how can i update my iphone t the latest ios version
how to download the latest ios version on my iphone 7 plus
iPhone 7 Plus, iOS 15
Question marked as
An iPhone 7plus can only be updated to iOS 15.8, no higher.
Go to Settings > General > Software Update.
This link will show you how to update your iPhone, iPad, or iPod touch using WiFi -
Update your iPhone or iPad - Apple Support
This link will show you how to update using your computer -
Update iOS on iPhone - Apple Support