Samsung Galaxy Grand I9082 is one of many devices under the Galaxy line which will receive Android 4.2 as their last update. However, Samsung hasn't announced any release dates or progress with the update. If you own a Galaxy Grand I9082, you can manually update the device to Android 4.2.2 Jelly Bean using CyanogenMod 10.1 ROM.

CyanogenMod or CM is one of the best custom ROM available and totally free. CM10.1 features Android 4.2.2 Jelly Bean, processor tweaking and virtual bloat-free system.

Warning: This is a custom ROM which may damage your device. Developers are not liable for whatever happens on your device. Read and follow the instructions carefully to prevent damaging your phone. Do this at your own risk.

Requirements

  • Samsung Galaxy Grand Duos I9082 or I9082L. Never apply this ROM to any other device or suffer unforeseen consequences.
  • Create a backup of all your personal information, settings and data files on your Galaxy Grand Duos.
  • Make sure that the battery level is at least 70 per cent to avoid power interruption.
  • Root and Install ClockworkMod Recovery on your Galaxy Grand Duos to flash CM10.1.
  • Disable temporarily all antivirus and security software on your computer.
  • Uninstall all antivirus apps on your phone.
  • Enable USB debugging mode on your Galaxy Grand Duos. Go to "Settings > Applications > Development > USB debugging."
  • Download and install all USB drivers necessary for your handset. Samsung Kies PC Suite provides USB drivers.
  • Download the CyanogenMod 10.1 and Google Apps package on your computer.

Flashing Instructions

1. Connect your Galaxy Grand Duos to your computer then copy the CyanogenMod custom ROM and the Google Apps package you've downloaded to the phone's SD card. Do not extract any of them.

2. Disconnect your phone from the computer and reboot it into Recovery mode. You can use the ClockworkMod recovery app or turn off the device then press & hold Volume Up + Home + Power keys to reboot into Recovery mode.

3. In the Recovery mode, make a nAndroid backup of your current ROM. Select "backup and restore > backup." The saved ROM is located in the SD card and you can restore it at anytime.

4. Now perform a full wipe on your device. Select "wipe data/factory reset" and "wipe cache partition." After that, select "advanced > wipe Dalvik cache."

5. Go back to the main menu and select "install zip from SD card > choose zip from SD card" then choose the CM10.1 you have copied earlier on the SD card. Apply the same with the Google Apps package.

6. Once the installation is complete, go back to the main menu and select "reboot system now."

7. The device will reboot itself and may take up to 5 minutes to reach the home screen.

Well done! Your Samsung Galaxy Grand Duos I9082/I9082L is now running Android 4.2.2 Jelly Bean with CyanogenMod 10.1 custom ROM.

If you have any issues or comments, send your feedbacks to Galaxy Grand Duos I9082/I9082L XDA Original Thread.