My iphone 7 is unavailable at the moment
How.do I fix the unavailable mode on my iphone 7+
iPhone 7 Plus, iOS 15
Question marked as
The iPhone is Unavailable because you....or someone else.....entered the wrong passcode too many times.
If your iPhone is running iOS 15.2 or higher........you can use the instructions linked just below:
How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support
If your iPhone is not running iOS 15.2 or higher........please use the instructions linked below, but note that you must use a PC or Mac.
If you forgot your iPhone passcode - Apple Support
If you have a backup of the phone, you can use the backup to restore the data on the phone during the new setup.