iOS 15.7 not updating to iOS 16

Hey there,

please provide a screenshot about what you see exactly when you try to update!

also what is your iPhone? And what is the iOS version that is running now on your iPhone? You can find that by going to settings > General > about > iOS version!

Turn off low power mode, and plug your iPhone to the charger, and make sure that battery has more than 50% , and turn off the VPN if you use it !

If all of that doesn’t help Learn what to do if you see an alert message while trying to update your device wirelessly.

Some software updates aren't available wirelessly. VPN or proxy connections might prevent your device from contacting the update servers.