To do Hard Reset Samsung Galaxy S3 GT-i9300 there are mainly three ways : 1.  Hard reset Samsung s3 by using the phone Dialpad. This is the best method for those who don't have good knowledge of the Operating System of the phone. To do this you need to:• Dial the number *2767*3855# in … [Read more…] about Hard Reset Samsung Galaxy S3 GT-i9300