How To Hard Reset Sony Xperia Z3 D6633 Here
will erase all your personal data, including photos, contacts, and apps. Make sure to back up anything important before starting. Method 1: Using Settings (If phone is accessible) This is the easiest way if you can still use your screen. Go to . Tap Backup & reset . Select Factory data reset . Tap Reset phone . Confirm by tapping Erase everything . Method 2: Software Repair (If phone is locked or frozen)
Make sure is highlighted (default), then press the Power button to restart the phone. How to Hard Reset SONY Xperia Z3 D6633
While holding it, via USB cable.