Want to update your Samsung Galaxy Grand Duos GT-I9082 to latest android 4.4.4 kitkat OS then here is the one of custom ROM brings your SGG Duos GT-I9082 to Android 4.4.4 kitkat user interface from official firmware android 4.2.2 jellybean OS. At the same time, Samsung official failed to update the android 4.4 kitkat OS in June 2014 and expecting to get OTA update at end of July 2014.
Know about CarbonROM: It is an aftermarket firmware based on the Android Open Source Project. We are dedicated to fast, stable, and feature-filled roms, honesty and communication with our users, and openness with our code. We like frequent builds, with the very latest and greatest hardware support and fixes. We strive to not only provide you with the best rom we can build, but also to give back to the Android community and our fellow developers. For us, this is about creating something we can be proud of and hope you will enjoy.
Hold on! This ROM update only primary SIM slot works and no more secondary SIM slot detection.
Disclaimer:
The Samsung Galaxy Grand Duos I9802 Custom ROM installation process may end up in no results or negative results too that means device software damage as well mega device hangs or startup problem. So it’s advised to you that apply this installation procedure at your own risk and the below procedure only for educational purpose. We shall not be responsible for any damage to your device.
Guide to update Samsung Galaxy Grand Duos GT-I9082 Android 5.0 Lollipop CM12 Custom ROM
Prerequisites:
Before entering Samsung Galaxy Grand Duos I9802 updates process,
Take a Complete backup because of any data and apps lost during installation.
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log – Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
Already installed CWM Recovery mode and should have root access (Install easyrootchecker free to check your android device has Root access or Not)
Enable the USB Debugging Mode in your Samsung Galaxy Grand Duos I9802 device follow this step “Settings > Developer option > USB debugging”.
Minimum 65% battery need before start your work
Downloads:
ROM: CARBON-KK-UNOFFICIAL-20140620-1357-i9082.zip (ROM size: 182MB)-for latest ROM update follow this XDA forum
PA Apps: pa_gapps-modular-mini-4.4.3-20140629-signed.zip (File Size: 143MB)
Step to install Android 4.4.4 Kitkat Carbon custom ROM to Samsung Galaxy Grand Duos I9802
Download all above listed ZIP files to your computer or laptop and transfer zip file to Grand Duos root of your SD card
Switch OFF your Samsung Galaxy Grand Duos I9802 and Enter CWM Recovery by pressing Volume Up +Menu + Power buttons together and do full wipe (everything except SD card)
From Recovery Menu, use Volume Up or Down button for navigation
Go to choose from SDcard or install ZIP from SD card and install or flash zip in ClockworkMod Recovery and install or Flash Google Apps too.
Optional: After Android 4.4.4 custom ROM and Gapps ZIP files got installed DO A DATA WIPE / FACTORY RESET (Wipe dalvik cache) (otherwise your device will be stuck at boot)
Wait for 3 to 4 minutes and go to main menu and select ‘reboot system now’.
That it your Samsung Galaxy Grand Duos I9802 smartphone now ready to enjoy at latest Android 4.4.4 Kitkat OS version.
After rebooted check your device android version by checking Setting -> About phone.