Samsung starting from the month of March should release android 4.2.1 Jelly Bean for Galaxy S 3 and today as the sign of the official firmware is released, Galaxy S3 get the first leaked firmware based on the latest major release of Android. The firmware is available for the flash via Odin thanks to a user forum of XDA-Developers. I9300XXUFMB3 firmware for Galaxy S 3 is based on Android 4.2.1 Jelly Bean and is the System dump provided by XDA user, that deserves a lot of thanks. Still do not know the main innovations of the firmware but according to initial reports the changelog would be composed of: 4.2.1 Android – build JOP40D Improved ripple effect in lockscreen Lockscreen with support for widgets Daydream What's new in the notification Center New voice commands for galaxy s3 to use Here is the link from where you can download the file to flash. I9300XXUFMB3 if you don't know how to flash it read how to flash firmware to galaxy s3 via odin . SamMobile wants t...