OK so I have managed to successfully install onto a new Nexus 7 2013 running the Mashmellow 6.0.1 Andriod MOB30X.
There was no single source of information which provided exactly what I needed. My first hurdle was that I was running a Mac and even though I have Parallels and Windows 10 I could not get the Nexus Root Toolkit to work correctly - problems with the USB drivers and Parallels.
So I found a "Real" windows machine.
Providing you download all the updates to NRT it seems to work ok. Just make sure you unlock the boot loader first. The tablet has to be in the right mode
I used the following links to provide me with all the information.
http://www.teamandroid.com/2016/01/0...factory-image/
I think the key is to watch all the videos - end to end, which provides you with sufficient background information to make educated decisions when things are not exactly the same as the video - which is invariably the case with new versions.
I do have 1 QUESTION.
Do I need to be concerned about any automatic updates to Marshmellow etc which might break something ? Should I disable these and if so where do I do this ?
Thanks
Dave