Samsung Galaxy Tab 3 8.0 users can now root their devices running Android 4.2.2 Jelly Bean using CF-Auto-Root file released by XDA developer, Chainfire. The root package contains SuperSU binary, APK and stock recovery.
The CF-Auto-Root is the root for beginners and those who wish to keep as close to stock as possible. It is the easiest and safest root method available so far.
Galaxy Tab 3 8.0 users who want to root their devices on Android 4.2.2, may follow our step-by-step guide.
IBTimes UK reminds its readers that it will not be held liable for any damage to the device. Users are advised to ensure their devices meet following set of requirements.
1) Install USB Driver for Samsung Galaxy Tab 3 8.0 to transfer files between the Android device and the computer.
2) Enable USB Debugging Mode on the tablet to connect it with computer and use Android SDK with it. [Navigate to Settings>> Developer Options to enable USB Debugging.]
3) As the tutorial might wipe out all data of the tablet, create a backup. If the device is having any custom recoveries such as ClockworkMod or, TWRP then backup data using the recovery.
4) If the Android phone powers off due to lack of battery while the rooting process, it could damage the device. Therefore, the Galaxy Tab should have charge above 80% battery charge.
5) The device will lose manufacturer's warranty once the root method is installed.
6) The CF-Auto-Root files work only with Samsung Galaxy Tab 3 8.0. As applying these on any incorrect variant might brick the device, verify the model number of Galaxy Tab by navigating to Settings>> About tablet>> Model number and install root files according to device's model number.
CF-Auto-Root for Tab 3 8.0 Wi-Fi SM-T310 [CF-Auto-Root-lt01wifi-lt01wifixx-smt310.zip]
CF-Auto-Root for Tab 3 8.0 3G SM-T311 [CF-Auto-Root-lt013g-lt013gxx-smt311.zip]
CF-Auto-Root for Tab 3 8.0 LTE SM-T315 [CF-Auto-Root-lt01lte-lt01ltexx-smt315.zip]
How to root Samsung Galaxy Tab 3 8.0 on Android 4.2.2 Jelly Bean
Step-1: Extract the root zip using any extracting tool such as WinRAR/7-Zip/WinZip to get a .tar.md5 file
Step-2: Extract Odin zip to get Odin3 v3.09.exe with other files
Step-3: Switch off the Galaxy Tab 3 8.0
Step-4: Boot the tablet 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 into Download Mode
Step-5: Launch Odin on the computer as an Administrator
Step-6: Connect the tablet to the computer using USB cable while it is in Download Mode. Wait for some time until Odin detects the device. When the phone is connected successfully, an Added message will appear under Odin message box. You should also see the ID: COM box in Odin will turn blue with the COM port number indicating successful connection
Note: If the Added message does not appear then try another USB port, try the one located at the back side of the computer. If that does not work too then reinstall USB driver.
Step-7: In Odin, click the AP button and select CF-Auto-Rootwith .tar.md5 extension
Step-8: Verify the Re-Partition checkbox in Odin is not selected
Step-9: Click the Start button in Odin to begin the installation
Step-10: When the installation process is completed, the tablet will restart and soon a PASS message with green background will appear in the extreme left box at the very top of Odin. You may now unplug the USB cable from the tablet to disconnect it from computer
Samsung Galaxy Tab 3 8.0 running on Android 4.2.2 should now be rooted successfully. Open the app drawer of the tablet and check for SuperSU app. Also, verify the rot status of the device by downloading Root Checker app available at Google Play Store.
Reset flash counter
Several Samsung devices store a flash counter that keeps track on how many times custom firmware is flashed on the device. Use Triangle Away app to reset the flash counter to zero.
Fix 'Unfortunately SuperSU has stopped'
Step-1: Download and install the latest APK of SuperSU on your Galaxy tablet
Step-2: Open SuperSU app (Update the binary if prompted) and allow it to disable Knox
Step-3: Reboot the device.
[Source: Honai of Android]