In this tutorial, we show you how to install Android 6.0.1 Marshmallow (CM13) on Galaxy Grand Duos I9082. Besides the pure Android experience, Marshmallow update brings features like Doze mode, app control and app permissions management, Now On Tap, etc. to your Grand Duos. Also, the update may extend the battery life by 20%.
To install Android 6.0.1 Marshmallow (CyanogenMod 13) on Galaxy Grand Duos I9082, your device should be updated to stock Android 4.2, because this custom ROM does not work on 4.1 stock ROM’s bootloader. Also, the Marshmallow update for Grand Duos given below can be installed only by using a custom recovery like TWRP and requires root access. Important Note: Keep in mind that, this unoffcial CM13 ROM is experimental and contain several bugs. It may brick your device, so use at your own risk! Backup every data before flashing the ROM. What does works (as of January 26, 2016 ): Known Issues: Installation Instruction:
- Download the Android 6.0.1 Marshmallow ROM zip file [HERE] and copy the zip file to root of your SD card (not in any folder)
- Now, boot your Grand Duos into custom recovery mode. To do so, switch Off your device and press Volume (+), Menu, Power buttons together.
- In TWRP recovery, select ‘Wipe’ and do a full wipe (cache partition, data wipe/factory reset, dalvic cache)
- Now, select ‘Install’, choose ROM zip file and flash the ROM.
- If you want Google Apps, flash Gapps as well (download Marshmallow compatible Gapps [HERE] and copy it your phone)
- Once again, do a full wipe (Data wipe/ Factory reset, cache partition and dalvic cache)
- Now, go to the main menu and reboot your phone. Your Samsung Galaxy Grand Duos will boot into Android 6.0.1 Marshmallow OS version. Setup and enjoy (Source – osas514)
