l want to install Facebook in App Store but it’s says you must update your phone to iOS 15.1 first before if you want to download that app
[Re-Titled by Moderator]
iPhone 7 Plus, iOS 14
This explains.
Update your iPhone or iPad - Apple Support
Expect to be updated to iOS 15.8.3, which is perfectly fine. Facebook requires iOS 15.1 or greater.
If you are behind on updates, you may need to used the "connect to computer" instructions in the article sberman links.
Updating wirelessly requires more storage space on your device than the size of the update file. Recent iPadOS updates have been in the vicinity of 5 to 6GB, so you need about 10GB free on your iPad. If you cannot make space, use the "connect to computer" method.
How can I update my iPhone to iOS 15.1?
