How to unlock your AT&T wireless cell phone?

Hello dear, follow my instructions and you will get to know how to unlock AT&Twireless cell phone:

a)

1. Insert the not accepted sim card in your AT&T wireless cell phone and turnit on.
2. The AT&T wireless cell phone will ask that if you want to enter a newunlock code (aka MEP Code)
3. Now Click Yes and Enter the unlock code and press enter
4. AT&T wireless cell phone is now UNLOCKED. Congrats.
5. Now you have to Go to "Manage Connections" and put network of MobileOn.

b)
1. Go to Options and then Device
2. Select advanced system settings then SIM card
3. Type MEPD by using your own keyboard. Note that you will not see any textover the screen.
4. Type MEP then press [ALT BUTTON] and now 2 on your own keyboard. Note that you will not see any text over the screen.
5. Now You should be presented with a commans prompt that says "EnterNetwork MEP Code". Now you just have to type in the unlock code which has been provided by 'UnlockTotalk' and just press in the wheel / jog dial in order to confirm.

Your AT&T wireless cell phone is now successfully unlocked!

Enjoy!