We of SamMobile would like to give you the latest I9300XXUFMB3 – Android 4.2.1 Jelly Bean test firmware for the Galaxy S III. Big Thanks to forum member Saturn from XDA-Developers who made this possible by giving us the dump files from his device. Android 4.2.1 is still under testing phase by Samsung and they … Continue reading I9300XXUFMB3 – Galaxy S III Android 4.2.1 Jelly Bean LEAKED firmware