I also have an issue with the GPS. I installed the antenna at the bottom right of the windshield as recommended. My phone can lock 90 satellites in seconds using GPSTEST, whereas it takes up to a minute for DUDU7 to lock in about 15 satellites maximum. This is a big problem when in the city, because the GPS loses signal for 5-10 seconds frequently.
What is the solution for this?
Change the DUDU GPS antenna to a better model?
Is there a setting that is relevant that we can change?