Hard Reset SONY Xperia X F5121

Third method:

  1. If the display is off, press the Power key to turn it back on.Hard Reset SONY Xperia X F5121
  2. In the next step open the phone's dialer and type in: *#*#7378423#*#*.Remove screen password on SONY Xperia X F5121
  3. From the menu which should appear on the screen choose option Customization Settings and then Reset customization.
  4. Confirm information: "data will be cleared and factory data reset will perform".
  5. Accept by pressing Reset customization and reboot.
  6. Well done! You have just performed the hard reset operation

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WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

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