How to Unlock Samsung A157 from AT&T by Unlock Code
Here is an unlocking example of the Samsung SGH-A157 or A157 from AT&T. Once unlocked, the customer is using it with the T-Mobile Network.
Samsung A157 Unlocking Instructions:
1. Go to the dial screen and press: #7465625*638*UNLOCKCODE# (8 digit unlock code)
2. Phone will say Unlock successful
3. The New sim card should work great!
