Rooting your Samsung Galaxy S3 can be defined as liberating your phone. Rooting does give you higher level of experience in using your phone but however it will officially void your warranty. You can still use Triangle Way to reset flash counter but it still need additional process after root. So far it is only T-Mobile variant of Galaxy S3 that gets unique rooting method without tripping Flash Counter. Anyhow, there is always a reason to bring back your rooted Galaxy S3 to stock Android ROM, cleanly unrooted. How to do that?
We’ve previously talked how to easily root any variants of SGS3 using MSkip’s Tool. Today we gonna see how to easily unroot SGS3 using the same toolkit.
Preparation To UnRoot
1- Ensure your phone has at least 80% battery percentage
2- Also make a backup of all important data in it
3- Prepare SGS3 USB Cable, and..
4- Also use only a Windows PC / laptop
5- Download MSkip’s Galaxy S3 Toolkit via links below..
Download Galaxy S3 Toolkit for Windows
- Toolkit for Snapdragon SGS3 (AT&T, Sprint, T-Mobile version)
- Toolkit for International SGS3 (Unlocked version)
Install Necessary Drivers
1- Launch the toolkit up
2- Hit the “Next” button
3- You may need to select which version is your SGS3, hit Enter
4- Type 1 then hit Enter again
5- Turn “USB Debugging” ON via Settings >> Developer Options
6- Now connect your phone to computer using its USB cable
Unrooting Galaxy S3 – Any Models
1- Get back to the main menu of Mskip’s Toolkit
2- Select “Download, Extract, and Flash Stock ROM via Odin”
3- Select the option to download the firmware. Then select your model.
4- It should start downloading necessary stock firmware. Just wait.
5- Once done, select the option to extract the firmware and choose the firmware file you downloaded
6- Now select flash firmware via Odin
7- Odin tool will open side by side with the toolkit window
8- Now simply follow on-screen instruction in the toolkit
9- Once done, your phone will reboot.
10- That’s it.
To make you understand the whole steps easier, simply watch following video demoing how to unroot the SGS3.
Credit goes to TheUnlocker.
P.S: Proceed with your own risks. We hold no responsibility of what may or may not happen.

AbuAugust 29, 2012 at 12:03 pm
Could you mirror the toolkit for international S3 else where, there severs are under maintenance and i can’t download it