I'm unable to update my iPhone or download apps
It not letting me update my phone
[Re-Titled by Moderator]
Which iPhone do you have?
The iPhone 5s, 6, and 6 Plus can update to iOS 12, but cannot update to iOS 13 or later.
The iPhone 6s, 6s Plus, SE (1st generation), 7, and 7 Plus can update to iOS 15, but cannot update to iOS 16 or later.
The iPhone 8, 8 Plus, and X can update to iOS 16, but cannot update to iOS 17.