How to update my iPhone to iOS 15?
Update my iphone to ios15
[Edited by Moderator]
iPhone 8, iOS 14
Question marked as
iOS 15 is no longer available for models not running some version of it already.
An iPhone 8 supports iOS 16, and will only be able to update to iOS 16.1.2 currently.
Go to Settings➜General➜Software Update to update.