How can I update my iPhone 7 to ios 16

"How can I update my iPhone 7 to ios 16"

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Updating an iPhone 7 Past iOS15:

A. You can't.  The iPhone 7 will only install to iOS 15.7.8. See here: Update your iPhone or iPad Software if you're Experiencing Issues with Location, Date, and Time - Apple Support. And, for the note, even if you could update, only the latest compatible version will install.

So, what to Try:

B. Update Using a Computer:

Have a Computer Handy? If so, try using a computer to update. Use my User Tip Update your iPhone Using a Computer - User Tip. If any updates are availabe, they will install, sure enough

Update my iPhone to iOS 15