You can factory reset your iPhone and wipe all its data in the Settings app. If you don't remember your password, you can use ...

If you need to reset your iPhone to factory settings to resolve an issue, you can back it up to iCloud first and then restore ...

This video shows you the things to do before selling of giving away your iPhone. It's exciting when you get your next iPhone, but you need to be sure to properly reset iPhone to sell by making sure ...