PX5 4GB RAM 32 GB ROM softkeys stopped working - MTCD Android Head Units General

My VW Passat PX5 unit softkeys stopped working. The rest of the touchscreen works perfect. Only the top menu not. I don't know what to do. I tried everything. Reset Factory reset software update...

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Going crazy! No way to put Malaysk ROM on head unit!

Ive tried everything I can think of and it wont work. I have two head units. My older GA5153 was almost too easy. I inserted the SD card into the GPS slot and the unit recognized it and suggested an update. A few minutes late...it was done! My new unit is a Witson that I found on AliExpress. I love the 9 inch screen and the fact that its a quad core, but the UI just isn't doing it. It remembers most things but there's little settings that revert every time you restart the unit. I want the new ROM on there but its just not happening.
The issues Im running in to currently:
Theres no Physical buttons on the unit. I should be able to use the reset as a select button but I haven't got that far yet. The problem there is every time I boot into recovery mode its just the android on his back and it says "No Command".
The unit doesn't do any type of auto update like the GA5153 did.
It almost seems as if the UI was designed to try to prevent people from upgrading. Any and all help is appreciated as Ive been at this for hours and hours with no success. Thanks guys!
Can't you use a USB keyboard?
themissionimpossible said:
Can't you use a USB keyboard?
Click to expand...
Click to collapse
As bad as it sounds, I didn't even think of that. One of the wiring harnesses in the back has a usb port on it. Ill have to see if itll read it when I plug it in.
The unit recognized the keyboard and it was functional while the unit was on, but it wouldn't work in the recovery menu. I'm not sure what to do anymore. All the ROM installer apps Ive tried have failed to recognize the ROM on the SD card. Its very frustrating but I will make this work.
What Witson model do you own?
Are you sure it's a MTCB HU?
Have you tried to contact the manufacturer?
I dont think your Witson unit is an MTCB HU.

Im Desperate :/ need help , Headunit mctb-yz

Hi ,
My head unit was working great until i had an electrical short in my fuse box , unit wasnt able to come up again , ao we did a hard reset after that it came up but all the buttons are missed up , dvd eject is navigate- home button is Bluetooth... And radio stopped working , tried factory settings but no success
My unit is mtcb-yz i think its roadmaster (RM1, YZ)
Android 4.4.4
Rk3188
Please help
looks like this here could be klyde with mcu of roadmaster?
dx.com/p/klyde-kd-7044-7-android-4-2-2-car-dvd-player-w-1gb-ram-8gb-flash-gps-wi-fi-for-kia-sportage-353715#.V1a9Ub7wx6I

Joying Ford Android failure

After 10 months working without any problems, last week unit won't boot and buttons stay lighs all the time.
Recovery is not available, reset doesn't help.
Only work eject button for CD /DVD when car is on ignition.
Link to YouTube
https://www.youtube.com/watch?v=cWt6fRlE_Sg
Sent from One+ 1⃣
Problem solved.
Core board 3188 was fault.
Now everything is going OK.
Sent from One+ 1⃣

Eonon GA9165A

Hi,
I just bought this android head and installed this in my car.It’s a px5 4gb with android 8.I really like this unit but my problem is that a part of the touch screen is not working.I tried to reset the touch screen but nothing happens.I contacted eonon and they gave a software update which i did but nothing changed and now i am waiting for another solution from them.
Do you guys have any ideea what’s the problem?
I attached a pic and highlighted the area that is not working.
Thanks

USB Problem with my Dasaita PX5 MTCE 8.0 Unit 4732 GB HA5336-V840-8

Hello ,
two weeks ago I bought that unit for my Mazda CX-5.
The problem i have is, when I start the car in the morning, no USB Port is available.
when I start the car later again, all ports can be used.
The seller said, it will be an inkompatible USB chip (my chip is GL850G) and I should replace the GL852G for the GL850G.
It´s no contact problem, I tested all possibilities.
Is it possible that the reason could be is a firmware problem.
My englisch is not very well, so please be answer easy for me.
thank you
Sven
Update to hal9k ROM, it's an hardware bug. The hal9k ROM resets the usb hub when HU boots.
You can read this thread for more informations : https://forum.xda-developers.com/an...x5-mcte-low-temperature-fix-wifi-usb-t3868388
Hello,
That's enough, and works?
Thank you
austinman said:
Update to hal9k ROM, it's an hardware bug. The hal9k ROM resets the usb hub when HU boots.
You can read this thread for more informations : https://forum.xda-developers.com/an...x5-mcte-low-temperature-fix-wifi-usb-t3868388
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Click to collapse
Hi
I have the same problem on my Dasaita!
the problem occurs only with the dab module connected to the cable with 2 usb, while the single USB cable, which I connected the 4G wi-fi router, always works.
If I will installed the hal9k ROM, could I fix the problem?
thanks
I purchased a Dasaita PX5 Android 8.0 headunt for a NISSAN X-Trail 2016 last August. Since autumn I've more or less weekly (sometimes daily) a big problem: the head unit restarts during nomal operation conditions and sometimes it even restarts up to 10 times!
After resetting the unit by pressing the reset button the system mostly runs fine. I think the main problem is the USB chip on board. I've read that there's an USB-chip issue. Dasaita suggests to change the chip by your own. Why they do not ship new updated boards?

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