Update Samsung Galaxy Grand Duos to Android 4.4.1 KitKat with CM11 Nightlies

CyanogenMod 11 AOSP based, with tons of new features which not in Official Android 4.4 Kitkat. CyanogenMod 11 unofficial nights is still under development. Its unofficial CM11 Nightlies release. CyanogenMod 11 unofficial Nightlies have some known issues which are mentioned below.
  • Only the primary SIM slot works
  • No anti-banding setting in Camera
  • Camera Panorama
  • HW Composer not used in landscape
  • Bad animation when switching between portrait <-> landscape
  • SMS to premium number results in force close
  • “?” battery stat when not plugged in on boot
  • Audio artifacts when UI click sound is enabled
  • screen record does not work
  • Fm Radio Does not work

CM 11 milesone on Samsung Galaxy Grand Duos Update Samsung Galaxy Grand Duos to Android 4.4.1 KitKat with CM11 Nightlies

In this tutorial,we will guide you how to install Android 4.4 Kit Kat CM11 Milestone snapshot build on  Samsung Galaxy Grand Duos with complete steps using CWM recovery. Before proceeding please read our full guide about Android Rooting/Hacking faqs and their answers in depth which will help to understand the benefits or updating, rooting, backup data, wipe out device etc…

[How to] Install CyanogenMod 11 unofficial Nightlies  Android 4.4 KitKat on  Samsung Galaxy Grand Duos

Samsung Galaxy Grand Duos Update Samsung Galaxy Grand Duos to Android 4.4.1 KitKat with CM11 Nightlies


  • Warranty may be void of your device if you root your Android Device or update to custom rom.
  • Please do not try this method on any other Samsung Galaxy Grand Duos..
  • It must be Samsung Galaxy Grand Duos GT-I9082/GT-I9082L.
  • Your data will be lost.

Try at your own risk.

  • You are only responsible for your device. We will not be responsible if there is any damage to your device and / or its components.

To Remember:

  • Your Device must be 60% or more charge.
  • Your phone should be rooted and have ClockworkMod recovery.
  • Perform a Dalvik Cache wipe before proceeding from the recovery mode.
  • Since it is a custom firmware, Sony will NOT detect your phone after installing this ROM.
  • Make sure you backup all your data before applying this.

Backup Import Data:

Perform backups and other important things before starting to play here, since there is a chance that you could lose your applications and data applications-(application settings, level of games, etc.), and in exceptional case, the files from the internal storage, too.Little Guide on Backup & Restore that linked right below:

 Samsung Galaxy Grand Duos USB Drivers:

To connect your  Samsung Galaxy Grand Duos with you PC you have to install its USB drivers. If you do not have the drivers then you can go to the link:

Download Samsung Galaxy Grand Duos Usb Driver


    • Step 1: Download Android 4.4 KitKat CYANOGENMOD 11 Milestone snapshot Build 1 (cm-11-20131210-UNOFFICIAL-i9082.zip) ROM for  Samsung Galaxy Grand Duos and GAPPS(gapps-kk-20131119.zip) on your PC.
    • Step 2: Connect and mount your  Samsung Galaxy Grand Duos with USB cable on your PC.
    • Step 3: Copy and Paste the downloaded Android 4.4 ROM and GAPPS file to your SD card root (not in any other folder).
    • Step 4: Turn OFF and disconnect your phone from the USB cable.
    • Step 5: To get in the Recovery Mode, switch ON the phone while pressing and holding Volume Up + Home + Power buttons together until the device shows different Boot options.
    • Step 6: When you are in the ClockworkMod recovery, use power button to select anything and volume key to navigate. Select “wipe data/factory reset” and this will wipe out you data.
    • Step 7: Then “wipe cache partition” to clean your cache as well.
    • Step 8: Now “wipe of your dalvik”. This is optional but it’s better to do that so you can avoid errors.
    • Step 9: Now you have to go back to the main recovery screen where you will be going for “install zip from SD card” option.

ClockworkMod recovery copy 1024x465 Update Samsung Galaxy Grand Duos to Android 4.4.1 KitKat with CM11 Nightlies

  • Step 10: Select “choose zip from sdcard (or external sdcard, you know where your files are)”.
  • Step 11: Now similarly flash the files. Make sure to Flash the ROM file first and then the GAPPS file.
  • Step 12: Restart your device. To do this, return to the main recovery menu and select reboot system now.


That’s all. Now the phone will reboot and will take some time, since it will be the first boot of the phone after installing CM11 Milestone 1 Android 4.4.1 KitKat, is extremely excited about this!


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  • Adv Dhamma Waghmare

    After update can both of sim working properly?

    • HamzaYounas94

      no, dual sim will not work.

      • nehal

        then what will we do if dual sim not works?

        • HamzaYounas94

          you have to wait for the beta or final version