How to Hard Reset Sony Xperia Arc S LT18i

Step by step how to reset Sony Xperia Arc S LT18i using dial number caused locked pattern or You want to restore the factory settings.

  1. Turn on the phone.
  2. On the pattern screen, touch Emergency Call.
  3. Type a dial number *#*#7378423#*#*.
  4. Customization Settings → Reset Customization → Reset.
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