After leaking Android 4.3 for the Galaxy S4 and the Galaxy Note II, we finally managed to obtain a test build for the Galaxy S III (GT-I9300) – I9300XXUGMJ9. This is the first ever Android 4.3 leak for the Galaxy S III and we would like to thank our insider as this test build was really difficult to get hold of.
We have been testing the firmware for a few days and it’s very stable. However, as it’s a test build there might be a few bugs here and there, so make sure to backup all your stuff before flashing this test firmware on your device. Samsung never updated Galaxy S III and Galaxy Note II to Android 4.2 and decided to update them directly to Android 4.3 instead. Do keep in mind that this is only a test build and Samsung may add or remove features in future test builds of Android 4.3.


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