{"id":8130,"date":"2026-09-14T15:04:55","date_gmt":"2026-09-14T14:04:55","guid":{"rendered":"https:\/\/www.varcap-informatique.net\/tutoriels\/?p=8130"},"modified":"2026-09-14T15:06:09","modified_gmt":"2026-09-14T14:06:09","slug":"comment-installer-watchos-27-sur-votre-apple-watch","status":"publish","type":"post","link":"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-installer-watchos-27-sur-votre-apple-watch\/","title":{"rendered":"Comment installer watchOS 27 sur votre Apple Watch ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Apple watchOS 27 est disponible depuis le <strong>lundi 14 septembre 2026<\/strong>. La mise \u00e0 jour est gratuite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deux particularit\u00e9s \u00e0 conna\u00eetre avant de commencer : <strong>plusieurs mod\u00e8les r\u00e9cents sont \u00e9cart\u00e9s<\/strong>, et la mise \u00e0 jour <strong>exige un iPhone d\u00e9j\u00e0 pass\u00e9 sous iOS 27<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Les mod\u00e8les qui ne recevront pas watchOS 27<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C&rsquo;est la coupure la plus s\u00e9v\u00e8re de l&rsquo;histoire de l&rsquo;Apple Watch. Cinq mod\u00e8les sont abandonn\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apple Watch Series 6<\/li>\n\n\n\n<li>Apple Watch Series 7<\/li>\n\n\n\n<li>Apple Watch Series 8<\/li>\n\n\n\n<li>Apple Watch SE (2\u1d49 g\u00e9n\u00e9ration)<\/li>\n\n\n\n<li>Apple Watch Ultra (1\u02b3\u1d49 g\u00e9n\u00e9ration, 2022)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;Ultra de premi\u00e8re g\u00e9n\u00e9ration, sortie en 2022, surprend particuli\u00e8rement les utilisateurs. Apple n&rsquo;a fourni aucune justification technique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Votre montre est dans cette liste ?<\/strong> Elle continue de fonctionner normalement sous watchOS 26, avec toutes ses fonctions actuelles : appels, notifications, suivi d&rsquo;activit\u00e9, d\u00e9tection de chute, ECG. Vous ne perdez rien de ce que vous utilisez aujourd&rsquo;hui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Les mod\u00e8les compatibles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apple Watch SE 3<\/li>\n\n\n\n<li>Apple Watch Series 9, Series 10, Series 11, Series 12<\/li>\n\n\n\n<li>Apple Watch Ultra 2, Ultra 3, Ultra 4<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Comment v\u00e9rifier mon mod\u00e8le ?<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Sur votre iPhone, ouvrez l&rsquo;application <strong>Watch<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur l&rsquo;onglet <strong>Ma montre<\/strong>, en bas de l&rsquo;\u00e9cran.<\/li>\n\n\n\n<li>Appuyez sur <strong>G\u00e9n\u00e9ral<\/strong>, puis <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<h2 class=\"wp-block-heading\">3. La condition obligatoire : mettre l&rsquo;iPhone \u00e0 jour d&rsquo;abord<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">watchOS 27 n\u00e9cessite un <strong>iPhone 11 ou plus r\u00e9cent<\/strong>, ou un <strong>iPhone SE de 2\u1d49 g\u00e9n\u00e9ration ou plus r\u00e9cent<\/strong>, fonctionnant d\u00e9j\u00e0 sous <strong>iOS 27<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tant que votre iPhone n&rsquo;est pas pass\u00e9 sous iOS 27, la mise \u00e0 jour de la montre ne vous sera <strong>tout simplement pas propos\u00e9e<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Commencez donc par l&rsquo;iPhone, puis revenez \u00e0 la montre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Les quatre pr\u00e9paratifs<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Placez la montre sur son chargeur<\/strong> et laissez-la y rester pendant toute l&rsquo;op\u00e9ration.<\/li>\n\n\n\n<li><strong>V\u00e9rifiez la batterie<\/strong> : au moins 50 % de charge sont exig\u00e9s.<\/li>\n\n\n\n<li><strong>Gardez l&rsquo;iPhone \u00e0 proximit\u00e9<\/strong>, \u00e0 moins d&rsquo;un m\u00e8tre, connect\u00e9 au Wi-Fi.<\/li>\n\n\n\n<li><strong>Pr\u00e9voyez du temps<\/strong> : comptez une heure, parfois davantage. Ce n&rsquo;est pas une op\u00e9ration \u00e0 lancer cinq minutes avant de sortir.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">5. Installer watchOS 27<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Sur l&rsquo;iPhone, ouvrez l&rsquo;application <strong>Watch<\/strong>.<\/li>\n\n\n\n<li>Appuyez sur l&rsquo;onglet <strong>Ma montre<\/strong>, en bas.<\/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 pendant la recherche.<\/li>\n\n\n\n<li>Appuyez sur <strong>T\u00e9l\u00e9charger et installer<\/strong>.<\/li>\n\n\n\n<li>Saisissez le code de la montre ou de l&rsquo;iPhone si on vous le demande.<\/li>\n\n\n\n<li><strong>Laissez la montre sur son chargeur jusqu&rsquo;\u00e0 la fin.<\/strong> Elle affiche un logo Apple et une roue de progression, puis red\u00e9marre.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">6. 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>Aucune mise \u00e0 jour propos\u00e9e<\/td><td>L&rsquo;iPhone n&rsquo;est pas encore sous iOS 27<\/td><td>Mettez l&rsquo;iPhone \u00e0 jour, puis r\u00e9essayez<\/td><\/tr><tr><td>\u00ab Votre logiciel est \u00e0 jour \u00bb<\/td><td>Votre montre fait partie des mod\u00e8les abandonn\u00e9s<\/td><td>V\u00e9rifiez le nom du mod\u00e8le dans l&rsquo;app Watch<\/td><\/tr><tr><td>La mise \u00e0 jour reste bloqu\u00e9e<\/td><td>Montre trop \u00e9loign\u00e9e de l&rsquo;iPhone, ou batterie insuffisante<\/td><td>Rapprochez les deux appareils, rechargez au-del\u00e0 de 50 %<\/td><\/tr><tr><td>T\u00e9l\u00e9chargement tr\u00e8s lent<\/td><td>Serveurs satur\u00e9s le jour de la sortie<\/td><td>Lancez l&rsquo;op\u00e9ration la nuit, montre sur son chargeur<\/td><\/tr><tr><td>La montre chauffe<\/td><td>Normal pendant l&rsquo;installation<\/td><td>Laissez-la terminer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un conseil pour finir<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne lancez jamais cette mise \u00e0 jour au moment de partir. Une Apple Watch en cours de mise \u00e0 jour est inutilisable pendant une heure, et le processus ne peut pas \u00eatre interrompu. Le meilleur moment reste le soir, montre pos\u00e9e sur son chargeur pour la nuit.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Montre bloqu\u00e9e sur le logo Apple, mise \u00e0 jour qui n&rsquo;appara\u00eet pas, appairage \u00e0 refaire ? Varcap Informatique intervient \u00e0 domicile, \u00e0 Paris.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apple watchOS 27 est disponible depuis le lundi 14 septembre 2026. La mise \u00e0 jour est gratuite. Deux particularit\u00e9s \u00e0 conna\u00eetre avant de commencer : plusieurs mod\u00e8les r\u00e9cents sont \u00e9cart\u00e9s, et la mise \u00e0 jour exige un iPhone d\u00e9j\u00e0 pass\u00e9 sous iOS 27. 1. Les mod\u00e8les qui ne recevront pas watchOS 27 C&rsquo;est la coupure [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8131,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[163,973],"tags":[],"class_list":["post-8130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apple-watch","category-watchos-27"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Apple watchOS 27 sort le lundi 14 septembre 2026. La mise \u00e0 jour est gratuite. 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