change the rom in the latest one 
here is the english rom
UK ROM
Code:
0. Make sure your phone battery is fully charged.
1. Turn off your phone.
2. Remove and reinsert the phone battery.
3. Press and hold first the volume down button on the phone and then the phone power button.
4. Continue holding the two buttons (volume down + power button) down until the phone display turns on and displays colored stripes.
5. Release the buttons.
6. Attach the USB-mini cable to the phone and the PC.
7. Take a cold beer :).
Delay a few minutes, or alternativity take a short nap
8. Follow included instructions.
9. Read again.