Root Galaxy S2 I9100 XWLSW Android 4.1.2 Official Firmware

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I hope, you have updated your Samsung S2 I9100 to Official XWLSW Android 4.1.2 Jelly bean firmware. But after updating to the latest official firmware, you do not have root access. So if you want to gain root access again then you have to root Root Galaxy S2 I9100.

Root Galaxy S2 I9100

So are you ready to root Galaxy S2 I9100 XWLSW Android 4.1.2 Official Firmware, then proceed further. Before that, you have to read the disclaimer and prerequisite section. So, let’s start our journey.

Disclaimer: Rooting will void your phone Warranty. We are not responsible if anything happens to your phone. This article is purely to Root Galaxy S2, applying these steps on another device may produce troubles. Don’t miss any of the steps, firstly read and understand the whole tutorial then go for the actual process.


1. Your mobile should have 70 – 80% battery

2. Make sure that you have enabled USB debugging (All apps > Settings > Manage Applications > Development > USB Debugging – check box)

3. Ensure you have backed up your important data.

4. Remove your external SD card.

5. Install USB Drivers from here.

Steps to Root :

Step 1: Download Root Kernel to root Galaxy S2 I9100.

Step 2: Download ODin v3.07 to your computer and extract it on desktop.

Step 3: Now, switch off your phone to boot it into Odin/Download mode by pressing and holding Volume down  + Home Key + Power Button, till you see the Android Construction Logo on screen. And then press the Power key/Volume up key to enter download mode.

Step 4: Open the “Odin.exe” and then connect your phone to computer via USB cable. As soon as you connect, ID:COM box in Odin turns light green/yellow.

Step 5: Click on “PDA” button and select the file “speedmod-kernel-s2-jb-k5-3-Odin.tar“.

Step 6: Make sure that only F. Reset Time and Auto Reboot boxes are checked on Odin. Don’t check any other boxes.

Step 7: Click on Start button on Odin to start installation process. It will take upto 5 – 8 minutes, so please wait for the installation to finish.

Step 8: Finally, you will get PASS! notification on the ID:COM box and then your device will reboot automatically.

Hurray! You have successfully rooted Galaxy S2 I9100. If you want to cross check that your phone is rooted or not then you can download Root Checker application and verify by yourself.

Above is the simple tutorial on rootingt Galaxy S2 I9100, if you face any problem while rooting Galaxy S2 I9100 then put your query or problem via comments below and we will solve it ASAP! Happy Rooting 😀

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  1. sync says


    Good tutorial, thank you!
    Should i do a factory reset or should i wipe dalvic cache or something? And should i “format my battery”? thanks :)

  2. Simon says


    Why do the screen colours invert when the home button is double/triple pressed? Thanks (I have rooted with this sites kernal).

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