FULL FACTORY RESET. Format complete EEPROM
Remove SIM
You must activate test mode. Press (at the same time and about 5 seconds until white display is shown) 0, 3, top right and power on keys.
Next press 0, 1, 2, 3 and top right keys, in sequence. The Diagnosis menu should be displayed.
Enter 99 and press the top right key. A message should be displayed saying "Input Mode No":
Next press 1 and top right key to EEPROM format. The following messages should appear (wait about 2 minutes):
· EE_FORMAT START
· EE_FORMAT OK
· EE_INIT(1) START
· EE_INIT(1) OK
· BBSRAM CLEAR END
· FINISHED
· PLEASE ANY KEY
Wait until all the above messages are displayed and then press the top right key.
Press the M key (very important). Message should display "Diag Param Saving".
Press red key to power down the phone. Remove and put the battery.
Phone is alive again!!!