Check out the SONY secret codes that will factory reset your device. By using this trick you can easily perform the hard reset operation on SONY Xperia Z3.1- First step: First of all, turn off your Sony Xperia M completely. If you can't unlock the screen, press and hold the power button for about 20 seconds and the phone will turn off. 2- Second step: Simultaneously press the power key and the volume key down on the Sony Xperia M for a few seconds. How to accomplish the factory reset? How to reset screen password? How to enter the recovery mode? How to remove pattern lock? How to reset your device? How Boot SONY XPERIA 5 to flashmode with using: Volume Down Button and connect to USB cable at No.1 above; Follow the menu at our computer display, it is easy to understand the steps. #Option 3, Hard Reset SONY XPERIA 5 with Hardware Key Button: Make sure the battery fully charge; Do not forget to backup all important data; Turn off the SONY XPERIA 5 Do you want to hard reset a Sony Xperia ? Your device is locked with a pattern lock, a passcode or a pin ? So you have no choice but to factory reset your So
About hard reset. 1. turn off the phone 2. Hold both right and left buttons (the ones right under the screen, dont know the name) 3. press power button, while still holding the others maybe it's usefull for someone, dont' let it starving in