How to Fix GPS Not Working (Speed and Coordinates Show '- -', Wrong Parking Location) on the 70mai Omni (X200) 360° Rotating Dash Cam
Causes The Omni only writes speed, latitude and longitude watermarks after its built-in GPS completes a satellite fix — before that the watermark reads '- -'. 70mai's Omni FAQ lists cold-start positioning delay, a metal film on the front windshield blocking GPS signal into the cabin, and coverage dead zones such as underground garages and tunnels as the three main reasons...