Can you do an unlock on a Samsung Galaxy S3 T-mobile?

[andrey_astanin]

The phone is originally for t-mobile, it has been unlocked and need to know if there is a way to undo it.

 

[jackjessi]

Do you want to unlock your samsung galaxy s3 mobile? First you can visit this site Simpleunlocking.com here you can get the unlock code and unlock your samsung galaxy s3 mobile. Using the free mobile unlocking instructions from this site Mobileunlockguide.com