Step 1: Download recovery-clockwork-touch-5.8.4.3-i9300.tar [Direct Link] and Odin_v3.04_Files.zip [Direct Link].
Step 2: Extract the contents of Odin’s ZIP file using a suitable software (we’re fans of PeaZip). Launch Odin3_v3.04.exe.
Step 3: Shut down your Galaxy S III. Press and hold Home, Volume Down, Power buttons until you see a big, scary Warning! screen. Press Volume Up to get into Download Mode.
Step 4: Connect your device with your PC using a USB cable. Odin should detect your device; you’ll see an Added! message in Odin.
Step 5: Click on PDA and select the .tar file you downloaded in Step 1.
Step 6: Ensure that only Auto Reboot and F. Reset Time are enabled in ODIN.
Step 7: Click on Start under ODIN to begin the flashing process.
