Samsung galaxy s3 gt-i9300 (original firmware) official flash file download & see instructions how to flash stock rom in your samsung galaxy s3 gt-i9300. how to flash samsung galaxy s3 gt-i9300 stock rom using odin 1: download and install samsung usb drivers on your pc. in case you have previously installed the samsung usb drivers on your pc then skip this task. 2: download stock rom and. - ஜ
