[Galaxy S II General] saeedashifahmed:
Samsung is not going to bring Android 4.4 KitKat for Galaxy S2 I9100 but still Galaxy S2 users can easily install Android 4.4.2 KitKat with a custom ROM. This time Samsung Galaxy S2 I9100 received a new official firmware i.e. XXMS7 Android 4.1.2. This update is being pushed only to Poland region through Samsung KIES and OTA (over-the-air) update system. If you want to get this latest firmware on your Galaxy S2 I9100, then we have a complete guide on how to install XXMS7 Android 4.1.2 Jelly Bean on Galaxy S2 I9100 device. Please keep in mind that this is an Official Firmware, not a modified custom ROM. You can easily install XXMS7 Android 4.1.2 Jelly Bean on Galaxy S2 I9100 using our tutorial given below. I recommend you to read this article once before actually performing it on your device. If your phone got suck or if you phone got bricked due to any Custom ROM, you can get your phone back with original position by this Official firmware.

Details About XXMS7 Android 4.1.2 Firmware:

Model: GT-I9100

Model name: GALAXY S II

Country: Poland

Version: Android 4.1.2

Changelist: 1155032

Build date: Mon, 22 Apr 2013 01:33:56 +0000

Product Code: XEO

PDA: I9100XXMS7

CSC: I9100OXAMS7

MODEM: I9100XXMS2

How To Install XXMS7 Android 4.1.2 Jelly Bean On Galaxy S2 I9100

We have put together all detailed step-by-step guides on how to update Samsung Galaxy S2 to XXMS7 Android 4.1.2 Jelly Bean. If you are used to installing official updates through ODIN on Samsung Galaxy devices, then this should not be any different for you.

Please read every line carefully and make sure you read the entire tutorial once before actually performing it on your phone.

To Remember:

This tutorial for installing XXMS7 Android 4.1.2 is only for Samsung Galaxy S2 I9100. Please don’t try this with other Android device.

This is an official Samsung firmware, not a custom ROM or a modified firmware.

Make sure you backup all your data in your phone before proceeding.

Rooting Warning: This is an official Android 4.1.2 build XXMS7 update for Galaxy S2 I9100, which means you will lose root after installing this update. You will again have to root Galaxy S2 to gain full system access and be able to install root apps again.

Entire Step-By-Step Procedure:

Step 1 - Download Android 4.1.2 I9100XXMS7 for Galaxy S2 to your computer and extract the zip file.

Get Download links here: http://idroidhorizon.blogspot.com/2014/05/Install-Android-4.1.2-on-Galaxy-S2-I9100.html

Step 2 - Download ODIN v3.07 which will help you to install Android 4.1.2 on Samsung Galaxy S2 I9100.

Step 3 - Switch OFF your phone. Now go to Download Mode. How? Press and hold the Volume Down + Home buttons together, and then press the Power button till you see the construction Android robot and a triangle. Press Power again to confirm to enter into Download Mode.

Step 4 - Make sure you have your Galaxy S2 USB drivers installed on your computer.

Step 5 - Open ODIN on your computer. Connect your phone to your computer while your phone is in the Download Mode.

Odin

Step 6 - If your phone is connected successfully, one of the ID:COM boxes will turn yellow with the COM port number. This step might take some time.

Step 7 - Now select the files that you have to flash/install on your phone. These files are to be found from the extracted files in Step 1.

Click on ‘PDA’ and select file with ‘CODE’ in its name.

Click on ‘Phone’ and select file with ‘MODEM’ in its name. Ignore this step if there is no such file.

Click on ‘CSC’ and select file with CSC’ in its name. Ignore this step if there is no such file.

Click on ‘PIT’ and select the .pit file. Ignore this step if there is no such file.

Step 8 - In ODIN, check the Auto Reboot and F. Reset Time options. As for the Re-Partition option, check it ONLY if you selected a .PIT file in the above step.

Step 9 - Now click on the Start button in ODIN. Installation process will start and would take a few minutes to complete.

Step 10 - After the installation is completed, your phone will restart. After you see the home screen, unplug your phone from the computer.

That’s it. Your Samsung Galaxy S II has now been updated to Android 4.1.2 build XXMS7 software update. Go to Settings > About phone to verify what build have you installed.