Phone locked to AT&T:
Remove the
sim card and power the phone on. It will say insert
SIM card or something similar. Press the hash button (#) then press the star(*) button three times until you get a "p". Press star(*) four times until you get a "w". Press star(*) twice until you get a plus(+).
Now you need to enter this exact code:446 477 670 406 676
Press star(*) twice until you get a plus(+). and then press seven (7)
The code should look like this: #pw+446 477 670 406 676+7
If your satisfied that the screen looks exactly like this code then press hash (#).
The phone should say
SIM restriction off or something similar.