Replace motherboard or bluetooth PCB on MTCD KBT Eonon GA8166A (PX3) - Android Auto General

Hi,
I´m having issues with an old Eonon GA8166A unit in a BMW X5 E53 where the Bluetooth is very unstable (does not work when the unit is cold and only intermittent after multiple restarts).
Since the unit is discontinued and out of warranty I´m wondering if it is possible to replace the motherboard and/or bluetooth module on this unit? I believe it is a px3 board with android 7.1.2 and MTCD KBT 2.61.
Maybe it is possible to upgrade to a newer board with better cpu/ram while still maintaining the integration with car system (canbus).
Any help would be greatly appreciated.
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New board new radio chip- better reception??

Hi
A while back I thought I toasted my motherboard using the 7floor mod. I managed to get the board up and running. I ordered a replacement from HK and it has now arrived.
Now looking at the new motherboard there is a different radio chip TDA7388 which is mounted in the rear (no chip on the original board). Do you know if this chip would have improved reception as the older boards radio reception is poor with a chip TEF6686, lock does not work too
Here are the photos.
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thanks
This is the amplifier IC, not the radio!
I have great reception with the TEF6686
The best is the Placebo brand chip.
your tunner is the metalized cage box at the left dont go there it wont work ... tried that

my head unit is not working

Dear All
i have doing stupid things in my unit
my unit is not joying and i have updated wit joying firmware after that the unit is working with top message that Ui and MCU not matching so i dissed to downgrade with original firmware so i use custom recovery apk
after restating my unit its not working any more i have been trying to restarting several time with reset bottom but nothing is happen except logo joying is appear for 2 second then black screen come again
here photo for my head unit
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Dears
kindly guide me to the right way so i can fix my head unit
Dears
here the video for same unit i hope some one can help me
https://www.youtube.com/watch?v=WzawTy4XmII

Problem 3G connection Chinese Android car radio with Rom Malaysk

Hello, I write asking for help because I have a particular problem regarding my Chinese car radio, the brand sincerely does not, it has a Rockchip RK3066 dualcore, 1024x600 resolution, MCU MTCB-KGL4-v.2.55 to test a Malaysk ROM, everything works except the usb connection for the 3G key, with the original version worked. I hope you can help me solve this problem, maybe a tip to return to the original rom, which of course I no longer have. I attach the photo of the car radio.
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XTRONS S07 Ford Focus Android Car unit firmware update needed

Hi everyone
I am hoping someone can help me or direct me to the correct thread, I have ford focus with a Xtrons android unit , model S07, i bought this unit in 2015 and it has served me very well, I put Sygic and google maps on the unit but dear god its a bit slow and GPS is erratic.
I emailed the manufacturer for a firmware update but all I got back was them saying they don't have any updates for this model anymore.
I have attached photos of the information I have from the unit
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if anyone has a firmware update at all that I could use to update this unit to at least Android 5.1 I would be eternally grateful
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Not Android Auto. Will request mod moves to MTCB forum.

XTRONS S07 MCU version MTCB-GS-V2.73 Ford Focus Android Car unit firmware update needed

Hi everyone
I am hoping someone can help me or direct me to the correct thread, I have ford focus with a Xtrons android unit , model S07, MTCB-GS-V2.73 I bought this unit in 2015 and it has served me very well, I put Sygic and google maps on the unit but dear god its a bit slow and GPS is erratic.
I emailed the manufacturer for a firmware update but all I got back was them saying they don't have any updates for this model anymore.
I have attached photos of the information I have from the unit
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if anyone has a firmware update at all that I could use to update this unit to at least Android 5.1 I would be eternally grateful
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Hassan
Same problem...

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