How to Root Samsung Galaxy Express 2 G3815 Using Android 4.2.2 Jelly Bean Firmware Guide

Samsung Galaxy Express 2 users who wish to root their devices running on Android 4.2.2 Jelly Bean, may follow the tutorial below.
This tutorial uses CF-Auto-Root file released by Senior Recognized XDA-Developers, Chainfire. The CF-Auto-Root file allowing Galaxy Express 2 users to root their devices easily without depending on the firmware. It completely supports Android 4.2.2 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 Driver for Samsung Galaxy Express 2 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. The Galaxy Express 2 should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 percent.U Can Install This Apps Like Battery Notifier BT Free6. The CF-Auto-Root file works only on the Galaxy Express 2 (SM-G3815). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy Express 2 by navigating to Settings >> About Phone.
Files Required
1. CF-Auto-Root for Galaxy Express 2 G3815 (CF-Auto-Root-wilcoxlte-wilcoxltexx-smg3815.zip)
2. Odin 3.07

Steps to Root Galaxy Express 2 G3815 Running on Android 4.2.2 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 Express 2. 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 Express 2 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.
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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-wilcoxlte-wilcoxltexx-smg3815.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 your device from the computer.

Samsung Galaxy Express 2 G3815 running on Android 4.2.2 Jelly Bean 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.

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.