01b0u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 so s\u00e1nh c\u00e1c t\u00f9y ch\u1ecdn, h\u00e3y xem <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-scanning-apps-comparison\/\">So s\u00e1nh c\u00e1c \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div class=\"schema-faq\"><div class=\"schema-faq-section\" id=\"faq-question-09122d88c043\"><strong class=\"schema-faq-question\">M\u1ecdi \u0111i\u1ec7n tho\u1ea1i Android c\u00f3 t\u00edch h\u1ee3p m\u00e1y qu\u00e9t m\u00e3 QR kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">H\u1ea7u h\u1ebft \u0111i\u1ec7n tho\u1ea1i Android ch\u1ea1y Android 9 tr\u1edf l\u00ean c\u00f3 th\u1ec3 qu\u00e9t m\u00e3 QR b\u1eb1ng \u1ee9ng d\u1ee5ng m\u00e1y \u1ea3nh m\u1eb7c \u0111\u1ecbnh, m\u1eb7c d\u00f9 t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c b\u1eadt trong C\u00e0i \u0111\u1eb7t m\u00e1y \u1ea3nh tr\u01b0\u1edbc. C\u00e1c thi\u1ebft b\u1ecb c\u0169 h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 qu\u00e9t g\u1ed1c v\u00e0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u Google Lens ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ee7a b\u00ean th\u1ee9 ba.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-64963e6072f6\"><strong class=\"schema-faq-question\">L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 qu\u00e9t m\u00e3 QR \u0111ang hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i c\u1ee7a t\u00f4i?<\/strong> <p class=\"schema-faq-answer\">S\u1eed d\u1ee5ng Khoanh tr\u00f2n \u0111\u1ec3 t\u00ecm ki\u1ebfm n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 \u2013 nh\u1ea5n gi\u1eef n\u00fat Home, sau \u0111\u00f3 khoanh tr\u00f2n m\u00e3. Ngo\u00e0i ra, h\u00e3y ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh, m\u1edf \u1ea3nh \u0111\u00f3 trong Google Photos v\u00e0 ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Lens. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea3i \u1ea3nh m\u00e0n h\u00ecnh l\u00ean tr\u00ecnh qu\u00e9t m\u00e3 QR Pageloot trong tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00ecnh.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-34d5fa0d0a16\"><strong class=\"schema-faq-question\">T\u1ea1i sao camera Android c\u1ee7a t\u00f4i ph\u00e1t hi\u1ec7n m\u00e3 QR nh\u01b0ng kh\u00f4ng c\u00f3 g\u00ec m\u1edf ra?<\/strong> <p class=\"schema-faq-answer\">Qu\u00e1 tr\u00ecnh qu\u00e9t c\u00f3 th\u1ec3 th\u00e0nh c\u00f4ng nh\u01b0ng n\u1ed9i dung li\u00ean k\u1ebft kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c. H\u00e3y ki\u1ec3m tra k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n, \u0111\u1ea3m b\u1ea3o tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n cho ph\u00e9p cookie v\u00e0 x\u00e1c minh r\u1eb1ng URL \u0111\u00edch c\u1ee7a m\u00e3 QR v\u1eabn ho\u1ea1t \u0111\u1ed9ng. N\u1ebfu URL b\u1ecb h\u1ecfng ho\u1eb7c h\u1ebft h\u1ea1n, b\u1ea3n th\u00e2n m\u00e3 \u0111\u00f3 c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch qu\u00e9t m\u00e3 QR tr\u00ean Android b\u1eb1ng camera, Google Lens ho\u1eb7c C\u00e0i \u0111\u1eb7t nhanh c\u1ee7a b\u1ea1n. H\u01b0\u1edbng d\u1eabn n\u00e0y c\u0169ng bao g\u1ed3m qu\u00e9t tr\u00ean m\u00e0n h\u00ecnh v\u00e0 c\u00e1c m\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/p>","protected":false},"author":17,"featured_media":54677,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Free QR Code Scanner &amp; Reader Tool for Android<\/title>\n<meta name=\"description\" content=\"Pageloot, a QR Barcode Scanner for Android, lets you make QR code in various sizes, shapes, colors &amp; with many other phenomenal features.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-code-android\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Scan a QR Code on Android\" \/>\n<meta property=\"og:description\" content=\"Pageloot, a QR Barcode Scanner for Android, lets you make QR code in various sizes, shapes, colors &amp; with many other phenomenal features.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-code-android\/\" \/>\n<meta property=\"og:site_name\" content=\"Pageloot\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pageloot\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-10T12:20:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-10T08:17:15+00:00\" \/>\n<meta property=\"og:image\" 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V\u1edbi chuy\u00ean m\u00f4n s\u00e2u s\u1eafc k\u00e9o d\u00e0i h\u01a1n 5 n\u0103m ch\u1ec9 v\u1ec1 m\u00e3 QR, Siim \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chuy\u00ean gia v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y trong l\u0129nh v\u1ef1c n\u00e0y. Anh \u1ea5y \u0111\u00e3 c\u00f3 nh\u1eefng b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c t\u1eadn d\u1ee5ng c\u00f4ng ngh\u1ec7 QR \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u01b0\u01a1ng t\u00e1c k\u1ef9 thu\u1eadt s\u1ed1. Cu\u1ed9c h\u00e0nh tr\u00ecnh c\u1ee7a anh kh\u00f4ng ch\u1ec9 b\u1eaft \u0111\u1ea7u \u1edf \u0111\u00e2y. Siim c\u00f3 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt s\u1ed1 s\u00e2u r\u1ed9ng v\u1edbi h\u01a1n 10 n\u0103m kinh nghi\u1ec7m v\u1eefng ch\u1eafc trong l\u0129nh v\u1ef1c Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (SaaS), m\u1ed9t minh ch\u1ee9ng cho ki\u1ebfn th\u1ee9c s\u00e2u r\u1ed9ng c\u1ee7a \u00f4ng v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt s\u1ed1.","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-09122d88c043","position":1,"url":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-09122d88c043","name":"M\u1ecdi \u0111i\u1ec7n tho\u1ea1i Android c\u00f3 t\u00edch h\u1ee3p m\u00e1y qu\u00e9t m\u00e3 QR kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Most Android phones running Android 9 or newer can scan QR codes using the default camera app, though the feature may need to be enabled in Camera Settings first. Older devices may not support native scanning and may require Google Lens or a third-party app.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-64963e6072f6","position":2,"url":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-64963e6072f6","name":"L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 t\u00f4i qu\u00e9t m\u00e3 QR \u0111ang hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i c\u1ee7a t\u00f4i?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use Circle to Search if your device supports it \u2013 long-press the Home button, then circle the code. Alternatively, take a screenshot, open it in Google Photos, and tap the Lens icon. You can also upload the screenshot to the Pageloot QR scanner in your browser.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-34d5fa0d0a16","position":3,"url":"https:\/\/pageloot.com\/es\/how-to\/scan-qr-code-android\/#faq-question-34d5fa0d0a16","name":"T\u1ea1i sao camera Android c\u1ee7a t\u00f4i ph\u00e1t hi\u1ec7n m\u00e3 QR nh\u01b0ng kh\u00f4ng c\u00f3 g\u00ec m\u1edf ra?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The scan may be succeeding while the linked content fails to load. Check your internet connection, make sure your browser allows cookies, and verify that the QR code's destination URL is still active. If the URL is broken or expired, the code itself may need to be updated.","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/comments?post=709"}],"version-history":[{"count":3,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/709\/revisions"}],"predecessor-version":[{"id":54916,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/709\/revisions\/54916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media\/54677"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media?parent=709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/categories?post=709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/tags?post=709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}