{"id":55862,"date":"2026-07-27T08:48:03","date_gmt":"2026-07-27T08:48:03","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/create-a-qr-code-for-a-phone-number\/"},"modified":"2026-07-27T08:48:03","modified_gmt":"2026-07-27T08:48:03","slug":"create-a-qr-code-for-a-phone-number","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/how-to\/create-a-qr-code-for-a-phone-number\/","title":{"rendered":"C\u00e1ch t\u1ea1o m\u00e3 QR cho s\u1ed1 \u0111i\u1ec7n tho\u1ea1i"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng c\u1ee7a b\u1ea1n c\u00f3 \u0111ang b\u1ecf cu\u1ed9c g\u1ecdi v\u00ec vi\u1ec7c g\u00f5 m\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i d\u00e0i t\u1eeb t\u00e0i li\u1ec7u in \u1ea5n qu\u00e1 kh\u00f3 ch\u1ecbu kh\u00f4ng? L\u1ed7i quay s\u1ed1 th\u1ee7 c\u00f4ng tr\u1ef1c ti\u1ebfp l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng v\u00e0 y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 qua \u0111i\u1ec7n tho\u1ea1i. Vi\u1ec7c t\u1ea1o m\u00e3 QR s\u1ed1 \u0111i\u1ec7n tho\u1ea1i cho ph\u00e9p kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111i\u1ec1n s\u1ed1 c\u1ee7a b\u1ea1n v\u00e0o tr\u00ecnh quay s\u1ed1 di \u0111\u1ed9ng c\u1ee7a h\u1ecd ngay l\u1eadp t\u1ee9c ch\u1ec9 v\u1edbi m\u1ed9t l\u1ea7n qu\u00e9t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e3 QR cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh qu\u00e9t m\u00e3 QR cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i, n\u00f3 s\u1ebd \u0111\u1ecdc m\u1ed9t giao th\u1ee9c truy\u1ec1n th\u00f4ng ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110\u1ecbnh danh T\u00e0i nguy\u00ean Th\u1ed1ng nh\u1ea5t (URI) `tel:`. \u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi ti\u00eau chu\u1ea9n IETF RFC 3966, chu\u1ed7i n\u00e0y m\u00e3 h\u00f3a s\u1ed1 \u0111i\u1ec7n tho\u1ea1i th\u00e0nh m\u1ed9t c\u1ea5u tr\u00fac m\u00e0 c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh di \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c nh\u1eadn ra l\u00e0 m\u1ed9t y\u00eau c\u1ea7u cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e3 c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 m\u1ea1ng di \u0111\u1ed9ng v\u00e0 m\u1ea1ng qu\u1ed1c t\u1ebf, h\u00e3y lu\u00f4n \u0111\u1ecbnh d\u1ea1ng s\u1ed1 c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf E.164<\/strong>. \u0110\u1ecbnh d\u1ea1ng n\u00e0y b\u1eaft \u0111\u1ea7u b\u1eb1ng d\u1ea5u c\u1ed9ng (`+`), sau \u0111\u00f3 l\u00e0 m\u00e3 qu\u1ed1c gia, m\u00e3 v\u00f9ng v\u00e0 s\u1ed1 thu\u00ea bao m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u c\u00e1ch, d\u1ea5u g\u1ea1ch ngang ho\u1eb7c d\u1ea5u ngo\u1eb7c \u0111\u01a1n (v\u00ed d\u1ee5, `+12025550123`).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o m\u1eadt v\u00e0 H\u00e0nh vi c\u1ee7a H\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh di \u0111\u1ed9ng c\u1ed1 \u00fd ng\u0103n m\u00e3 QR t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi m\u00e0 kh\u00f4ng c\u00f3 t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp t\u1eeb ng\u01b0\u1eddi d\u00f9ng. L\u1edbp b\u1ea3o m\u1eadt t\u00edch h\u1ee3p n\u00e0y b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi vi\u1ec7c quay s\u1ed1 ng\u1eabu nhi\u00ean ho\u1eb7c c\u00e1c kho\u1ea3n ph\u00ed \u0111\u1ed9c h\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>iOS (iPhone):<\/strong> Qu\u00e9t m\u00e3 s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t th\u00f4ng b\u00e1o tr\u00ean m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb s\u1ed1 \u0111i\u1ec7n tho\u1ea1i v\u00e0 y\u00eau c\u1ea7u x\u00e1c nh\u1eadn r\u00f5 r\u00e0ng tr\u01b0\u1edbc khi quay s\u1ed1.<\/li>\n<li><strong>Android:<\/strong> Qu\u00e9t m\u00e3 s\u1ebd m\u1edf \u1ee9ng d\u1ee5ng \u0110i\u1ec7n tho\u1ea1i g\u1ed1c c\u1ee7a thi\u1ebft b\u1ecb v\u1edbi s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1n s\u1eb5n v\u00e0o tr\u00ecnh quay s\u1ed1, y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ch\u1ea1m v\u00e0o n\u00fat g\u1ecdi.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai n\u1ec1n t\u1ea3ng \u0111\u1ec1u y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ch\u1ea1m th\u1ee7 c\u00f4ng l\u1ea7n cu\u1ed1i, \u0111\u1ea3m b\u1ea3o quy\u1ec1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n qu\u00e1 tr\u00ecnh g\u1ecdi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc t\u1ea1o m\u00e3 QR cu\u1ed9c g\u1ecdi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u1ea1o m\u00e3 QR \u0111i\u1ec7n tho\u1ea1i c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao kh\u00f4ng y\u00eau c\u1ea7u chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt. H\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n sau \u0111\u1ec3 t\u1ea1o m\u00e3 c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/07\/phone-qr-infographic-a69fb7-e4dc25dacf2e.webp\" alt=\"C\u00e1c b\u01b0\u1edbc t\u1ea1o m\u00e3 QR cu\u1ed9c g\u1ecdi\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1edf tr\u00ecnh t\u1ea1o:<\/strong> Truy c\u1eadp tr\u1ef1c tuy\u1ebfn <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR Pageloot<\/a>.<\/li>\n<li><strong>Ch\u1ecdn t\u00f9y ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i:<\/strong> Ch\u1ecdn <strong>S\u1ed1 \u0111i\u1ec7n tho\u1ea1i<\/strong> ho\u1eb7c l\u00e0 <strong>G\u1ecdi<\/strong> t\u00f9y ch\u1ecdn t\u1eeb c\u00e1c lo\u1ea1i m\u00e3 c\u00f3 s\u1eb5n.<\/li>\n<li><strong>Nh\u1eadp s\u1ed1 \u0111i\u1ec7n tho\u1ea1i:<\/strong> Nh\u1eadp s\u1ed1 li\u00ean h\u1ec7 \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ea1n theo \u0111\u1ecbnh d\u1ea1ng E.164, bao g\u1ed3m m\u00e3 qu\u1ed1c gia (v\u00ed d\u1ee5: `+1` cho B\u1eafc M\u1ef9).<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh thi\u1ebft k\u1ebf h\u00ecnh \u1ea3nh:<\/strong> Ch\u1ecdn m\u00e0u th\u01b0\u01a1ng hi\u1ec7u t\u00f9y ch\u1ec9nh, t\u1ea3i l\u00ean logo c\u00f4ng ty ho\u1eb7c th\u00eam khung b\u1ea3o v\u1ec7 v\u1edbi c\u1ee5m t\u1eeb k\u00eau g\u1ecdi h\u00e0nh \u0111\u1ed9ng r\u00f5 r\u00e0ng.<\/li>\n<li><strong>T\u1ea3i xu\u1ed1ng t\u1ec7p \u0111\u00e3 ho\u00e0n th\u00e0nh:<\/strong> T\u1ea3i xu\u1ed1ng m\u00e3 c\u1ee7a b\u1ea1n \u1edf \u0111\u1ecbnh d\u1ea1ng vector nh\u01b0 <strong>.SVG<\/strong> ho\u1eb7c l\u00e0 <strong>.PDF<\/strong> \u0111\u1ec3 in th\u01b0\u01a1ng m\u1ea1i, ho\u1eb7c <strong>.PNG<\/strong> cho m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n c\u1ea7n chia s\u1ebb m\u1ed9t b\u1ed9 th\u00f4ng tin chi ti\u1ebft chuy\u00ean nghi\u1ec7p r\u1ed9ng h\u01a1n \u2013 bao g\u1ed3m h\u1ecd t\u00ean \u0111\u1ea7y \u0111\u1ee7, \u0111\u1ecba ch\u1ec9 email, \u0111\u1ecba ch\u1ec9 v\u1eadt l\u00fd v\u00e0 ch\u1ee9c danh c\u00f4ng vi\u1ec7c \u2013 h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/vcard-qr-code-generator\/\">T\u1ea1o m\u00e3 QR vCard<\/a> thay v\u00e0o \u0111\u00f3. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/pageloot.com\/vi\/how-to\/qr-code-for-contact-info\/\">c\u00e1ch chia s\u1ebb th\u00f4ng tin li\u00ean h\u1ec7 b\u1eb1ng m\u00e3 QR<\/a> \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh \u0111\u1ecbnh d\u1ea1ng n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e3 QR \u0110i\u1ec7n tho\u1ea1i T\u0129nh so v\u1edbi \u0110\u1ed9ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ecdn c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n ph\u00f9 h\u1ee3p cho m\u00e3 QR c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u00f3 c\u1ea7n c\u1eadp nh\u1eadt s\u1ed1 \u0111i\u1ec7n tho\u1ea1i hay theo d\u00f5i m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian hay kh\u00f4ng.<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>T\u00cdNH N\u0102NG<\/th>\n<th>M\u00e3 QR \u0110i\u1ec7n tho\u1ea1i T\u0129nh<\/th>\n<th>M\u00e3 QR \u0110i\u1ec7n tho\u1ea1i \u0110\u1ed9ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>L\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/strong><\/td>\n<td>S\u1ed1 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a tr\u1ef1c ti\u1ebfp v\u00e0o m\u1eabu m\u00e3<\/td>\n<td>URL trung gian ng\u1eafn \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ec9nh s\u1eeda sau in<\/strong><\/td>\n<td>V\u0129nh vi\u1ec5n (Kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i sau khi t\u1ea1o)<\/td>\n<td>C\u1eadp nh\u1eadt s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u00edch b\u1ea5t c\u1ee9 l\u00fac n\u00e0o<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u00e2n t\u00edch l\u01b0\u1ee3t qu\u00e9t<\/strong><\/td>\n<td>Kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td>\n<td>Theo d\u00f5i t\u1ed5ng s\u1ed1 l\u01b0\u1ee3t qu\u00e9t, v\u1ecb tr\u00ed v\u00e0 c\u00e1c m\u1eabu th\u1eddi gian<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/strong><\/td>\n<td>\u0110\u01b0\u1eddng d\u00e2y li\u00ean h\u1ec7 v\u0129nh vi\u1ec5n (V\u0103n ph\u00f2ng ch\u00ednh, t\u1ed5ng \u0111\u00e0i mi\u1ec5n ph\u00ed)<\/td>\n<td>C\u00e1c chi\u1ebfn d\u1ecbch ti\u1ebfp th\u1ecb, trung t\u00e2m cu\u1ed9c g\u1ecdi theo m\u00f9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>B\u1eaft \u0111\u1ea7u th\u00fac \u0111\u1ea9y cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i t\u1ee9c th\u00ec<\/strong> B\u1ea1n mu\u1ed1n theo d\u00f5i bao nhi\u00eau l\u01b0\u1ee3t qu\u00e9t chuy\u1ec3n th\u00e0nh cu\u1ed9c g\u1ecdi kh\u00e1ch h\u00e0ng th\u1ef1c t\u1ebf? S\u1eed d\u1ee5ng <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR Pageloot<\/a> \u0111\u1ec3 t\u1ea1o m\u00e3 cu\u1ed9c g\u1ecdi c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh, theo d\u00f5i \u0111\u01b0\u1ee3c ngay h\u00f4m nay.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c Th\u1ef1c H\u00e0nh T\u1ed1t Nh\u1ea5t \u0111\u1ec3 In v\u00e0 Kh\u1ea3 N\u0103ng Qu\u00e9t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 QR \u0111i\u1ec7n tho\u1ea1i ch\u1ec9 t\u1ea1o ra c\u00e1c y\u00eau c\u1ea7u n\u1ebfu camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u00f3 th\u1ec3 qu\u00e9t \u0111\u00e1ng tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. H\u00e3y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n in c\u1ed1t l\u00f5i n\u00e0y tr\u01b0\u1edbc khi g\u1eedi thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n \u0111i s\u1ea3n xu\u1ea5t:<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/07\/qr-code-poster-291dd3-bdba7a62c928.webp\" alt=\"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t khi in QR\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Duy tr\u00ec \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u cao:<\/strong> Ch\u1ecdn c\u00e1c m\u00f4-\u0111un t\u1ed1i tr\u00ean n\u1ec1n s\u00e1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0u \u0111en tr\u00ean n\u1ec1n tr\u1eafng. M\u00e1y qu\u00e9t kh\u00f3 \u0111\u1ecdc c\u00e1c m\u00e0u \u0111\u1ea3o ng\u01b0\u1ee3c ho\u1eb7c c\u00e1c t\u1ed5 h\u1ee3p t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p nh\u01b0 m\u00e0u x\u00e1m nh\u1ea1t tr\u00ean n\u1ec1n tr\u1eafng.<\/li>\n<li><strong>Duy tr\u00ec v\u00f9ng y\u00ean t\u0129nh:<\/strong> Duy tr\u00ec m\u1ed9t l\u1ec1 r\u00f5 r\u00e0ng \u00edt nh\u1ea5t b\u1eb1ng 4 m\u00f4-\u0111un (c\u00e1c \u00f4 vu\u00f4ng ri\u00eang l\u1ebb trong m\u1eabu m\u00e3) ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 v\u0103n b\u1ea3n, \u0111\u01b0\u1eddng vi\u1ec1n ho\u1eb7c \u0111\u1ed3 h\u1ecda \u1edf c\u1ea3 b\u1ed1n ph\u00eda.<\/li>\n<li><strong>T\u1ef7 l\u1ec7 cho kho\u1ea3ng c\u00e1ch xem:<\/strong> In c\u00e1c t\u00e0i li\u1ec7u t\u1ea7m g\u1ea7n (nh\u01b0 danh thi\u1ebfp ho\u1eb7c b\u1ea3ng \u0111\u1ec3 b\u00e0n) v\u1edbi k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u l\u00e0 <strong>0,8 \u00d7 0,8 inch (2 \u00d7 2 cm)<\/strong>. \u0110\u1ed1i v\u1edbi bi\u1ec3n b\u00e1o \u1edf xa, h\u00e3y \u00e1p d\u1ee5ng <strong>quy t\u1eafc kho\u1ea3ng c\u00e1ch 10:1<\/strong>, ngh\u0129a l\u00e0 m\u00e3 \u0111\u01b0\u1ee3c qu\u00e9t t\u1eeb kho\u1ea3ng c\u00e1ch 10 feet ph\u1ea3i c\u00f3 chi\u1ec1u r\u1ed9ng t\u1ed1i thi\u1ec3u 1 foot.<\/li>\n<li><strong>Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf:<\/strong> In m\u1ed9t b\u1ea3n th\u1eed nghi\u1ec7m v\u1eadt l\u00fd tr\u00ean ch\u1ea5t li\u1ec7u m\u1ee5c ti\u00eau v\u00e0 th\u1eed <a href=\"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-codes-smartphones\/\">qu\u00e9t m\u00e3 QR b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh<\/a> tr\u00ean c\u1ea3 n\u1ec1n t\u1ea3ng iOS v\u00e0 Android trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng kh\u00e1c nhau.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft n\u1ed1i kh\u00e1n gi\u1ea3 ngo\u1ea1i tuy\u1ebfn v\u1edbi \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf l\u1ed7i g\u00f5 th\u1ee7 c\u00f4ng, m\u00e3 QR s\u1ed1 \u0111i\u1ec7n tho\u1ea1i lo\u1ea1i b\u1ecf r\u00e0o c\u1ea3n kh\u1ecfi c\u00e1c k\u00eanh ti\u1ebfp th\u1ecb ngo\u1ea1i tuy\u1ebfn v\u00e0 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng v\u1edbi nh\u00f3m c\u1ee7a b\u1ea1n. Cho d\u00f9 b\u1ea1n tri\u1ec3n khai m\u00e3 t\u0129nh tr\u00ean bi\u1ec3n b\u00e1o v\u0103n ph\u00f2ng c\u1ed1 \u0111\u1ecbnh hay d\u1ef1a v\u00e0o theo d\u00f5i \u0111\u1ed9ng cho c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o theo m\u00f9a, vi\u1ec7c gi\u1eef cho thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c s\u1ebd \u0111\u1ea3m b\u1ea3o m\u1ed9t con \u0111\u01b0\u1eddng th\u00f4ng su\u1ed1t t\u1eeb \u0111i\u1ec3m ch\u1ea1m v\u1eadt l\u00fd \u0111\u1ebfn cu\u1ed9c tr\u00f2 chuy\u1ec7n qua \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eb5n s\u00e0ng \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c ti\u1ebfp c\u1eadn kh\u00e1ch h\u00e0ng? H\u00e3y gh\u00e9 th\u0103m <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR Pageloot<\/a> ngay h\u00f4m nay \u0111\u1ec3 t\u1ea1o, t\u00f9y ch\u1ec9nh v\u00e0 tri\u1ec3n khai m\u00e3 QR cu\u1ed9c g\u1ecdi t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n.<\/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-f97bbbbd491c\"><strong class=\"schema-faq-question\">Vi\u1ec7c qu\u00e9t m\u00e3 QR c\u00f3 t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">Kh\u00f4ng. C\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u01b0 iOS v\u00e0 Android y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng x\u00e1c nh\u1eadn \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c g\u1ecdi ng\u1eabu nhi\u00ean ho\u1eb7c tr\u00e1i ph\u00e9p. Vi\u1ec7c qu\u00e9t s\u1ebd \u0111i\u1ec1n tr\u01b0\u1edbc v\u00e0o tr\u00ecnh quay s\u1ed1 \u0111i\u1ec7n tho\u1ea1i g\u1ed1c ho\u1eb7c hi\u1ec3n th\u1ecb l\u1eddi nh\u1eafc x\u00e1c nh\u1eadn, nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i nh\u1ea5n n\u00fat g\u1ecdi.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-5c2f1d6b5b7e\"><strong class=\"schema-faq-question\">T\u00f4i n\u00ean s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng n\u00e0o khi nh\u1eadp s\u1ed1 \u0111i\u1ec7n tho\u1ea1i?<\/strong> <p class=\"schema-faq-answer\">S\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf E.164, b\u1eaft \u0111\u1ea7u b\u1eb1ng d\u1ea5u c\u1ed9ng (+), ti\u1ebfp theo l\u00e0 m\u00e3 qu\u1ed1c gia, m\u00e3 v\u00f9ng v\u00e0 s\u1ed1 thu\u00ea bao kh\u00f4ng c\u00f3 d\u1ea5u g\u1ea1ch ngang, kho\u1ea3ng tr\u1eafng ho\u1eb7c d\u1ea5u ngo\u1eb7c \u0111\u01a1n (v\u00ed d\u1ee5, +12025550123).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-457b7e9aca03\"><strong class=\"schema-faq-question\">T\u00f4i c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt s\u1ed1 \u0111i\u1ec7n tho\u1ea1i sau khi in m\u00e3 QR kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">C\u00f3, n\u1ebfu b\u1ea1n t\u1ea1o m\u00e3 QR \u0111\u1ed9ng. M\u00e3 \u0111\u1ed9ng \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u00f4ng qua m\u1ed9t li\u00ean k\u1ebft ng\u1eafn, cho ph\u00e9p b\u1ea1n ch\u1ec9nh s\u1eeda s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u00edch b\u1ea5t c\u1ee9 l\u00fac n\u00e0o m\u00e0 kh\u00f4ng c\u1ea7n in l\u1ea1i t\u00e0i li\u1ec7u v\u1eadt l\u00fd.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch t\u1ea1o m\u00e3 QR s\u1ed1 \u0111i\u1ec7n tho\u1ea1i t\u1eebng b\u01b0\u1edbc. Kh\u00e1m ph\u00e1 \u0111\u1ecbnh d\u1ea1ng E.164 ph\u00f9 h\u1ee3p, c\u00e1c t\u00f9y ch\u1ecdn t\u0129nh so v\u1edbi \u0111\u1ed9ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 in.<\/p>","protected":false},"author":17,"featured_media":55779,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-55862","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>How to Create a QR Code for a Phone Number<\/title>\n<meta name=\"description\" content=\"Learn how to create a phone number QR code step-by-step. Discover proper E.164 formatting, static vs. dynamic options, and best practices for printing.\" \/>\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\/create-a-qr-code-for-a-phone-number\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Create a QR Code for a Phone Number\" \/>\n<meta property=\"og:description\" content=\"Learn how to create a phone number QR code step-by-step. Discover proper E.164 formatting, static vs. dynamic options, and best practices for printing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/vi\/how-to\/create-a-qr-code-for-a-phone-number\/\" \/>\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=\"2026-07-27T08:48:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/07\/smartphone-qr-scan-8e7221-ebb359b7a4de.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Siim T\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:site\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Siim T\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/\"},\"author\":{\"name\":\"Siim T\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\"},\"headline\":\"How to Create a QR Code for a Phone Number\",\"datePublished\":\"2026-07-27T08:48:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/\"},\"wordCount\":928,\"publisher\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/smartphone-qr-scan-8e7221-ebb359b7a4de.webp\",\"articleSection\":[\"Guides\"],\"inLanguage\":\"vi\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/\",\"url\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/\",\"name\":\"How to Create a QR Code for a Phone Number\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/how-to\\\/create-a-qr-code-for-a-phone-number\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/smartphone-qr-scan-8e7221-ebb359b7a4de.webp\",\"datePublished\":\"2026-07-27T08:48:03+00:00\",\"description\":\"Learn how to create a phone number QR code step-by-step. 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Scanning pre-fills the native phone dialer or displays a confirmation prompt, but the user must tap the call button.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/create-a-qr-code-for-a-phone-number\/#faq-question-5c2f1d6b5b7e","position":2,"url":"https:\/\/pageloot.com\/how-to\/create-a-qr-code-for-a-phone-number\/#faq-question-5c2f1d6b5b7e","name":"T\u00f4i n\u00ean s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng n\u00e0o khi nh\u1eadp s\u1ed1 \u0111i\u1ec7n tho\u1ea1i?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use the E.164 international standard, which starts with a plus sign (+), followed by the country code, area code, and subscriber number without dashes, spaces, or parentheses (for example, +12025550123).","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/create-a-qr-code-for-a-phone-number\/#faq-question-457b7e9aca03","position":3,"url":"https:\/\/pageloot.com\/how-to\/create-a-qr-code-for-a-phone-number\/#faq-question-457b7e9aca03","name":"T\u00f4i c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt s\u1ed1 \u0111i\u1ec7n tho\u1ea1i sau khi in m\u00e3 QR kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, if you create a dynamic QR code. 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