Don't have experience with that specific device, but it looks like an Android 6.0 build is available: http://forum.xda-developers.com/galaxy-tab-10-1/developmen

Don't have experience with that specific device, but it looks like an Android 6.0 build is available: http://forum.xda-developers.com/galaxy-tab-10-1/development/rom-android-6-0-marshmallow-t3266663 http://forum.xda-developers.com/galaxy-tab-10-1/development/...