{"id":8129,"date":"2026-09-14T14:46:35","date_gmt":"2026-09-14T13:46:35","guid":{"rendered":"https:\/\/www.varcap-informatique.net\/tutoriels\/?p=8129"},"modified":"2026-09-14T14:49:41","modified_gmt":"2026-09-14T13:49:41","slug":"comment-installer-ios-27-sur-votre-iphone","status":"publish","type":"post","link":"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-installer-ios-27-sur-votre-iphone\/","title":{"rendered":"Comment installer iOS 27 sur votre iPhone ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">iOS 27 est disponible depuis le <strong>lundi 14 septembre 2026<\/strong>. La mise \u00e0 jour est gratuite. En France, elle appara\u00eet g\u00e9n\u00e9ralement en fin d&rsquo;apr\u00e8s-midi ou en soir\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici la marche \u00e0 suivre, \u00e9tape par \u00e9tape.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Votre iPhone est-il compatible ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bonne nouvelle : <strong>aucun iPhone n&rsquo;est abandonn\u00e9 cette ann\u00e9e<\/strong>. Si votre iPhone tourne aujourd&rsquo;hui sous iOS 26, il passera \u00e0 iOS 27.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La compatibilit\u00e9 commence \u00e0 l&rsquo;<strong>iPhone 11<\/strong> et \u00e0 l&rsquo;<strong>iPhone SE de 2\u1d49 g\u00e9n\u00e9ration<\/strong> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>iPhone 18 Pro, 18 Pro Max, iPhone Duo<\/li>\n\n\n\n<li>iPhone 17, 17e, 17 Pro, 17 Pro Max, iPhone Air<\/li>\n\n\n\n<li>iPhone 16, 16 Plus, 16e, 16 Pro, 16 Pro Max<\/li>\n\n\n\n<li>iPhone 15, 15 Plus, 15 Pro, 15 Pro Max<\/li>\n\n\n\n<li>iPhone 14, 14 Plus, 14 Pro, 14 Pro Max<\/li>\n\n\n\n<li>iPhone 13, 13 mini, 13 Pro, 13 Pro Max<\/li>\n\n\n\n<li>iPhone 12, 12 mini, 12 Pro, 12 Pro Max<\/li>\n\n\n\n<li>iPhone 11, 11 Pro, 11 Pro Max<\/li>\n\n\n\n<li>iPhone SE (2\u1d49 g\u00e9n\u00e9ration et suivantes)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Comment v\u00e9rifier le mod\u00e8le de mon iPhone ?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ouvrez <strong>R\u00e9glages<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur <strong>G\u00e9n\u00e9ral<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur <strong>Informations<\/strong>.<\/li>\n\n\n\n<li>Lisez la ligne <strong>Nom du mod\u00e8le<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Votre iPhone n&rsquo;est pas dans la liste ?<\/strong> Il reste parfaitement utilisable et continue de recevoir des correctifs de s\u00e9curit\u00e9 sur sa version actuelle. Les iPhone XR, XS et XS Max, par exemple, restent sur iOS 18.7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Les trois pr\u00e9paratifs indispensables<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Sauvegardez votre iPhone.<\/strong> Allez dans <strong>R\u00e9glages &gt; [votre nom] &gt; iCloud &gt; Sauvegarde iCloud<\/strong>, puis touchez <strong>Sauvegarder maintenant<\/strong>. Attendez la fin avant de continuer.<\/li>\n\n\n\n<li><strong>Lib\u00e9rez de l&rsquo;espace.<\/strong> Comptez au moins 10 Go disponibles (<strong>R\u00e9glages &gt; G\u00e9n\u00e9ral &gt; Stockage iPhone<\/strong>). Si l&rsquo;espace manque, supprimez quelques vid\u00e9os et videz l&rsquo;album <strong>Supprim\u00e9s r\u00e9cemment<\/strong> dans Photos.<\/li>\n\n\n\n<li><strong>Branchez l&rsquo;iPhone<\/strong> sur le secteur et connectez-le au <strong>Wi-Fi<\/strong>. Ne faites pas la mise \u00e0 jour en 4G ni sur une batterie \u00e0 20 %.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">3. Installer iOS 27<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ouvrez <strong>R\u00e9glages<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur <strong>G\u00e9n\u00e9ral<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur <strong>Mise \u00e0 jour logicielle<\/strong>.<\/li>\n\n\n\n<li>Patientez quelques secondes : l&rsquo;iPhone interroge les serveurs Apple.<\/li>\n\n\n\n<li>Appuyez sur <strong>Mettre \u00e0 jour maintenant<\/strong> (ou <strong>T\u00e9l\u00e9charger et installer<\/strong>).<\/li>\n\n\n\n<li>Saisissez votre code d&rsquo;acc\u00e8s.<\/li>\n\n\n\n<li>Acceptez les conditions d&rsquo;utilisation.<\/li>\n\n\n\n<li>Laissez l&rsquo;iPhone travailler. Il red\u00e9marre une ou deux fois et affiche le logo Apple avec une barre de progression. <strong>Ne l&rsquo;\u00e9teignez pas et ne le d\u00e9branchez pas.<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Comptez 30 \u00e0 60 minutes, davantage le jour de la sortie quand les serveurs sont tr\u00e8s sollicit\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Apr\u00e8s l&rsquo;installation<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&rsquo;iPhone vous propose quelques \u00e9crans de bienvenue, vous pouvez tous les passer.<\/li>\n\n\n\n<li>La batterie peut sembler fondre pendant <strong>48 \u00e0 72 heures<\/strong>. C&rsquo;est normal, l&rsquo;iPhone r\u00e9organise ses donn\u00e9es en arri\u00e8re-plan.<\/li>\n\n\n\n<li>V\u00e9rifiez vos applications bancaires et professionnelles. Si l&rsquo;une d&rsquo;elles refuse de s&rsquo;ouvrir, une mise \u00e0 jour est en g\u00e9n\u00e9ral publi\u00e9e dans les jours qui suivent.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. Probl\u00e8mes fr\u00e9quents<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sympt\u00f4me<\/th><th>Cause probable<\/th><th>Que faire<\/th><\/tr><\/thead><tbody><tr><td>\u00ab Votre logiciel est \u00e0 jour \u00bb<\/td><td>D\u00e9ploiement progressif, ou mod\u00e8le non compatible<\/td><td>V\u00e9rifiez votre mod\u00e8le, puis r\u00e9essayez en soir\u00e9e<\/td><\/tr><tr><td>T\u00e9l\u00e9chargement bloqu\u00e9 \u00e0 0 %<\/td><td>Serveurs satur\u00e9s le jour de la sortie<\/td><td>Patientez, ou r\u00e9essayez le lendemain matin<\/td><\/tr><tr><td>\u00ab Espace de stockage insuffisant \u00bb<\/td><td>Moins de 10 Go libres<\/td><td>Supprimez des vid\u00e9os, videz la corbeille des Photos<\/td><\/tr><tr><td>L&rsquo;iPhone chauffe pendant l&rsquo;installation<\/td><td>Normal<\/td><td>Laissez-le faire, ne l&rsquo;utilisez pas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Faut-il installer iOS 27 tout de suite ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si votre iPhone vous sert quotidiennement pour travailler, rien ne vous oblige \u00e0 vous pr\u00e9cipiter. Attendre deux \u00e0 trois semaines vous fait b\u00e9n\u00e9ficier de la version 27.0.1, qui corrigera les premiers d\u00e9fauts de jeunesse.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Une pr\u00e9cision sur les nouveaut\u00e9s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Installer iOS 27 ne donne pas acc\u00e8s \u00e0 l&rsquo;ensemble des fonctions. <strong>Apple Intelligence et le nouveau Siri<\/strong> n\u00e9cessitent au minimum un iPhone 15 Pro, un iPhone 16 ou un mod\u00e8le plus r\u00e9cent. Sur un iPhone 11 ou 12, vous profiterez des am\u00e9liorations g\u00e9n\u00e9rales, pas des fonctions d&rsquo;intelligence artificielle.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Mise \u00e0 jour bloqu\u00e9e, iPhone qui ne red\u00e9marre plus, applications qui ne fonctionnent plus apr\u00e8s l&rsquo;installation ? Varcap Informatique intervient \u00e0 domicile, \u00e0 Paris<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iOS 27 est disponible depuis le lundi 14 septembre 2026. La mise \u00e0 jour est gratuite. En France, elle appara\u00eet g\u00e9n\u00e9ralement en fin d&rsquo;apr\u00e8s-midi ou en soir\u00e9e. Voici la marche \u00e0 suivre, \u00e9tape par \u00e9tape. 1. Votre iPhone est-il compatible ? Bonne nouvelle : aucun iPhone n&rsquo;est abandonn\u00e9 cette ann\u00e9e. Si votre iPhone tourne aujourd&rsquo;hui [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8112,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[971],"tags":[],"class_list":["post-8129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apple-ios-27"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dans ce tutoriel, je vous explique comment installer iOS27 sur votre iPhone.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Arnault\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-installer-ios-27-sur-votre-iphone\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" 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