how do you unlock a t mobile phone so that you can put a att sim card in it?

[EllaComb]

i have att my phone is slowly breaking.
how do i unlock my old t mobile phone so i can use it as att?

 

[kiran11]

HI!!!

Using the codes you can unlock your mobile because its safe for your mobile......
Get the unlocking instructions here Mobile Unlock Guide , after that get the unlock code from this site Simple Unlocking , it gives the step by step instructions to get the mobile unlocked.........