On Monday, February 6, 2017 at 7:49:01 PM UTC-8, JS wrote:
On Monday, February 6, 2017 at 5:31:41 PM UTC-8, Casey wrote:
I believe the one time I had to reinstall data files was due to an iOS update. And I belive the clearing of data from parameters and map data is from storage availability. I have too many apps and photos and sometimes forget about adding more photos.

It might sound completely crazy, but how about using a dedicated device in the glider?
Jim

I do. An iPhone 6 Plus.