Gps not working on latest dudu OS 3.6

Cuoresportivo

I have device more than six months, never have any problems with GPS, Antena installed on top of windshield.
I'm gonna try to rollback to 3.5 then ota to 3.6.
I have 3.6 beta version first installed, maybe this is problem.

Ryske

Cuoresportivo if you have no problem why would you roll back ?

gismo

Cuoresportivo I have 3.6 beta version first installed, maybe this is problem.

Doubt it, I had all beta versions and don't have the issue...

Cuoresportivo

I meant before 3.6 update never have the problem.

DUDU-Meng

Cuoresportivo
请问你使用的也是DUDU6这个型号吗？
也是升级3.6之后没有GPS信号？

Ryske

Cuoresportivo yes we agree on that

DUDU-Meng

Ryske
Hello, are there any issues with the latest system firmware or GPS?

Cuoresportivo

I just discover what was the issue with the bad GPS signal on my unit.
When I play my music locally from hard drive connected via usb, GPS signal goes bad, when disconnect hdd it goes back to normal.

I don't know is it software or hardware related but I assume it's dropping 5v rail voltage that I think GPS antenna uses.

Only happens when using hdd, if i connect my phone on USB everything is normal.
Hdd is working as it should, I tried formating, nothing change.

DUDU-Meng

Cuoresportivo
The state you describe is normal. Even if it's a laptop and you're using a usb to plug in a removable drive that hasn't been shielded, it will interfere with the wifi signal in the 2.4G band.
GPS has a much lower band and can't penetrate any interference sources.

Ryske

DUDU-Meng yes still same issues in the latest fw gps still not working

DUDU-Meng

Ryske
If the antenna connection and signal reception are both functioning properly, then the issue may lie with the hardware.
Based on your previous logs, the software appears to be working correctly—it's simply a matter of weak signal strength.
Please consult your sales representative; it could be a hardware-related problem.

Ryske

DUDU-Meng i dont which language i have to say that :
when i downgrade to 3.5 everything work perfectly when i go on 3.6 any version GPS stop wworking

So antenna, hardware, connection, and everything work as in thee 3.5 all tested working
only change is update to 3.6 so issue is in the OS

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