Here's the procedure:
Insert your desired sim card (I use Talk @ text card/Philippines network )
Power on the unit:
press Menu then go to settings,sim center:
Once you're in the sim center, press enable sim lock:
enter sim pin - 1234 then press enable then exit at the menu again:
Press menu again, as you can see there is new option wich is Unlock sim card:
Now go to settings and sim cente again,,press Chnge sim pin then enter old
sim pin ( 1234 ) then new sim pin ( 0000 ) as confirm ( 0000 ) then submit:
Now you will see activation wait for 48 hours,,,just press menu + L key(botton) to leave the activation.:
Got ot settings again then network option (wireless on must be checked),
Scroll down then scan manually:
looking for network,some phones scan slow so repeat scan if fails...:
YOu will seee the network provider ,then select press done.
now Phone is unlocked free