CyanogenMod Team recently developed the CyanogenMod 10.1 Android 4.2.2 Jelly Bean for Galaxy Grand Duos GT-i9082 device. who want to get the Android 4.2.2 Jelly Bean on Galaxy Grand Duos GT-i9082, just need to follow the ahead mentioned guide.
Disclaimer: Steps mentioned in the further article are considered as risky and can cause damage to your mobile. It is requested that you should not go for it if you are unaware of all these things. Follow all the steps at your own risk. We or developers are not responsible for any damage cause to your mobile.
Mobile must be charged at least up to 70% so that installation process will not get interrupted due to low battery.
Your all mobile data gets wiped during flashing of ROM so don’t forget to take a backup of important personal data like SMS, MMS, APN, contacts etc. to the external memory.
In order to flash custom ROM on your mobile, install custom recovery like Clockworkmod recovery or TWRP recovery on your mobile.
How to Update Galaxy Grand Duos GT-i9082 to Android 4.2.2 Jelly Bean custom ROM
Step 2: After downloading copy both the files to an external SD card.
Step 3: Turn Off your phone, take out the battery and insert it back. Now, boot into ClockworkMod Recovery by pressing and holding Volume Up + Home + Power Key (long Press). In the Recovery mode, use the Volume keys to move up/down and the Power key to select a highlighted item.
Step 4: Firstly, you have take a backup of your current ROM so that you can restore it later, in case if anything goes wrong. Got to backup and restore > backup and wait for a few minutes to complete.
Step 5: Now, switch to the main menu of ClockworkMod Recovery. There Choose Wipe Data and give Yes to confirm to delete stock ROM data.
Step 6: After that, navigate to install zip from SD card and select the CyanogenMod 10.1 ROM for Galaxy Grand Duos GT-i9082 to install, which you have downloaded and copied in the external SD card .
Step 7: When CyanogenMod 10.1 ROM for Galaxy Grand Duos GT-i9082 installed successfully then again navigate to install zip from SD card and select Google apps to install.
Step 8: Finally, go back to the main menu and select reboot system now.
On the first boot it takes few minutes to setup everything. If you get stuck on boot screen for more than 5 minutes then take out the battery. Now, restart into CWM recovery and factory reset the device. This will solve the issue.
That’s it! Your Galaxy Grand Duos GT-i9082 now has CM10 Android 4.2.2 Jelly Bean installed on the phone. Go to Settings >About phone to verify.
Have fun playing with it! If you have any issues, please fire them up in the comments below!