Samsung Galaxy S 3 (Australia) (GT-I9300T) Firmware Overview
What is the latest GT-I9300T firmware?
I9300TDUUGNA4, released February 25, 2014 for region THL with Android 4.1–4.3. It is a feature update on bootloader binary 30. The archive holds 2 official builds for this region.
Is the Samsung Galaxy S 3 (Australia) still getting updates?
Most likely not: there has been no new firmware since February 2014, so Android 4.1–4.3 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the GT-I9300T firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 30:
- Binary 30 — since Jan 2014
GT-I9300T firmware for region THL
How to Flash GT-I9300T Firmware
Put the Samsung Galaxy S 3 (Australia) into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 30 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.