Downgrade Galaxy S3 (AT&T) Back to Stock Touchwiz 4.1.2 Without Unrooting

You upgraded your Galaxy S3 to the Stock touchwiz 4.3 and now you hate your phone, I know just how to fix that.

Assuming you are rooted (Due to the title) go to the Play Store and download a program called "Rom Manager" This will allow you to install Clockworkmod for your device.

Once you flash the new recovery head over to the following link to obtain your 4.1.2 Stock Rom copy.

http://forum.xda-developers.com/showthread.php?t=2388065

Once downloaded, restart your phone. Then open Rom Manager, and you can click "install custom rom" or just shut off your phone, Hold Volume Up + Home + Power all at the same time, till you get a tiny blue text "Booting into recovery"

The navigation buttons are Volume up, and down, and power to select.

First off you should start with a data wipe, and a Cache wipe, and a dalvik cache wipe. (VERY IMPORTANT!!!)

Browse to your download folder (if you have an SD card, thats where it will be) and find the rom AKA "AT&T UCMG2.zip" and press Power to select.

It will show some on screen stuff, just sit back and let it work. When it says it's complete, reboot the system and you're good to go! Congrats on your new S3 again :)

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