How to unlock samsung galaxy s3 Unlock

*NOTE: YOU MUST BE ON ANDROID OS OR LOWER FOR THIS METHOD TO WORK! IF YOUR ON OR HIGHER THERE IS A SIMPLE WAY TO DOWNGRADE YOUR OS BACK TO . SEARCH ON YOUTUBE HOW TO DOWNGRADE TO AND YOU WILL BE ABLE TO FOLLOW THE SAME STEPS I AM SHOWING ON THE VIDEO! THAT IS WHY ONE DID NOT WORK! This will let you use your galaxy s3 for any sim card in the world. It is a permanent unlock and will not damage your phone at all. Also gets 4g LTE for t-mobile. Will only work on at@t galaxy s3 Here