- Rooted Galaxy S III I9300 with ClockworkMod recovery
- CM10.1 ZIP Package
- Google Apps for Android 4.2
- 50% or more battery remaining
Step 1: Download both the CM10.1 package for Galaxy S III I9300, and the Google Apps ZIP for Android 4.2, and copy them to the root of your device’s SD card.
Step 2: Reboot your Galaxy S III into recovery using the hardware keys.
Step 3: In CWM recovery, select Install ZIP from SD card, followed by choose ZIP from SD card, and flash the CM10.1 ZIP package.
Step 4: Repeat the above step and flash the GApps package to your International Galaxy S III.
Step 5: Now, after having flashed both packages, select wipe data/factory reset in recovery. It’s imperative that you do this; otherwise, you’ll be stuck in a boot loop.
Step 6: Reboot the device.