Sorry but where on the device. I’m using a Nvidia Shield running Android. Does DJI-GO have a folder somewhere???
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Sorreeeeeeee!! Senior moment 
However, having plugged my Nvidia into my MacBook Pro I can’t even see it, doesn’t appear in Finder or anywhere else. Do I have to download something else so the Apple will “speak” to the Androids?
No worries. If you need additional assistance, just ask. 
However, having plugged my Nvidia into my MacBook Pro I can’t even see it, doesn’t appear in Finder or anywhere else. Do I have to download something else so the Apple will “speak” to the Androids?
Never tried it myself. It is usually the other way around. Try this link something that may work on your Macbook.
This is really helpful! So I think in my case, props are all good but just because going from full down throttle to zero too often ejected a prop?
Fantastic Fly_Dawg, installed the app and have downloaded the file to my computer and entered it into the file reader. I now have a Google map with my flight plan on its and a long list of all the various parameters second by second. Where do I now go to get the fancy graphs etc please?
It doesn’t happen often, but it is very possible as a cause for prop ejection. When you go full throttle in descent and release the throttle, the aircraft slows the motors very quickly, which in theory is similar to reversing the motors, but does not actually do so. If the props are too loose they could unscrew themselves from the motor.
Those are done externally. You would need to download the .csv file from your uploaded file.
(See Below). Then you will need to use an external grapher. You can use Excel, but personally I do not like their graphs. I use 2 different ones. One for the regular .csv and one for the Verbose .csv. You would probably want to use Bud Walkers CSV View and view the verbose .csv with that. The link to that is provided below as well. There is much more to it than you may think, but that will get you started.
Here is the link for the other software.
Thanks for the advice but think I’ll leave this to you guys, way outside my limited computer skills 
At least you now know how to upload the device files. Those are used more than the aircraft .dat. If you ever need one charted just ask. 
Many thanks, you guys really are great! Just out of interest I’d like to see how I’m flying this thing!
I have no idea how to upload the .txt file here even other than to copy/paste ??
That’s what you do with the link. Copy and Paste…
The only place the .txt file its at the moment is on my desktop. I guess I have to put it somewhere on the web where it will have a link??
You upload that txt file to the link I gave you previously. Once the file is there on the Phantom Help Viewer, copy and paste that link to the uploaded file here.
So the idea is that when I try to land or even just want to descend drone a little bit, I should NOT use full throttle but do it gently. How about going forward or backward? Is full throttle also a bad behavior and may lead to props ejection?
Correct. Now, what is it that you are looking for in the data?
Yes, that should be the manner to do it. Forward and backward, side to side, do not have as much an effect as the throttle does in the case of prop ejection.