How do I update iOS 12.5 to iOS 16. iOS 12.5 up to iOS 16 require multiple steps. Make sure your device supports iOS 16. Back up your device to iCloud, iTunes or both. Go to Settings on a stable WiFi network. General software update. Install iOS 16. Accept the conditions that appear on the screen. After restarting, make use of your Apple ID to set up iOS 16. Restore backups, reinstall programs, and change settings. Enjoy iOS 16's new features! This video will show you how you can move from iOS 12.5 (or earlier) to iOS 16 step-by-step.

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