Samsung Galaxy S2 : How to Root it on Official XWLSS Jellybean

Samsung Galaxy S2 marked the domination of Samsung on smartphone market. It was Samsung Galaxy S2 which helped them surpass Nokia and become number one smartphone maker in world. We are here talking about Samsung Galaxy S2 i9100 version.

Everyone knows that rooted Android phone can be enjoyed far more than an unrooted one. Most of the rooted firmwares are custom ROMs. But if you want to root your Samsung Galaxy S2 i9100 while keeping it on official firmware, then this is the right place for you. We are here providing you a step-by-step rooting tutorial on official XWLSS Jellybean firmware.

Samsung Galaxy S2 i9100

Samsung Galaxy s2 i9100 : Upgradation Guide

We have tried to make the upgradation as easy and explanatory as it could be. The upgradation guide have two halves namely:

  • Getting Ready for Upgrade
  • The Real Upgrade

Notice : This Firmware is taken from a very reliable Android Developer. We have tried and tested this firmware before bringing this for you. However, we would recommend you to follow these steps with extra-care as a single error can lead to bricking of your Device.
The warranty of your device would void after upgrade, so do this at your own risk. We will not be liable for any error.

Samsung Galaxy s2 i9100 : Getting Ready for Upgrade

  • Before you take a step further, please make sure that your device is Samsung Galaxy s2 i9100 . You can check this at Settings >> About Device.
  • Take a backup of your existing ROM using the ROM Manager App available on Play Store.
  • You may also opt for a backup of your important data such as SMS, phone numbers using one of the backup apps available on play store for free.
  • The upgrade process work on internal battery power. So we would recommend you to charge your device more than 80%.
  • Disable all anti-virus software installed on you device and PC.
  • If you have kies installed on your PC, just uninstall it.
  • Enable USB debugging on your Device. The option for this is available at :
    Settings > Applications > Development > USB debugging or
    Settings> Developer Option> USB Debugging
  • Now your Samsung Galaxy s2 i9100 is ready for upgradation.

Samsung Galaxy S2 : The Real Upgrade

  •  Download the Firmware Package and Odin Package on your Laptop/PC from below links:
    1.  Jelly Bean I9082 XXAMD6
    2.  ODIN v3.07
  • Power off your Samsung Galaxy s2 i9100 and restart in Debugging mode. This can be done by pressing and holding Volume Down + Home + Power Key together.
  • After sometime, the main menu of debugging mode appears. After update Android triangle appears, press power button to enter download mode.
  • Connect your Samsung Galaxy s2 i9100 to PC using original USB data-cable.
  • Open the ODIN application on PC.
  • In ODIN, ‘added’ message will be prompted and ID:COM button turns Yellow or Blue. This indicates that device is now connected.
  • Now select the “PDA” option from Odin app.
  • Extract the firmware file and then browse it from Odin app and select it.
  • Now check that in Odin App, ‘Re-partition’ button is un-checked.
  • Now press the start button and and installation process will begin.
  • When installation is completed, “PASS” message will appear in Odin app.
  • Now disconnect you Samsung Galaxy s2 i9100 from USB cable and restart it.

With this you have successfully upgraded your Samsung Galaxy s2 i9100 to XWLSS firmware. If you face any kind of issue during installation, then you can seek our help using the comment form below.

Also we would recommend you to comment if you were able to upgrade your Samsung Galaxy s2 i9100 successfully.