If you are still waiting for Samsung to roll out Android 4.1.2 Jelly Bean update for its Galaxy S2 handsets, your wait ends here, but unofficially.

Samsung is expected to release the firmware update in February starting from Singapore.

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If you can't wait for an official firmware update, custom ROM Avatar is your option. With the help of Avatar you can update your Galaxy S2 GT-I9100G to Android 4.1.2 Jelly Bean and enjoy so many amazing new features.

According to Android Jinn, you can install eye candy themes of MIUI ROM with the help of Avatar. "The main feature that make Avatar ROM standout from other is, it bring customization of CM10 but along with the theme engine of MIUI. So, by installing Avatar ROM you will get all customization of CM10 Android 4.1.2 Jelly Bean custom ROM as well as can install eye candy themes of MIUI ROM."

By following the given steps you can install Android 4.1.2 Jelly Bean on Samsung Galaxy S2 GT-I9100G using custom ROM Avatar.

Before you start, you should remember that this ROM is under development and may contain bugs.

You should not forget these points before going ahead

- Backup your data and apps.

- The device has at least 80 percent battery power.

- The USB driver must be installed for Samsung Galaxy S2 GT-I9100G in your PC.

- The USB Debugging must be enabled.

- Backup your EFS Folder.

- The device must have ClockworkMod Recovery Installed.

- Flashing this ROM on your device will increase your binary counter.

- Don't skip Nandroid backup as it's very helpful if this custom ROM doesn't work the way you wanted.

Here we go with the installation

Step 1: Download Avatar ROM 4.1.2 Jelly Bean ROM For Galaxy S2 I9100G (Filename: AvatarRom.I9100G#ExperimentalBuild2.zip).

Step 2: Download Google Apps (Filename: gapps-jb-20121011-signed.zip).

Step 3: Connect your Galaxy S2 to a PC using USB cable.

Step 4: Copy downloaded files to the SD card of your phone without extracting them.

Step 5: Disconnect the USB and power off your phone.

Step 6: Boot into ClockworkMod recovery in your Galaxy S2 by pressing and holding theVolume Up, Power and Home buttons together. Wait till the Samsung logo appears on screen.

Step 7: Release the buttons and hold them again. You will get ClockworkMod recovery screen soon. Now browse between options in recovery using Volume keys while usingPower key to select an option.

Step 8: Perform a Nandroid backup of your existing ROM by selecting Backup and Restore, then on the next screen, selecting Backup again. Once back up is complete, go back to the main recovery menu.

Step 9: Perform the data wiping task. To do so, select the wipe data/ factory reset, then select Yes on next screen to confirm your action. Wait for a few minutes till the data wipe is completed.

Step 10: Select install zip from the sdcard and after that select choose zip from the sdcard. Now, locate the AvatarRom.I9100G#ExperimentalBuild2.zip file and select it by pressingPower button.

Confirm installation by selecting Yes - Install _____.zip on the next screen. The ROM installation will begin.

Step 11: Once the ROM installation is done, repeat the step 10 but choose the gapps-jb-20121011-signed.zip file instead of ROM zip to install the Google apps package.

Step 12: After the installation is completed, go back to the main recovery menu and selectreboot system now to reboot the phone and boot up into customized Android 4.1.2 Jelly Bean. The first boot will take time.

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