{"id":401267,"date":"2025-09-17T05:25:40","date_gmt":"2025-09-17T09:25:40","guid":{"rendered":"https:\/\/www.macobserver.com\/noticias\/como-hacer-un-downgrade-de-ios-26-a-ios-18-5\/"},"modified":"2025-09-18T08:35:51","modified_gmt":"2025-09-18T12:35:51","slug":"como-hacer-un-downgrade-de-ios-26-a-ios-18-5","status":"publish","type":"post","link":"https:\/\/www.macobserver.com\/es\/guia-practica\/como-hacer-un-downgrade-de-ios-26-a-ios-18-5\/","title":{"rendered":"\u00bfC\u00f3mo hacer un downgrade de iOS 26 a iOS 18.5?"},"content":{"rendered":"\n<p>Si actualizaste a <strong>iOS 26<\/strong> y te arrepientes, tal vez tu iPhone va lento, la duraci\u00f3n de la bater\u00eda se ha reducido dr\u00e1sticamente o algunas aplicaciones a\u00fan no funcionan bien, todav\u00eda puedes volver atr\u00e1s. Apple est\u00e1 firmando actualmente <strong>iOS 18.5<\/strong>, lo que significa que puedes hacer un downgrade de tu dispositivo siempre y cuando esa ventana permanezca abierta. Una vez que Apple deje de firmar 18.5, los downgrades no ser\u00e1n posibles.  <\/p>\n\n<p>Aqu\u00ed te explicamos c\u00f3mo hacer retroceder tu iPhone de forma segura.<\/p>\n\n<h2 class=\"wp-block-heading\">Qu\u00e9 debes saber antes de empezar<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Las copias de seguridad no retroceden<\/strong>: si creaste una copia de seguridad en iOS 26, no puedes restaurarla en iOS 18.5. Necesitar\u00e1s una copia de seguridad anterior de 18.5 o configurar tu iPhone como nuevo. <\/li>\n\n\n\n<li><strong>Necesitas un Mac o un PC<\/strong> con Finder (macOS) o iTunes (Windows).<\/li>\n\n\n\n<li><strong>Necesitas el archivo IPSW de iOS 18.5<\/strong> para tu modelo de iPhone exacto. Solo descarga IPSW de fuentes de confianza. <\/li>\n\n\n\n<li><strong>Esto borra tu iPhone<\/strong>: el downgrade borra todo, as\u00ed que haz una copia de seguridad de lo que puedas primero.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Paso 1: descarga el IPSW de iOS 18.5<\/h2>\n\n<p>Dir\u00edgete a un sitio de confianza como <a target=\"_blank\" href=\"https:\/\/ipsw.me\/product\/iPhone\">ipsw.me<\/a> y descarga el <strong>firmware de iOS 18.5<\/strong> para tu modelo de iPhone. Aseg\u00farate de que diga \u201cSigned\u201d (Firmado), eso significa que Apple todav\u00eda permite la instalaci\u00f3n. <\/p>\n\n<h2 class=\"wp-block-heading\">Paso 2: conecta tu iPhone a tu ordenador<\/h2>\n\n<ol class=\"wp-block-list\">\n<li>En un Mac con macOS Catalina o posterior, abre <strong>Finder<\/strong>.<\/li>\n\n\n\n<li>En Windows o macOS anterior, abre <strong>iTunes<\/strong>.<\/li>\n\n\n\n<li>Conecta tu iPhone con un cable Lightning o USB-C.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\">Paso 3: pon tu iPhone en modo de recuperaci\u00f3n<\/h2>\n\n<p>Dependiendo de tu modelo de iPhone:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>iPhone 8 y modelos m\u00e1s recientes<\/strong>: Pulsa y suelta r\u00e1pidamente <strong>Subir volumen<\/strong>, luego <strong>Bajar volumen<\/strong>, luego mant\u00e9n pulsado el <strong>bot\u00f3n lateral<\/strong> hasta que veas la pantalla del modo de recuperaci\u00f3n.<\/li>\n<\/ul>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"530\" src=\"https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-67.png\" alt=\"iPhone en modo de recuperaci&#xF3;n\" class=\"wp-image-401029\" srcset=\"https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-67.png 460w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-67-260x300.png 260w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-67-182x210.png 182w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-67-400x461.png 400w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/figure>\n<\/div>\n<ul class=\"wp-block-list\">\n<li><strong>iPhone 7\/7 Plus<\/strong>: Mant\u00e9n pulsado <strong>Bajar volumen + bot\u00f3n lateral<\/strong> hasta que aparezca el modo de recuperaci\u00f3n.<\/li>\n\n\n\n<li><strong>iPhone 6s o anterior<\/strong>: Mant\u00e9n pulsado <strong>Inicio + bot\u00f3n superior\/lateral<\/strong>.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Paso 4: instala iOS 18.5<\/h2>\n\n<ol class=\"wp-block-list\">\n<li>En Finder o iTunes, localiza tu iPhone.<\/li>\n\n\n\n<li>Mant\u00e9n pulsada la tecla <strong>Opci\u00f3n (Mac)<\/strong> o <strong>May\u00fasculas (Windows)<\/strong> y haz clic en <strong>Restaurar iPhone<\/strong>.<\/li>\n\n\n\n<li>Selecciona el <strong>archivo IPSW de iOS 18.5<\/strong> que descargaste.<\/li>\n\n\n\n<li>Confirma y deja que tu ordenador borre tu iPhone e instale iOS 18.5.<\/li>\n<\/ol>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"323\" src=\"https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68.png\" alt=\"restaurar iphone en finder\" class=\"wp-image-401033\" srcset=\"https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68.png 768w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68-300x126.png 300w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68-330x139.png 330w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68-400x168.png 400w, https:\/\/www.macobserver.com\/wp-content\/uploads\/2025\/09\/image-68-600x252.png 600w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n<p>Este proceso puede tardar entre 10 y 20 minutos.<\/p>\n\n<h2 class=\"wp-block-heading\">Paso 5: configura tu iPhone<\/h2>\n\n<p>Una vez que finalice el downgrade:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Si tienes una <strong>copia de seguridad antigua de iOS 18.5<\/strong>, rest\u00e1urala.<\/li>\n\n\n\n<li>Si no, config\u00faralo como un nuevo dispositivo y sincroniza tus datos desde iCloud, Fotos, Mail u otros servicios.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u00bfDeber\u00edas hacer un downgrade?<\/h2>\n\n<p>iOS 26 trae nuevas funciones como <a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/guia-practica\/como-activar-y-usar-el-filtro-de-llamadas-en-ios-26\/\">Call Screening<\/a>, <a target=\"_blank\">Hold Assist<\/a> y <a target=\"_blank\">Genmoji<\/a>. Pero si tu experiencia diaria es peor, ya sea por <a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/guia-practica\/por-que-ios-26-va-tan-lento-causas-y-soluciones\/\">lag<\/a> o <a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/guia-practica\/drenaje-de-bateria-en-ios-26-7-ajustes-probados-para-solucionarlo\/\">agotamiento de la bater\u00eda<\/a>, volver a 18.5 puede darte un respiro hasta que Apple solucione los problemas. <\/p>\n\n<h2 class=\"wp-block-heading\">Gu\u00edas relacionadas<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/guia-practica\/ios-26-se-atasca-en-actualizacion-solicitada-aqui-te-explicamos-como-solucionarlo\/\">\u00bfiOS 26 se atasca en Solicitud de actualizaci\u00f3n? Soluci\u00f3nalo <\/a><\/li>\n\n\n\n<li><a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/ios-es\/como-solucionar-el-sobrecalentamiento-de-ios-26-solucion-rapida\/\">iOS 26 se sobrecalienta: c\u00f3mo solucionarlo<\/a><\/li>\n\n\n\n<li><a target=\"_blank\" href=\"https:\/\/www.macobserver.com\/es\/guia-practica\/todos-los-errores-e-incidencias-notificados-de-ios-26-con-sus-soluciones\/\">Todos los errores y correcciones de iOS 26 informados<\/a><\/li>\n<\/ul>\n\n<p>Puedes hacer un downgrade de <strong>iOS 26 a iOS 18.5<\/strong> mientras Apple siga firm\u00e1ndolo. Descarga el IPSW, restaura con Finder o iTunes y vuelve a configurar tu iPhone. Solo recuerda que las copias de seguridad de iOS 26 no funcionar\u00e1n; necesitar\u00e1s una copia de seguridad anterior o empezar de cero.  <\/p>\n\n<p><\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si actualizaste a iOS 26 y te arrepientes, tal vez tu iPhone va lento, la duraci\u00f3n de la bater\u00eda se ha reducido dr\u00e1sticamente o algunas aplicaciones a\u00fan no funcionan bien, todav\u00eda puedes volver atr\u00e1s. Apple est\u00e1 firmando actualmente iOS 18.5, lo que significa que puedes hacer un downgrade de tu dispositivo siempre y cuando esa [&hellip;]<\/p>\n","protected":false},"author":19675,"featured_media":389485,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_metadesc":"Apple est\u00e1 firmando actualmente iOS 18.5, lo que significa que puedes hacer un downgrade de tu dispositivo siempre y cuando esa ventana permanezca abierta.","footnotes":""},"categories":[82133,82102],"tags":[82231],"work":[],"class_list":["post-401267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guia-practica","category-sin-categoria","tag-actualizaciones-de-os-26"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfC\u00f3mo hacer un 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