The U.S. Cellular subscribers of Samsung Galaxy S4 (SCH-R970) has started receiving Android 4.3 Jelly Bean update with firmware build number R970TYUEMJA. The new official firmware is currently available as an Over-The-Air (OTA) update as well as through Samsung KIES.

Samsung Galaxy S4 (U.S. Cellular) SCH-R970 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 Elite Recognized XDA Developers, Chainfire. The CF-Auto-Root file allowing Galaxy S4 users to root their devices easily without depending on the firmware. It completely supports Android 4.3 Jelly Bean and future firmware as well. 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 S4 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 U.S. Cellular version of Samsung Galaxy S4 (SCH-R970). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy S4 by navigating to Settings >> About Phone.

File Required
1. CF-Auto-Root for Galaxy S4 (U.S. Cellular) SCH-R970 (CF-Auto-Root-jflteusc-jflteusc-schr970.zip)
2. Odin 3.07

Steps to Root Galaxy S4 (U.S. Cellular) SCH-R970 Running on Android 4.3 Jelly Bean Firmware
Step 1: Extract CF-Auto-Root and Odin 3.07 files using winrar/7zip/winzip or any other extracting tool.
Step 2: Switch off the Galaxy S4. 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 S4 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-jflteusc-jflteusc-schr970.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 in Odin. The installation process will now begin.
Step 8: Once the installation process is completed, 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 your device from computer.

Samsung Galaxy S4 (U.S. Cellular) SCH-R970 running on Android 4.3 Jelly Bean firmware is now rooted successfully. You can now install any app that requires root permission. Verify the root status of the device by downloading Root Checker app from Google Play Store.

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Samsung Galaxy S4 (Verizon) SCH-I545 users who have already updated their devices with Android 4.2.2 VRUAME7 Jelly Bean, may root their devices using the tutorial below.

This tutorial uses Root Exploit package created by Recognized XDA-Developers, DooMLoRD, which later modified by PWM978 to make it work on Galaxy S4 (Verizon) SCH-I545. The Root Exploit package allowing Galaxy S4 users to root their devices easily without having to wipe the device or flash a full prerooted factory image. Its completely supports Android 4.2.2 Jelly Bean with firmware build number I545VRUAME7.

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 S4 on the computer.
2. Install Android Terminal Emulator on your device.
3. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
4. Make a backup of all your important data before following the guide.
5. Ensure the battery of the phone is charged more than 80 per cent.
6. The Root Exploit package works only on Samsung Galaxy S4 (Verizon) SCH-I545 running on Android 4.2.2 VRUAME7 Jelly Bean firmware. Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy S4 by navigating to Settings >> About Phone.

File Required
1. Root Exploit (Mirror Link) for Galaxy S4 (Verizon) SCH-I545 (RootforVZWS4.zip)

Steps to Root Galaxy S4 (Verizon) SCH-I545 Running on Android 4.2.2 VRUAME7 Jelly Bean Firmware
Step 1: Extract Root Exploit package using winrar/7zip/winzip or any other extracting tool.
Step 2: Insert a microSD card into your device. Make sure it is formatted as exFAT (not FAT32).

Note: If you have a 64GB microSD card you can use your phone to format it as exFAT by default directly from the Storage settings. However, if you have anything less than 64GB microSD card you may have to use the computer to format it manually as exFAT. Remember, if your microSD card is not formatted as exFAT you will see "permission denied" errors when running the exploit.

Step 3: Connect the Galaxy S4 to the computer using USB cable.
Step 4: Copy all files and folders from the Root Exploit package directly onto the root of your microSD card (nowhere else).
Step 5: Open the Android Terminal Emulator app on your phone, then run the following commands:

cd /mnt/extSdCard
./pwn
./script.sh

Note: After running the second command you should have seen your $ change to a # meaning you have root access. The third command is required to make this root access permanent.

Step 6: Once all commands are completed, close the Android Terminal Emulator app and check if SuperSU has any update in the Google Play Store.
Step 7: Open SuperSU app and let the binary update itself to the latest (if any updates are available).
Step 8: Once completed, reboot your device and confirm you still have root access.

Galaxy S4 (Verizon) SCH-I545 running on Android 4.2.2 VRUAME7 Jelly Bean firmware is now rooted successfully.

Thanks to all fellas at XDA who first tried out this rooting technique. This method was originally posted via XDA-Developer original thread.

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