Was on a long ride today and my 520 froze at around the 8 hour mark. This happened while I was scrolling through my screens. It is completely unresponsive and I cant restart as buttons do not work. I have tried plugging it into power and nothing` happens! Some 3 hours has now lapsed and still showing the frozen screen. I am very upset as I assume I have lost data for the ride which finished at c. 240k. Could someone let me know how I can restart? Or is it a matter of letting the battery drain - I think it was on around 40% at the time.
I managed to restart by doing a soft reset (power+lap+start buttons). The ride was saved but at the point where it locked. Any ideas what may have caused this?