Install Marshmallow Android 6.0 on Galaxy Tab S LTE 10.5 SM-T805 [AOSP]


Android 6.0 Marshmallow is now available for Samsung Galaxy Tab S 10.5 via AOSP custom ROM. Android 6.0 Marshmallow is already released officially for Nexus devices and now AOSP ROM developers at XDA are busy in preparing AOSP custom ROM based Marshmallow firmware for multiple devices. Now another Android Marshmallow build for Galaxy Tab S 10.5 is out, you can easily install it on your device by following our guide below. Android 6.0 Marshmallow comes with multiple improvements over the previous firmware including better battery optimization and stable and improved performance.

Galaxy Tab S 10.5 LTE is just another device going to taste the  latest Android 6.0 Marshmallow firmware through custom ROM. The Android 6.0 Marshmallow ROM for Galaxy Tab S 10.5 is currently in the testing stages and we have mentioned below the features in the ROM currently not working by this Oct 28 but these little glitches will be fixed soon in the future updates.

How to install Android 6.0 Marshmallow on Galaxy Tab S LTE 10.5 SM-T805

Before you Begin:

Disclaimer: This tutorial includes multiple operations including Custom Rom, custom recovery etc. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.


  • Please ensure your phone battery should be charged at minimum 80%
  • Download Samsung USB drivers
  • Your device should have a working TWRP or CWM recovery installed in your device.

Necessary downloads:

Process to install Android 6.0 Marshmallow on Galaxy Tab S 10.5 SM-T805

Connect your device to your PC and copy the both ROM and google apps zip files onto your device storage.

Turn of your device and boot into TWRP custom Recovery menu by the hardware keys combination or using any third party app (Mostly found in Play store).

Once your device enters into TWRP recovery, create a Nandroid backup of your device or follow our guide to create a Nandroid backup (this will create a backup of your complete device including current firmware) if something goes wrong you can restore your previous firmware.

Once the Nandroid process completes, tap on “Wipe” and then swipe the slider from left to right to begin the wipe process (This will reset your device to factory)

Now it’s the time to flash the Marshmallow firmware on your device. Choose install and navigate to the folder in which you have copied the ROM zip file

Swipe across the slider to confirm install, wait for a few minutes till the file is completely installed in your device.

Once done with the above step, now apply the same process with the installation of gapps and then SuperSU

Wait for the installation process to complete.

Once completed Reboot your device.

If your device is taking longer then 7-10 minutes then follow this guide to to fix this issue

That’s it! You have successfully installed Android 6.0 Marshmallow AOSP ROM on your Samsung Galaxy Tab S 10.5 SM-T805 along root access. If you have any query feel free to contact us by posting your queries in the below provided comment section. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.
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