On Monday, April 15, 2019 at 3:33:22 PM UTC-4, Steve Leonard wrote:
I had 4 Model 20s updated to fix the dead internal GPS battery a couple of months ago. All handled this latest roll-over properly. Same result for the Model 20s I have that have not yet had the internal GPS battery fail and have functioned and had the correct date since initial purchase.

Steve Leonard
Keeper of the Cambridge Model 20s

I have had 2 older Garmin navigators stumble on start up.
Non aviation
UH