Whether using my car's OEM GPS antenna or the one provided with Dudu7, I notice that the GPS update speed is super slow. You can see this with the speed widget as it moves by 3 km/hr and every second instead of quickly. Second way to notice is running Waze, the movement of the car is stuttered (not smooth). Is this a known issue with GPS software?
GPS signal slow to update
https://forum.dudu-auto.com/d/14-how-to-give-correct-feedback-on-bugs
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