First with different carrier SIM in phone at WRONG CARD screen ENTER on the keypad
*2767*3855# (wait 10-15 seconds) phone will reboot(restart)
When phone completes reboot ENTER
*7465625*638*00000000*00000000#
NEXT ENTER
#7465625*638*00000000#
AND THEN *#7465625# to check the locks....all locks are inactive...these are all the locks...
network lock - inactive
subset lock - inactive
sp lock - inactive
cp lock - inactive
sim lock - inactive
activa lock - inactive
phone lock - inactive
auto network - inactive
auto subset lock - inactive
auto sp lock - inactive
auto cp lock - inactive

via
http://forum.gsmhosting.com/vbb/showthread.php?t=429469

*2767*3855# => ??? (restarts the phone in test mode, bypassing locks...?)
*7465625*638*00000000*00000000# => *pinlock*net*[password]*[confirm password]*

Tags: cellphone, unlocking