{"id":178323,"date":"2026-09-23T11:40:24","date_gmt":"2026-09-23T04:40:24","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=178323"},"modified":"2026-09-23T11:40:27","modified_gmt":"2026-09-23T04:40:27","slug":"khong-the-ha-cap-tu-ios-27-ve-ios-26","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/khong-the-ha-cap-tu-ios-27-ve-ios-26\/","title":{"rendered":"Kh\u00f4ng th\u1ec3 h\u1ea1 c\u1ea5p t\u1eeb iOS 27 v\u1ec1 iOS 26: \u0110i\u1ec1u ng\u01b0\u1eddi d\u00f9ng iPhone c\u1ea7n bi\u1ebft"},"content":{"rendered":"\n<p><strong>PV Tech News \u2013 Apple \u0111\u00e3 ch\u00ednh th\u1ee9c ng\u1eebng k\u00fd iOS 26, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng sau khi n\u00e2ng c\u1ea5p l\u00ean iOS 27 kh\u00f4ng th\u1ec3 quay l\u1ea1i phi\u00ean b\u1ea3n iOS 26 n\u00e0y. \u0110\u1ed9ng th\u00e1i tr\u00ean \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u00f9y ch\u1ecdn h\u1ea1 c\u1ea5p v\u1ec1 iOS 26 \u0111\u00e3 b\u1ecb \u0111\u00f3ng ho\u00e0n to\u00e0n. Ng\u01b0\u1eddi d\u00f9ng s\u1ebd ph\u1ea3i ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng iOS 27 n\u1ebfu \u0111\u00e3 c\u1eadp nh\u1eadt l\u00ean phi\u00ean b\u1ea3n m\u1edbi.&nbsp;<\/strong><\/p>\n\n\n\n<p>Ng\u00e0y 21\/9\/2026, \u0111\u00fang m\u1ed9t tu\u1ea7n sau khi Apple ph\u00e1t h\u00e0nh iOS 27 cho to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb t\u01b0\u01a1ng th\u00edch. Apple \u0111\u00e3 d\u1eebng x\u00e1c th\u1ef1c ch\u1eef k\u00fd cho phi\u00ean b\u1ea3n iOS 26.6.2 tr\u00ean m\u00e1y ch\u1ee7. K\u1ebft qu\u1ea3 l\u00e0 b\u1ea5t k\u1ef3 ai \u0111\u00e3 c\u1eadp nh\u1eadt l\u00ean iOS 27 \u0111\u1ec1u kh\u00f4ng th\u1ec3 quay l\u1ea1i iOS 26, k\u1ec3 c\u1ea3 khi m\u00e1y g\u1eb7p l\u1ed7i ho\u1eb7c hao pin nhanh. C\u01a1 ch\u1ebf \u0111\u1ee9ng sau quy\u1ebft \u0111\u1ecbnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;signing&#8221; (k\u00fd s\u1ed1). M\u1ed7i khi ng\u01b0\u1eddi d\u00f9ng c\u00e0i m\u1ed9t b\u1ea3n iOS, thi\u1ebft b\u1ecb s\u1ebd g\u1eedi y\u00eau c\u1ea7u x\u00e1c th\u1ef1c \u0111\u1ebfn m\u00e1y ch\u1ee7 Apple. N\u1ebfu phi\u00ean b\u1ea3n \u0111\u00f3 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c k\u00fd, qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t s\u1ebd b\u1ecb ch\u1eb7n ngay t\u1eeb b\u01b0\u1edbc ki\u1ec3m tra. \u0110\u00e2y l\u00e0 c\u00e1ch Apple ng\u0103n ng\u01b0\u1eddi d\u00f9ng quay l\u1ea1i c\u00e1c phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u0169, v\u1ed1n ti\u1ec1m \u1ea9n nhi\u1ec1u l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-1440x900.jpg\" alt=\"Kh\u00f4ng th\u1ec3 h\u1ea1 c\u1ea5p t\u1eeb iOS 27 v\u1ec1 iOS 26: \u0110i\u1ec1u ng\u01b0\u1eddi d\u00f9ng iPhone c\u1ea7n bi\u1ebft (Ngu\u1ed3n: Internet)\" class=\"wp-image-178324\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/09\/khong-the-ha-cap-tu-ios-27-ve-ios-26-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">Kh\u00f4ng th\u1ec3 h\u1ea1 c\u1ea5p t\u1eeb iOS 27 v\u1ec1 iOS 26: \u0110i\u1ec1u ng\u01b0\u1eddi d\u00f9ng iPhone c\u1ea7n bi\u1ebft (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>\u0110\u00e1ng ch\u00fa \u00fd, iOS 26.7, phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh song song v\u1edbi iOS 27, c\u0169ng kh\u00f4ng ph\u1ea3i ngo\u1ea1i l\u1ec7. Do iOS 26.7 ch\u1ec9 \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng b\u1ea3n c\u1eadp nh\u1eadt OTA (Over-The-Air) v\u00e0 Apple kh\u00f4ng ph\u00e1t h\u00e0nh file kh\u00f4i ph\u1ee5c ri\u00eang, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng iTunes ho\u1eb7c Finder \u0111\u1ec3 c\u00e0i \u0111\u1eb7t th\u1ee7 c\u00f4ng phi\u00ean b\u1ea3n n\u00e0y sau khi \u0111\u00e3 n\u00e2ng c\u1ea5p l\u00ean iOS 27. Tuy nhi\u00ean, v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb v\u1eabn \u0111ang ch\u1ea1y iOS 26, bao g\u1ed3m iOS 26.6.2 ho\u1eb7c 26.7, v\u00e0 ch\u01b0a th\u1ef1c hi\u1ec7n c\u1eadp nh\u1eadt l\u00ean iOS 27, ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng m\u00e1y b\u00ecnh th\u01b0\u1eddng. Apple kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u00e9p bu\u1ed9c n\u00e2ng c\u1ea5p, v\u00ec v\u1eady t\u00f9y ch\u1ecdn quay l\u1ea1i iOS 26 ch\u1ec9 th\u1ef1c s\u1ef1 m\u1ea5t \u0111i sau khi qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt l\u00ean iOS 27 ho\u00e0n t\u1ea5t.<\/p>\n\n\n\n<p>Vi\u1ec7c Apple ng\u1eebng k\u00fd c\u00e1c phi\u00ean b\u1ea3n iOS c\u0169 l\u00e0 vi\u1ec7c l\u00e0m quen thu\u1ed9c trong chu k\u1ef3 c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Th\u00f4ng th\u01b0\u1eddng, h\u00e3ng s\u1ebd duy tr\u00ec c\u1eeda s\u1ed5 h\u1ea1 c\u1ea5p trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn sau khi ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n m\u1edbi, tr\u01b0\u1edbc khi kh\u00f3a ho\u00e0n to\u00e0n \u0111\u1ec3 khuy\u1ebfn kh\u00edch thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u1edbi v\u00e0 c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t. V\u1edbi iOS 27, c\u1eeda s\u1ed5 h\u1ea1 c\u1ea5p k\u00e9o d\u00e0i kho\u1ea3ng m\u1ed9t tu\u1ea7n k\u1ec3 t\u1eeb ng\u00e0y h\u1ec7 \u0111i\u1ec1u h\u00e0nh n\u00e0y ch\u00ednh th\u1ee9c ra m\u1eaft v\u00e0o 14\/9\/2026.<\/p>\n\n\n\n<p>Ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u1ec1 iOS 27 hi\u1ec7n c\u00f3 nhi\u1ec1u \u00fd tr\u00e1i chi\u1ec1u. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1 phi\u00ean b\u1ea3n m\u1edbi mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi c\u00e1c b\u1ea3n iOS 26 tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1eb7c bi\u1ec7t v\u1ec1 nhi\u1ec7t \u0111\u1ed9 m\u00e1y v\u00e0 th\u1eddi l\u01b0\u1ee3ng pin. Tuy nhi\u00ean, kh\u00f4ng \u00edt ng\u01b0\u1eddi lo ng\u1ea1i vi\u1ec7c Apple ng\u1eebng h\u1ed7 tr\u1ee3 h\u1ea1 c\u1ea5p c\u00f3 th\u1ec3 g\u00e2y b\u1ea5t ti\u1ec7n n\u1ebfu thi\u1ebft b\u1ecb ph\u00e1t sinh l\u1ed7i trong nh\u1eefng b\u1ea3n c\u1eadp nh\u1eadt nh\u1ecf ti\u1ebfp theo.&nbsp;<\/p>\n\n\n\n<p>N\u1ebfu \u0111ang c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p, ng\u01b0\u1eddi d\u00f9ng n\u00ean sao l\u01b0u \u0111\u1ea7y \u0111\u1ee7 d\u1eef li\u1ec7u tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t iOS 27. Vi\u1ec7c theo d\u00f5i th\u00eam ph\u1ea3n h\u1ed3i t\u1eeb c\u1ed9ng \u0111\u1ed3ng trong v\u00e0i ng\u00e0y c\u0169ng c\u00f3 th\u1ec3 gi\u00fap \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a phi\u00ean b\u1ea3n m\u1edbi. Sau khi n\u00e2ng c\u1ea5p v\u00e0 Apple ng\u1eebng k\u00fd phi\u00ean b\u1ea3n c\u0169, kh\u1ea3 n\u0103ng quay l\u1ea1i iOS 26 s\u1ebd kh\u00f4ng c\u00f2n. \u0110\u1eebng qu\u00ean theo d\u00f5i <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt nhanh nh\u1eefng th\u00f4ng tin m\u1edbi nh\u1ea5t v\u1ec1 iOS 27, c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt v\u00e0 h\u1ec7 sinh th\u00e1i Apple.<\/p>\n\n\n\n<p><em>Ngu\u1ed3n: MacRumors<\/em><\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/iphone-co-the-bi-treo-tam-thoi-vi-loi-tren-ios-27\/\">iPhone c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb treo t\u1ea1m th\u1eddi v\u00ec l\u1ed7i tr\u00ean iOS 27<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/apple-chinh-thuc-ra-mat-ios-27\/\">Apple ch\u00ednh th\u1ee9c ra m\u1eaft iOS 27: Siri AI m\u1edbi c\u00f3 g\u00ec \u0111\u00e1ng ch\u00fa \u00fd?<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/phongvu.vn\/cong-nghe\/chiec-lo-nho-canh-camera-iphone-co-tac-dung-gi\/\">Chi\u1ebfc l\u1ed7 nh\u1ecf c\u1ea1nh camera tr\u00ean iPhone c\u00f3 c\u00f4ng d\u1ee5ng g\u00ec?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>PV Tech News \u2013 Apple \u0111\u00e3 ch\u00ednh th\u1ee9c ng\u1eebng k\u00fd iOS 26, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng sau khi n\u00e2ng c\u1ea5p l\u00ean iOS 27 kh\u00f4ng th\u1ec3 quay l\u1ea1i phi\u00ean b\u1ea3n iOS 26 n\u00e0y. \u0110\u1ed9ng th\u00e1i tr\u00ean \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u00f9y ch\u1ecdn h\u1ea1 c\u1ea5p v\u1ec1 iOS 26 \u0111\u00e3 b\u1ecb \u0111\u00f3ng ho\u00e0n to\u00e0n. Ng\u01b0\u1eddi d\u00f9ng s\u1ebd ph\u1ea3i ti\u1ebfp [&hellip;]<\/p>\n","protected":false},"author":73,"featured_media":178324,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74,4499],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/178323"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/73"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=178323"}],"version-history":[{"count":1,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/178323\/revisions"}],"predecessor-version":[{"id":178325,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/178323\/revisions\/178325"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/178324"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=178323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=178323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=178323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}