Bricked chinese PX5 headunit - General Questions and Answers

Hello. 2 years ago bought a android headunit from aliexpress. Later on, noticed a bug - sound from bluetooth is quieter than from the radio. Tried factory reset, different equalizers, nothing helped. Then I tried to flash it with newer version, hoping that it will help, now it doesn't turn on, the screen is always black I can't boot in to recovery menu by pressing reset button and then pressing on it one more time, I was able to access it through settings. Maybe there is a chance to somehow make it alive?
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Related

big boot problem

my phone dosen't boot at all, it is stucked with this screen:
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I've reflashed it, but it is the same...
It won't do a hard reset to, i dosen't response.
After a little bit of agresive shakeing it started, but after the first restart it stuck again.
It seems to be looseing some contact inside the phone.
I've fixed it. I didn't sleep all night
The problem was with flat cable that was out of its contact place, I think it is because I've droped the phone once yesterday.

Octa-sp9853i bricked

I have a head unit on a 2012 Chevrolet Camaro, was working fine until one morning I turned my vehicle on and the radio doesn’t fully load up. It stays on a black screen and sometimes on the home screen but the touch is deactivated so I can’t do anything. The picture below was talent before the system bricked.
Any suggestions or firmware update would be much appreciated.
If you are an android developer I’m willing to play for other coding services.
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Dead 3a with unusual display

I have a friend who sent me this pic of her 3a that she said died suddenly while talking on the phone. I tried to tell her the steps for a hard reset and also for booting into recovery, but she says it only either goes to black screen or the screen in the pic. Since I'm not there and can't try it myself, I'm not sure if she's trying the reset / recovery button sequence properly.
Has anyone seen a screen that looks like this? If so, is it a hardware failure?
TIA for any input.
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Head unit won`t turn on

Hi, my android headunit untill yesterday worked fine. Today i have tried to turn on, but without success. After restart in recovery mode ( alt+printsc+i) it stops at message "Error wait here....". Headunit automatic turn off. What can I do?? I don˙t have experiance with device rooting. Thanks, MDA
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Not MTCD, requested moderator move to FYT forum.

Question T10 Head unit CANBUS for Mazda 3 frozen after trying to update boot logo!

I've been trying to set up a boot logo of Mazda and ended up I guess updating some software and when I restarted my car this happened. Nothing responds, nothing moves, the only phisical button is the RST which you can press with a needle but it only restarts it back to this. Nothing else has any results. I tried with a usb keyboard but it doesn't do anything. When I plugged in my phone on the usb it charges. But that's all.
What can I do, how can I reboot it. Please help
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