Master Reset for the Sharp FX PLUS
Remove and reinsert the battery.
While the device is off, hold the Sym button (on the keyboard) and the Power button simultaneously.
The Android boot screen will appear.
Press the Home key to continue.
Using the Volume Up/Down keys, scroll to wipe data/factory reset. To select, use the Return key(on the keyboard).
Using the Volume Up/Down keys , scroll to Yes - delete all user data. To select, use the Return key(on the keyboard).
When Data wipe complete is displayed, using the Volume Up/Down keys , scroll to reboot system now. To select, use the Return key(on the keyboard).