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This tutorial is only for installing Carbon ROM Android 4.4.4 KitKat ROM on Samsung Galaxy Grand Duos I9082. Please do not try on any other Galaxy Grand variants.
Your phone should be rooted and have ClockworkMod recovery installed from before.
This tutorial will wipe out all your data. Proceed at your own risk.
Perform a Dalvik Cache wipe before proceeding from the recovery mode.
Samsung KIES will NOT detect your phone after installing this ROM because it is a custom firmware.
Make sure you backup all your data in your phone before proceeding.
*Entire Step-By-Step Procedure:
Step 1 - Download Carbon ROM Android 4.4.4 KitKat Custom firmware And
Google Apps for Galaxy Grand Duos I9082 to your computer.
Step 2 - Connect and mount your Galaxy Grand I9082 USB memory on your computer using the USB cable.
Step 3 - Now copy/paste the downloaded Android 4.4.4 ROM zip file to your SD card. Make sure the file is in the SD card root (not in any folder).
Step 4 - Then turn OFF your phone and disconnect from the USB cable.
Step 5 - Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Up + Home + Power buttons together. You will get an exclamation mark now. Again, hold your Volume Up + Power buttons. You should now be in your Recovery Mode.
Step 6 - Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” Use the Power button to select everything while in the Recovery Mode.
Step 7 - Then, perform a cache wipe by selecting “wipe cache partition”
Step 8 - Now this is optional, but it is recommended to perform a wipe of your dalvik cache as well. You will not get into boot loops or any other errors. From CWM recovery, go to ‘advanced’ and then select “wipe dalvik cache”.
Step 9 - Then go back to the main recovery screen and select “install zip from SD card”.
Step 10 - Now select “choose zip from sdcard”. Using your volume keys, navigate to the Carbon ROM Android 4.4.4 KitKat file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.
Step 11 - After the installation completes, go to “+++++Go Back+++++” and reboot the phone by selecting “reboot system now”
Note: Repeat the same step of installation as in step 10 with Google Apps after installing Carbon ROM Android 4.4.4 KitKat.
Your Galaxy Grand Duos I9082 will boot now and it might take about 5 minutes to boot on your first time. So, please wait.
That’s it! Your Galaxy Grand Duos I9082 should now have Carbon ROM Android 4.4.4 KitKat Custom Firmware installed on your phone!