Hard Reset SHARP GX30

Make sure, that your phone is on.
Now please press Menu button, and navigate to Settings -> Master Reset -> Reset All.
Then enter your phone lock code, and confirm with OK.
* The default phone code is: 0000 or 000000.
After that your device will reset to factory settings, and restart.
Done!

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