Good surprise during the ARC transatlantic 2011.
After transferring photos from my device to my iPad, for an unknown reason the storage memory was full. I had 9GB free and I only transferred the contents of a 2GB SD-Card. Mystery !
Anyway, after two or three system messages warning me of the upcoming saturation, iOS 5 has simply deleted all my Navionics map used by iNavX !
When asked by e-mail, Rich Ray confirmed the fact possible :
"This is an unfortunate change in iOS5, the iOS will and can clear any apps downloaded data without notice if another app needs more space.. iOS doesn't give any notification to the app if this happens".
Olivier Bouyssou told me it was possible for developers to store application data in a folder reserved unerasable, but that this was rarely allowed by Apple. This was a big problem because no one knew how iOS selected which apps it cleared from.
Yachtmen my friends, be prudent : if you do not want to lose your charting during the cruise, away from any network allowing you to download them again, monitor the available space of your iPad and iPhone.





