Galaxy Grand Duos has been a choice to people who want a large screen with a limited budget, Android Marshmallow is out of the market and many of the Nexus devices have the Android Marshmallow installed in them. Samsung is official yet to acknowledge about the latest Android 6.0 Marshmallow update for the Galaxy Grand Duos.How to Install Android Marshmallow on Galaxy Grand Duos{adinserter 3}Human nature doesn’t allow people to wait, Samsung is yet to launch Android 6.0 Marshmallow for the device, but there is already an Alpha built Android Marshmallow ROM for the Galaxy Grand Duos. So in case you are not a person who likes waiting, you can install the AOSP based ROM for your device and preview the Android M on your Galaxy Grand Duos.

To be clear, since this is an AOSP based ROM, you will see a complete different user interface from what you see on Samsung’s TouchWiz UI. Since, this Android 6.0 Marshmallow release is at a development stage. Alpha built means that the update is still unstable and might have some software related issues. So if you’re installing this on a Samsung Galaxy Grand Duos which you use on daily basis, this wont help you. Lets begin with the steps.

How to Install Android 6.0 Marshmallow on Galaxy Grand Duos.

As we are dealing with the early release on Marshmallow, you should first backup all your data on phone. If you do this, you will save the current ROM that powers your Galaxy Grand Duos, and then you can restore the Android OS without creating any other problems.

All the software issues will soon be resolved by the devs asap and then you will be able to install a stable Android M firmware on you Grand Duos. You can be up to date with the information as it would be posted here. On this site, you ca also find and download the builts of Android 6.0 Marshmallow for Samsung Galaxy Grand Duos.

Things Required:

  • Rooted Galaxy Grand Duos.
  • Custom Recovery – TWRP/CWM installed.
  • 80% Battery charge.
  • Download: Android Marshmallow ROM for Galaxy Grand Duos.
  • Download: Google Apps Package for Android Marshmallow

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Steps to Install Android 6.0 Marshmallow on Galaxy Grand Duos.

Step 1: Root your Galaxy Grand Duos.

You have to first root your Galaxy Grand Duos, as a custom ROM can be flashed only if Android system is rooted. In case your galaxy grand duos is not rooted then, you can’t proceed with the guide. Also note, rooting will void the warranty of your Galaxy Grand Duos, still if you want to root your galaxy grand duos? Google “Root Galaxy Grand Duos”.

Step 2: Install Custom Recovery; TWRP recovery or CWM recovery.

Custom recoveries help us to do lot of tasks which stock recoveries can’t. You will need a custom recovery to flash the rom on your phone. While flashing the custom AOSP based Android Marshmallow ROM, your existing system partition will be erased and new system partition will be written. So in case your data is important or you are installing the ROM for the first time, then we suggest you to take the backup of all your data & besides also take a nandroid backup (backup of the system).

Step 3: Download the ROM and Google Apps Package.

You also have to make sure that your device is fully charged before you start the process as it can brick your device if it turns off during the procedure. Take care while installing, in case of any issues we are not responsible, so if anything goes wrong you will be solely responsible.

Download the Android 6.0 Marshmallow AOSP based custom ROM and the Google Apps package and store it in your Galaxy Grand Duos in Internal storage or external storage.

Step 4: Flash the ROM and Google apps package on your Galaxy Grand Duos.

  • Enter into recovery mode by pressing and hold: Volume up + Home + Power button together. In case you are not able to do this, then you can follow this guide: “Boot into recovery mode without pressing keys“.
  • Select “wipe data”, “wipe cache partition” and “wipe dalvik cache” from recovery.
  • Go back to the main recovery menu and click “install zip from SD card/install zip” and “choose zip from SD card/Internal storage” (From the location where you’ve stored”).
  • Now Select the Android 6.0 firmware package and flash it on your Samsung Galaxy Grand Duos.
  • Repeat the same for Google Apps package. (Steps from installing zip from SD card/Internal storage)
  • Reboot the system from recovery menu.

Voilà, you have the Android 6.0 Marshmallow on your own Samsung Galaxy Grand Duos. Comment below on how this worked for you and stay updated for more Android 6.0 news.

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