Samsung Galaxy S3 Unlock code

[jimmyjohn]

Hiya, could anyone help me with unlocking my Samsung galaxy s3 which
is on t-mobile network?
Thank you

[mini]

I unlocked mine through the hidden menu and it worked 100% while I was on tmobile.... you may have to downgrade to 4.0.2 I think, I cant remember but its on xda....

or try this>>>

https://play.google.com/store/search?q=s3%20unlock&hl=en_GB

you will most likely have to have your phone rooted...
to root check xda