I recall people discussing this problem about a year and a half to two years ago. If you’re viewing this on the mobile site, You might find the discussion and suggestions about 20 to 30 pages back.
IIRC, The latest version of the RaceWare software requires the latest firmware. The update from the Play Store is supposed to install the firmware first. It’s possible that maybe the firmware didn’t update properly, causing the issues you are seeing. Anyway, the procedure outlined in the thread helped out at least a few people. I hope that helps.