Android 4.1.1 Jelly Bean I9300XXDLH4 for Galaxy S3 has just leaked, reports Sam Mobile. As reported earlier Samsung will update Galaxy S3 to Android 4.1 Jelly Bean on August 29, but a test Jelly Bean firmware is now available online to download. The build of the leaked firmware is I9300XXDLH4.
As firmware is not an official firmware so try it at your risk. We will not be responsible for any kind of damage happened to your device by installing this leaked Jelly Bean I9300XXDLH4 firmware.
source: Sam Mobile