Hard Reset SAMSUNG I757M Galaxy S II HD LTE

Second method:

  1. Power on your device.
    Factory Reset SAMSUNG I757M Galaxy S II HD LTE
  2. Open the dial pad on your phone and enter: *2767*3855#
  3. Now your phone will reset and restart.
  4. Done!

Hard Reset SAMSUNG I9100 Galaxy S II - Remove Pattern Lock by Recovery Mode

Hard Reset SAMSUNG I9100 Galaxy S II - how to perform Factory Reset

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

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