zurückwechseln https://support.apple.com/en-us/HT203282 https://support.apple.com/en-us/HT203282 Anleitung geschrieben https://support.apple.com/en-us/HT203282 archive it instructions Supportdokument About iOS beta software - Apple Support documentation https://support.apple.com/en-us/HT203282 https://support.apple.com/en-us/HT203282 Apple bu Anleitung geschrieben About iOS beta software - Apple Support About iOS beta software - Apple Support questa pagina, dieser Support-Seite About iOS beta software - Apple Support detaillierte Anleitung 日本の同一サポートページ What to do before you install iOS beta https://support.apple.com/en-us/HT203282 وهنا طريقة ذلك. iOS 11 beta support document switch from an iOS beta version About iOS beta software - Apple Support About iOS beta software - Apple Support iOS 11 beta در این لینک Yes you can pubblicando la sua procedura di downgrade del sistema këtë faqe support.apple.com/en-us/HT203282 https://support.apple.com/en-us/HT203282 Apple recommends you “archive” the backup https://support.apple.com/en-us/HT203282#nonbeta knowledge base articles Apple has detailed instructions About iOS beta software Source：Apple Support About iOS beta software - Apple Support https://support.apple.com/en-us/HT203282 Apple’s official page 米国のサポートページ roll back Apple has a downgrade guide iOS 11 beta https://support.apple.com/en-us/HT203282#revert Learn more about how to erase and install iOS documentation back up your iOS device About iOS beta software Learn more about how to erase and install iOS https://support.apple.com/en-us/HT203282