To reset your iPhone, you need to do a few things. First, you have to open the Settings on your iPhone. Then you have to tap on General. After that, you select Transfer or Reset iPhone. Now you have to choose Erase All Content and Settings. This is how you do a reset of your iPhone. You will be asked to enter your passcode and confirm that you want to do this. You should know that this will delete all the data on your iPhone, so it is an idea to back up your iPhone first. You can use iCloud or iTunes to back up your iPhone. After you reset your iPhone, it will. It will be like it was when you first got it. It will be ready for you to set it up again. You can restore it from a backup of your iPhone.