@GPSSMann,
You are the only one that I know of that is having this problem. As it does not effect your travel other than giving you the wrong arrival time you still get to your destination any way with traffic and speed cameras working.....
Plus I only have one GPS app on any of my phones or tablets. The same with I do not have 2 or 3 Garmin GPS units in my car.
But that is just me when it comes to trouble shooting any problems I might run into. Many user like to fill there smartphones up with all types of app and some can have an effect of other app without the user knowing that is the cause of the problems. Then there is the comparable issues seeing that the app has been around long before Android 12 came out. There are many factors to consider if it will work correctly or not on your phone. With all the GPS apps I have tested over the years along with all my Garmin units I have not run into the time jumping back on hour.
Have you tested it on another smartphone??
If arrival time is that big of an issue then use a different GPS app and there are many here to try. See that tomtom Go 1.18.2 2169 is no longer an option for you to use.
Good luck finding a GPS app that fits your needs.....
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