MCU update fail - MTCD Android Head Units Q&A

Hi. Somebody knows what to do when MCU updating was failed? When i click install new MCU and android reboot, the screen was black and the buttons on radio was blinking all the time. After 4 minutes of this i press reset button and radio don't work anymore. I chosed correct MCU like was in my radio - mtce_mx 3.83 from xda... I plug out power cables from the unit and this don't help.
Or do you know where is MCU module located? On motherboard or coreboard? I can buy new coreboard and replace when it helps.

Read forums information is all there. Unless you can do basic stuff like read and hardware level identifying components, unit is a brick.
I'll say it again - MCU is not android. Don't update MCU unless there is a known reason to - if it's working don't update MCU

Ok but i can't find what to do and where is mcu on motherboard

Artiem said:
Ok but i can't find what to do and where is mcu on motherboard
Click to expand...
Click to collapse
Read forums some more

Related

Joying stock ROM

I have a MTCD Jeep specific Joying HU. The touchscreen is starting to fail and I need to send it in for warranty. I currently am using Malaysk rom and need to go back to stock before I send it in. Does anyone know where I can get a copy of the stock rom?
Have you checked the joying website? Appears they have update files in blogs and the forums.
Yeah-nah?
marchnz said:
Have you checked the joying website? Appears they have update files in blogs and the forums.
Click to expand...
Click to collapse
I found a page on their website that was for an upgrade. It also said on the page, " Note: Please do NOT upgrade ROM from Malaysk on forum.xda-developers.com or other brand. Because it is a serious issue, it will broken head unit and dead(WIFI doesn't work, head unit die). If you updated you do NOT update your lollipop anymore and will lost warranty. See this video https://youtu.be/pGCROGRV1Mo , it is NOT really android 5.1.1 lollipop verion."
So I am not sure if I should use it. I down loaded the zipfile and it contained 2 files, duplicate.img and dmcu.img. Duplicate.img is the same name as on the Malaysk's. I haven't seen the dmcu.img before.
Any thoughts?

Xtrons pb78attp mcu

I flashed an MCU Update to my XTRONS PB78ATTP without checking with version is installed.
results in problem with wheel controls not working.
can someone tell me witch MCU version is installed on the XTRONS PB78ATTP?

Brick px5(solved) and installing Android 10 ROM(please help)

Hi, I installed the mcu files by mistake and now the device is bricked and does not come up. It only gets stuck on the boot image. What is the solution? (How should the recovery file be injected into it?
Px5 unit head
I have tried many times with the reset button and it does not enter the recovery mode
If you have an MCU MTCD/E:
Instructions for entering the recovery are in the video:
If you can't get into recovery, try PX5 stuck in bootloop:
PX5 stuck in bootloop
This Post details how OTG/LOADER can be achieved to recover a corrupt PX5 or PX3 - any RockChip MTCx SOM Update 2/2018 - anyone can make a gig without modifying their main board. BUT FIRST try a USB port, some have OTG out of the box. From...
forum.xda-developers.com
The last option is to buy a processor board, the functionality of bluetooth and wifi is not guaranteed:
https://www.aliexpress.com/item/32840635444.html?spm=2114.12010615.8148356.45.b08425f6mrqGdk
Good luck
aliak122 said:
Hi, I installed the mcu files by mistake and now the device is bricked and does not come up. It only gets stuck on the boot image. What is the solution? (How should the recovery file be injected into it?
Px5 unit head
Click to expand...
Click to collapse
Is the device MTCD? Post MCU version.
Thank you all, friends of the device, it was fixed. But I just wanted to install the official Android 10 ROM via microsd, which unfortunately I still can't install. My mcu version is kld and I flashed the chs via sddisktool because the Android 10 version for kld has not been released. !!
Is there an installation solution via microsd?
aliak122 said:
Thank you all, friends of the device, it was fixed. But I just wanted to install the official Android 10 ROM via microsd, which unfortunately I still can't install. My mcu version is kld and I flashed the chs via sddisktool because the Android 10 version for kld has not been released. !!
Is there an installation solution via microsd?
Click to expand...
Click to collapse
But when I connect the microsd to the device, nothing happens.

Noob's looking for a way to upgrade his Head Unit

Hello,
about two years ago I purchased myself a nice head unit for my BMW (PX5) and it has been working nice since then, but it's on Android 9 and Google Maps won't update on my unit anymore, even though the maps themselves are being updated no problem. I fear that there will be no more updates for my apps if I won't do something about it and replacing the head unit is out of the question. I'd like to know how to upgrade my unit to newer Android version and if it's even possible. Disclaimer - I've never done that before so I'd like to do it as safely as possible so I won't accidentaly brick it because of a wrong software or something
The specs listed in the device are as follows:
Android version: 9
Compilation number: rk3358-userdebug 9 PQ2A. 190305.002 20190612.101357 test-keys
Kernel version: 4.4.167
MCU version: MTCE_CHS_V3.02_1
Also, there are MCU update and device update buttons in the settings, but the device won't do anything when I press the device update button and MCU update one tells me that there is no MCU file. What is this?

Rockchip rk3399 MCU cusp px6

Hi everyone, I'm kinda new here so this topic might have been up but couldn't find on a search. I have a Android head unit px6 MCU rk3399 rockchip for a 2012 Sierra Denali and it has no buttons other than a small reset hole that only restarts the unit. I was able to root it runs Android 9 but I can't get viper4android or any type dolby installed because when updating the su binary it bricks the unit. Also cannot get to bootloader. It's like it doesn't have one. Tried reiboot for Android and can get it to recovery but that's it. I was curious if anyone has been able to figure this thing out. Like installing a custom recovery, TWRP... Any advice would help. Also I was wondering if it is possible to create a bootable Android flash drive for Android 9? Thanks in advance and if I'm out of line asking or if I'm in the wrong place asking this you could tell me to f-off and I'll understand

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