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Apple's iOS 27 rollout demands a computer backup, not just iCloud, before updating

Apple has released iOS 27 for iPhone models back to the iPhone 11, and users are advised to create a local, computer-based archive before installing it. This is because iCloud backups only retain the most recent version, so restoring to a prior iOS release becomes impossible once a device has been backed up under iOS 27.

cnet.com · 2026-09-15

Apple users advised to create local iPhone backups before installing iOS betas

Ahead of installing an iOS public beta, users are advised to make a computer-based backup rather than relying on iCloud, since iCloud automatically overwrites backups with newer beta versions. This can leave users unable to restore a stable iOS version if they need to downgrade. The recommended process involves connecting the iPhone to a Mac or PC, creating an encrypted local backup, and archiving it manually.

engadget.com · 2026-09-05