Samsung has released the Android 4.2.2 Jelly Bean update for the Galaxy Grand DUOS smartphone. Currently the update is seeding in Russia and is expected to roll out the Android 4.2.2 Jelly Bean ROM globally in the coming days. Samsung also announced that the with latest OS update, Android OS upgrade for Galaxy Grand smartphone would officially end with Android 4.2.2 Jelly Bean. That means no official Android 4.3 update for Galaxy Grand.
The latest Android update’s build number is I9105PXXUBMG8. Android 4.2.2 update brings few software goodies from the Galaxy S4, expect to see some of the TouchWiz features from S4 smartphone. The latest OS update for the Samsung Galaxy Grand brings cool features like lockscreen widgets, dedicated toggles menu in the status bar, improved task switching, Daydream screensaver mode, and performance enhancements.
The Android 4.2.2 update for the Samsung Galaxy Grand Duos can be installed OTA. The OTA update will be available soon (outside Russia, already available there), it may take a few days to reach you. Check for any update notification on your Galaxy Grand.[Source]