Samsun Galaxy S2 Jelly Bean 4.1.2 Root

• To apply this step by step root guide, a windows computer will be used.
• Disable or uninstall the antivirus and the firewall that you are running on your PC and Android device. These programs can interfere with the rooting process and can interrupt the same.
• Enable the USB Debugging option from the next path: Settings -> Applications -> Development -> USB debugging”.
• Charge the device’s battery device to have more than 70% power left, if not your device can get a forced power off during the rooting process.
• This tutorial is provided only for Samsung Galaxy S2 model number I9100 that has installed and runs on official Android 4.1.2 Jelly Bean XWLSS firmware. Do not try to apply this step by step guide for any other different device, or if your Samsung Galaxy S2 I9100 device runs a different ROM version.

How to Root the Samsung  Galaxy S2 I9100 on official Android 4.1.2 Jelly Bean  XWLSS Firmware

1. Firstly, download the root pack file from here and save it in your PC.
2. Secondly, download and install Odin app.
3. Now, open the Odin on your computer.
4. Make sure you have installed the proper drivers for your S2 device, if not you can use the Samsung KIES for installing the same.
5. Now, turn off your S2 smartphone.
6.  Reboot your S2 device into download mode. To do that, you need to press and keep holding the Volume Down + Power + Menu buttons together.
7. While your device is in the Download Mode menu, connect it to the computer using the USB cable.
8. When the connection is done on the ODIN app the ID:COM area will be colored in yellow or blue color, and a “added” message will be displayed.
9. In case you’ll not be notified with the above ODIN connection elements, remove the USB cord, close the ODIN app and go to reinstall the Samsung Galaxy S2 drivers again, after those repeat the entire guide step from the beginning.
10. Now, from the ODIN app select the “PDA” button.
11. Browse and load the downloaded file from your PC.
12.  Make sure the re- partition section in the ODIN app is unchecked. Do not perform other changes in the ODIN app.
13. When you want to start the flashing process click on START button from the ODIN app.
14. Now wait until the ODIN app will finish the rooting process.
15. When the rooting process is done the Odin app will display the “pass” message, that message show you the process is done meaning that you are finished the rooting process.
16. Disconnect the smartphone from the PC and reboot your SGS2 I9100 Android device.

 Troubleshooting and tips:

•  If ODIN app gets stuck during the rooting process you need to follow:

1. Firstly, close the ODIN app on the PC.
2. Secondly, disconnect the device from the PC.
3. Thirty force to restart the S2 device.
4. Reinstall the S2 proper drivers on your computer again.
5. Next, boot your S2 device into download mode again.
6. Open the ODIN app and reconnect your smartphone with the computer.
7. Repeat the step by step root guide from the begging.

• If your device is stuck in a boot loop or the ODIN app is frozen, in this case you need to follow these guidelines:

1.  Firstly, turn off your SGS2 device.
2. Secondly, boot it into recovery mode. To do that press and keep holding the Volume Up + Power + Menu buttons in the same time for a few second until the Recovery Mode it is displayed.
3. Next, from the recovery mode menu select the “wipe data factory reset” option.
4. Now, return in the main Recovery Menu.
5. From the Recovery Menu select “reboot system now”