Ios 16 for iPhone 7 Plus
iPhone 7 Plus, iOS 15
iPhone 7 Plus, iOS 15
What exactly is your question or issue with your iPhone 7 ... updating iOS 15, or trying to upgrade to iOS 16. The latter will not be possible.
Ref: iOS 16 and iPadOS 16 are compatible with these devices - Apple Support
What exactly is your question or issue with your iPhone 7 ... updating iOS 15, or trying to upgrade to iOS 16. The latter will not be possible.
Ref: iOS 16 and iPadOS 16 are compatible with these devices - Apple Support
Only iOS 15.7.3 is currently available for an iPhone 7 Plus
Ios 16 for iPhone 7 Plus