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The AT&T version of Samsung Galaxy S3 (SGH-I747) has
already received Android 4.3 Jelly Bean Over-The-Air (OTA) update with firmware
build number I747UCUEMJB.
Samsung Galaxy S3 (AT&T) SGH-I747 users who have already updated their
devices with Android 4.3 Jelly Bean, may root their devices using the tutorial
below.
This tutorial uses CF-Auto-Root file released by Senior XDA-Developers,
Chainfire. Head over to the CF-Auto-Root main
thread to learn more about the root method.
Disclaimer: Rooting voids the warranty of your device. We and the
developer of this rooting procedures shall not be held responsible if any
undesirable outcomes may happen to your device. use of this root guide is
solely at your own risk!
Pre-requisites
1. Install USB Drivers for
Samsung Galaxy S3 on the computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >>
Developer Options.
3. Make a backup of all your important data before following the guide.
4. Ensure the battery of the phone is charged more than 80 percent.
5. The CF-Auto-Root file works only on the AT&T version of Galaxy S3
(SGH-I747). Applying this to any incorrect variant might brick the device.
Verify the model number of the Galaxy S3 by navigating to Settings >>
About Phone.
Files Required
1. CF-Auto-Root (Mirror Link) for Galaxy S3 (AT&T)
SGH-I747 (CF-Auto-Root-d2att-d2uc-samsungsghi747.zip)
2. Odin 3.07
Steps to Root Galaxy S3 (AT&T) SGH-I747 Running on Android 4.3 Jelly Bean
Firmware
Step 1: Extract CF-Auto-Root and Odin 3.07 files using WinRAR/7-Zip/WinZip or
any other extracting tool.
Step 2: Switch off the Galaxy S3. Then boot the device into Download Mode
by pressing and holding Volume Down, Home and Power buttons
together until a construction Android robot icon with a warning triangle
appears on screen. Now press the Volume Up button to enter Download
Mode.
Step 3: Launch Odin on the computer as an Administrator.
Step 4: Connect the Galaxy S3 to the computer using USB cable while it is
in the Download Mode. Wait until Odin detects the device. When the device is
connected successfully, the ID: COM box will turn to light blue with the COM
port number. Additionally, the successful connected will be indicated by a
message saying Added.
Note: If the Added message does not appear, then try re-install USB
drivers or changing the port on the computer.
Step 5: In Odin, click the PDA button and select the CF-Auto-Root-d2att-d2uc-samsungsghi747.tar.md5 file.
Step 6: Verify that Auto Reboot and F. Reset Time checkboxes
are selected in Odin. Also, ensure the Re-Partition option is NOT
selected.
Step 7: Double-check and click Start button in Odin. The
installation process will now begin.
Step 8: Once the installation process completes, your phone will restart
and soon you will see a PASS message with green background in the
left-most box at the very top of the Odin. You can now unplug the USB cable to
disconnect it from the computer.
Samsung Galaxy S3 (AT&T) SGH-I747 running on Android 4.3 Jelly Bean is now
rooted successfully. Open the app drawer of the phone and check for an app
called SuperSU. Verify the root status of the device by downloading Root Checker app from Google
Play Store.
Note: Many Samsung devices store a flash counter that keeps track of how
many times you have flashed custom firmwares to your device. Triangle Away can be used to
reset the flash counter to zero.
How to Fix "Unfortunately, SuperSU has stopped"?
Step 1: Download and install the latest APK of SuperSU on your device.
Step 2: Open SuperSU app (update the binary if prompted) and allow it to
disable KNOX.
Step 3: Reboot your device.
Thank's to all fellas at XDA who first tried out this rooting technique. This
method was originally posted via XDA-Developers original
thread.
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