Ok, good, so the phone is set up correctly (it should be as an update shouldn't really change app settings). I'm not familiar with the app, but it's a vehicle tracker, which you're subscribed to and have an account ?
The only other thing to try is to log out (on both devices), then try going to settings, apps, TruTrak and deleting cache and storage data. You may have done this already, but try once more and then reboot the phone. When phone has restarted log back in, set up the app with all permissions and notifications as before then see if it works (sometimes uninstalling and reinstalling doesn't remove the data, which may have been corrupted).
