Hard Reset MOTOROLA L800t

To succeed this operation phone must be working, to do it press Power button.
Afterwards open the Main menu now open Settings and find Security.
To open Security settings enter lock code. (The default code is 0000 or 1234)
Select Erase/Reset and confirm it Reset Phone.
Read the disclaimer and tap left Softkey to confirm Factory reset operation.
After restart device should now work properly.

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