Samsung Galaxy Grand Duos get the taste of the official Android 4.2.2 Jelly Bean update.

Those who own Samsung Galaxy Grand Duos with model number can now install official Android 4.2.2 Jelly Bean update. The firmware bearing the build number XXUBMGA is released by Samsung for the Galaxy Grand Duos in various European nations.

International Business Times reported that the official firmware for the Android 4.2.2 Jelly Bean update is currently available via OTA or Over-the-Air, as well as through Samsung KIES for those Galaxy Grand Duos in Russia. Unfortunately, those in other countries may have to wait for a bit longer.

However, those who did not receive the OTA notification for the official Android 4.2.2 Jelly Bean update can install the same firmware manually.

You can visit the step-by-step instructions posted on this link. The firmware for the Android 4.2.2 Jelly Bean update is unbranded, meaning it can work to all unlocked Samsung Galaxy Grand Duos.

But before you proceed with the manual installation process, there are pre-requisites that should be noted first such as the following:

Verify the model number of your Galaxy Grand Duos and check if it really carries I9082 identification. You can do that by going to Settings >About Phone. XXUBMGA official firmware for the Android 4.2.2 Jelly Bean is only intended for the specified model as it could damage of hard-brick a wrong device.

Use ClockWorkMOd or TWRP to back up your data and settings, as these are the recommended custom recovery tool.

Check the USB drivers for your Samsung Galaxy Grand Duos installed on your computer to make sure that you can connect your device and transfer files to and from the PC easily.

Enable USB debugging.

Battery of the phone should be 80 percent or higher before you start installing the official Android 4.2.2 Jelly Bean update to prevent device shutdown caused by power drainage.