help on GU87 ATT

[panpan]

i type in the wrong password for GU87 ATT to unlock sim

coz i saw a post said A22 version and use Crack2d to find
network pass and i type 746 menu menu and chose ATT and
enter the password from network password

and now i can't enter the password anymore and the phone
is still lock D:

is there any other way i can unlock it ? ?
or too late now and i have to stick with ATT company

[datacablelondon]

If you leave the phone on for long enough, it will let you have another chance to input unlock codes.

[Mobile Lab]

just leave u phone .remove battry for just 12 hours .

after that try codes then u see code is accipted ;)