Before updating, ensure you have a backup via iCloud or Finder. How to Adjust Navigate to Settings > General > Date & Time.
Fix iPhone Storage Full Issues to Allow Downloads
Storage Space and Offloading Your iPhone needs sufficient free space to stage and install an app. Check Your Network Connection A weak or unstable internet connection is the most common reason why your iPhone won't download apps.
You can manage this efficiently using the Offload Unused Apps feature, which removes the app but keeps its documents and data. Toggle "Set Automatically" to the ON position.
Fix iPhone Storage Full Blocking App Downloads
To allow automatic offloading, go to Settings > App Store and toggle "Offload Unused Apps. Verify Your Apple ID and Settings If the network is solid, the next place to look is your Apple ID settings.
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