Galaxy Grand 2 Duos G7102 might not have yet received the Lollipop firmware but it has received another KitKat and this time with build number G7102XXUBNK2 and based on Android 4.4.2 KitKat. The update is being rolled out via KIES and will be soon available through OTA however it can be installed manually using Odin just now.
So if you happen to own Grand Duos G7102, then follow the step by step tutorial to manually install XXUBNK2 Android 4.4.2 KitKat on your phone.
Android 5.0.2 Lollipop G7102XXUBNK2 Firmware Details
Model Name: Grand 2 Duos G7102
Version: Android 4.4.2
Date: 30th April, 2015
- First of all ensure that you have Samsung Galaxy S5 Plus Drivers installed on your computer.
- Make a complete backup of all your important data using CWM recovery or TWRP and keep it safe.
- Enable the USB Debugging Mode on your phone from Settings –> Developer Options –> “Enable USB Debugging”.
- Your Grand Duos G7102 should be unlocked.
Please read each and every step carefully to install XXUBNK2 Android 5.0 Lollipop Official OTA Update on your Galaxy S5 Plus SM-G901F. AndroidsDNA.com cannot be held responsible if you damage your phone because it will be entirely your fault.
Steps to Install Stock XXUBNK2 Android 4.4.2 KitKat Firmware on Grand 2 Duos G7102
Step 1: Download the G7102XXUBNK2 Android 4.4.2 OTA Stock Firmware for your Grand 2 Duos G7102 along with Odin and place both on desktop. Extract both zips.
Step 2: Now Turn Off your Grand Duos G7102 and boot it to Download Mode. For that, Turn it On while pressing and holding “Home + Power + Volume” buttons simultaneously.
Step 3: From Odin folder, run the .exe file to launch Odin and connect your phone (which is in Download Mode) to your computer via USB cable. You will see ID:COM box light will turn blue if your phone is connected. If it isn’t, make sure you have properly install USB drivers on your computer.
Step 4: Now click on “AP” button in Odin and browse for the firmware files you have downloaded. After that, make sure “Auto Reboot” , “F.Reset Time” and “Re-Partition” are checked.
Step 5: Check everything once again and if satisfied then click on “Start” button in the center at bottom to start the process of installation which will take few minutes. Once your phone is updated, it will reboot automatically.
You have successfully updated your Grand 2 Duos G7102 to XXUBNK2 Android 4.4.2 KitKat official Stock firmware using Odin. Got any question? Of course, ask us in comments.