I'm unable to update my iPhone 15 says "update error"
Hi, I can't update iPhone 15. At the moment, version 17.5.1 is installed, when trying to update it says "update error". What to do?
[Re-Titled by Moderator]
iPhone 15, iOS 17
Question marked as
Start by making sure your phone is running on its charger, then check how much free space you have.
Also remember that 18 was released only two hours ago. Apple's server may be slammed with download demands.
Dealing with free space issues are covered in this Apple article:
Update your iPhone or iPad - Apple Support