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For those of you with AT&T Galaxy S3 SGH-i747 and T-Mobile Galaxy S3 SGH-T999 (NEW), you can now try the leaked Android 4.3 stock firmware that will bring your device up to latest Samsung Android 4.3 firmware.
Now, with the latest Android 4.3 firmwares, Samsung includes new “Knox” security, which may cause pain for rooted users as it records whether you have a rooted device or not. I highly DO NOT recommend the regular route as it’s only going to install Knox security, which you probably don’t want.
Luckily for rooted users, you can go ahead and grab the rooted, Knox-free version that you can easily install using CWM or TWRP recovery. This will also let you keep your custom recovery without having to unroot and also get root easily (as there’s probably no way to root the new build yet).
Latest Android 4.3 comes with many upgrades, main one being that performance/better battery life that Android 4.3 brings along with OpenGL 3.0 support for graphics. Also, you will find that the leaked Android 4.3 supports Galaxy Gear watch out of the box, allowing you to easily install Gear Manager app just with a tap using NFC.
Many other upgrades are in place including S-Voice (like on Galaxy S4/Note 3), Screen Mirroring, new Light Effect in Lockscreen, Multi-Window themed like Galaxy S4/Note 3, and much more.
Overall, you can pretty much get a peek at the Android 4.3 release on the Galaxy S3 so definitely try it out this week(end) and do let me know what you think!
To install, reboot into CWM or TWRP recovery, backup ROM, wipe data/factory reset, install ROM, install MJ2 4.3 Modem, install Insecure Kernel, then reboot.
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You will need a rooted Galaxy S3 to install all ROM/kernels.
NOTE: PLEASE ONLY INSTALL ROMS INTENDED FOR YOUR VERSION OF GALAXY S3! Otherwise you WILL BRICK YOUR PHONE and I will not be responsible!
First time to rooting and custom ROMs? Please see our Galaxy S3 Root FAQ FIRST! Note: T-Mobile Galaxy S3 ROMs are compatible with Canadian Wind, Mobilicity, and Videotron Galaxy S3s.
AT&T Galaxy S3 ROMs are compatible with Canadian Bell, Telus, and Sasktel Galaxy S3s.