How to Root Samsung Galaxy S2 GT-i9100 (Jelly Bean)

How to Root Samsung Galaxy S2 GT-i9100 (Jelly Bean) – Compared with the previous smartphone Samsung Galaxy S1, Samsung Galaxy S2 comes over to have more capability, in view of the features and specifications of this smartphone is on offer. Samsung Galaxy S2 was first released on 2 May 2011. This is one of the thinnest Android with dimensions of 125.3 x 66.1 x 8:49 mm, cadybar (card type).

Samsung Galaxy S2 Plus GT-I9105

Samsung Galaxy S2 I9100 already uses Super AMOLED Plus capacitive touchscreen, 16M colors with 480 x 800 pixels, 4.3 inches (~ 217 ppi pixel density) and Corning Gorilla Glass, TouchWiz UI v4.0 same with the latest generation of samsung galaxy s series. In terms of the camera, the Samsung Galaxy S2 is the same as the Samsung Galaxy S3 which has a capacity of 8MP with a second camera of 2MP. For the performance is not too much different from the samsung galaxy s3 is by using CPU Dual-core 1.2 GHz Cortex-A9.

In this post Smartphone Clinic will provide a tutorial on How to Root Galaxy S2 GT-i9100 running on Jelly Bean Android 4.1.1 / 4.1.2. This tutorial is using Odin on Windows Computer. Root your device at your own risk.


  • Make sure your phone battery is charged to 70% or more
  • Backup your device data
  • Enable USB Debugging, by open Settings > Developers Option > USB Debugging
    (If Developers Option is hidden, go to Settings > About Phone > Built Number (tap on it for 5-8 times)
  • Download and Install the Samsung Kies on the PC
  • Download Jeboo Kernel for GT-i9100
  • Download and Unzip ODIN

How to Root Samsung Galaxy S2 GT-i9100 (Jelly Bean)

  • Turn off  your Samsung Galaxy S2
  • Boot the device into Download Mode as follows: press and hold Volume DownHome and Power buttons together

Samsung Galaxy S2 root

  • When a warning triangle appears on screen, press Volume Up button to enter Download Mode.


  • Launch Odin.exe by click right and run as administrator on computer
  • Connect your phone to the computer. Odin will automatically detect your phone and show the “added message”.


  • In Odin, tap PDA button and choose the Jeboo kernel .tar file.
  • Ensure Auto Reboot and F. Reset Time options are selected in Odin, while the Re-Partition option is unchecked.
  • click Start in Odin.

odin3  start the flashing process

  • Once the root installation is done, your phone will reboot and soon a PASS message with a green background appears in the left-most box at the very top of Odin.

odin3  finish pass

  • Your Samsung Galaxy S2 will reeboot automatically
  • Once rebooted, Download Superuser zip file straight to your phone or you can also copy it over from your computer.
  • Turn off your phone again
  • Boot into CWM Recovery by pressing Volume Up, Center Home, and Power buttons together

Samsung Galaxy S2 root recovery

  • In recovery mode choose “Install Zip”.

recovery mode root

  • Next select “Choose zip from Internal sdcard” or “Choose zip from sdcard”.

recovery mode root zip

  • Locate “Superuser zip file” file who had already downloaded.
  • Wait for the process to complete, and then later select “Reboot System Now”.
  • If the SuperSU App exist on your Application Menu on your smartphone it means you’ve succesfully rooted your device.

see SuperSU app

For more details, please watch following video:

Congratulation! Now your Samsung Galaxy S2 was rooted. You also can verify that your Samsung is successfully rooted or not by downloading Root Checker App on App Store. Hopefully the article of How to Root Samsung Galaxy S2 GT-i9100 (Jelly Bean) useful for you.

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