Teyes cc3 not working after car battery was changed. - Android Head-Units

Hello!
I bought a Teyes CC3 in June 2021 for a VW Scirocco R 2012. I managed to install the product and everthing worked fine until this week when i hat to change the battery of the car. After the battery was changed the teyes stopped working. It only works when the car is in reverse mode. When the car is in driving mode the screen turns black. I also did an update of the software but changed nothing. Also checked the fuses and no problem there.
Any advices please?

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Avin Android -----need a big help -----

Good morning, I'm MARCO from Milan Italy. I hope that someone can help me
I have got an Avin unit Avant 2 for BMW E46 purchased on january 2015 with Android 4.4.1 and last firmware release
After two years of perfect run now I have a big problem. I want to make a short summary of avin e46 isuues. (sorry for my bad english)
On the 2th January 2017 in the afternoon I start my car from a park and avin unit run without problem;
After 10 min of travel with navi on, unit stop to run screen become black and when I restart the car or the unit avin logo was showed for a few second and after disappear:
On the 3th January 2017 when I start my car in the mornng unit was run regular but during the day i park my car and when i restart I've got the same issue of day before. So I try to make a soft reset but nothing run (
On the 4th january 2017 I hope then unit start after the night but when I start my car in the morning nothing run. Avin logo appears NOW for less than a second and anything run.
So I wrote an email to Avin support and after I try to:
- check wires and check battery (wires ok battery is a brand new exide plus)
- made reset factory whit power button (8 shot + 1 15 sec as you suggest) result RESET FACTORY DON'T START
- update with sd card in navi slot and reset hole with your software update result UPDATE DON'T START
- remove unit from the car and power in with a 12v dc external power source result SAME ISSUE THAN MOUNTED IN CAR
All thing that I do give me the same response: nothing.... run and avin logo for less then a second (power is ok because red light is on, cd run ecc ecc)
Please someone can help me because buying this quality unit was very expensive I have preferred it for a cinese unit but I need that it works fine. Thank you Marco
When my Avin Avant 2 was bricked i used this link with the malaysk rom.
https://forum.xda-developers.com/showpost.php?p=67184851&postcount=50
Create the sd card with malaysk rom. Put in the sd in the gps slot and set the car to acc. This should start the update. At least thats what happend to my Avin Avant.
THANK YOU my unit think does not boot. Avin logo appears for less than a second
what kind of rom did you choose for Avin Avant 2? Thank you very much Marco

dead witson kyd rk 3066

In November 2015 I bought a head Unit from Witson company. It is MTCB-KYD-V2.59 Coreboard rk3066. Device worked 1,5 month. When I was driving a screen turned to black but FM radio was still playing. After a few resets device completely died. In February 2016 dealer sent me a new coreboard for free, which I replaced. Device was working two weeks. Screen turned to black. Last symptom of a living were the black screen with white verticals stripes. I can’t reboot it and a seller hadn’t answered for my emails. I don’t know if the problem is in the screen or coreboard? Any suggestions?

Need Help! Klyde RL7A not working!

Can anyone help me. I purchased a 12.8 tesla style unit. MCUVer says RL7Ac_KLD9M_dsp-F031 -V1.01.009CYPR. Everything was working fine until one day i got in the car and nothing played from the speakers. Unit was working fine. Then The next day the screen went black. Now if the key is in Acc the unit works fine, plays music but the second i switch key to on the image on the screen gets frozen and then fades away. I conacted the company and they want me to send the unit back for repair but i checked prices and its $100-200 to ship back. thats 30 to 60% of what i paid for the unit. Should I just cut my loses and go with a different brand?

Display and key problems with Avison RS510

Hi all,
I'm having issues with an Android head unit I installed a couple of years bought from carpar.nl. It's an Avison RNS510 (8227L) replacing my Skoda Fabia Swing stereo.
The other day the display gave up the ghost and started showing flickering white lines. I've checked connections at the back and wiped the unit with no success. Any ideas? Cheers.

Junsun queries

Hi all, I’ve got a cheap Junsun unit in my 2008 Smart Fortwo and it’s a great piece of kit. But I have a couple of questions if anyone could help..
1- the illumination on the ‘buttons’ stops after the car is switched off and back on the next day. Which is annoying as in the dark you have no idea where the volume is!
2- when the ignition is turned on, the unit fired straight back to where it left off, assuming it’s running in the background and just in sleep mode and draining battery? Should it not completely shut down and then boot from scratch every time?
3- when it does completely shut down and reload, all the time settings have changed and needs to be set again.
Is there a secret menu somewhere that I can change these settings, or is just how this thing works?
This is a link to the unit I have..
2+32G 9" Android 12 Car Radio CarPlay Sat Nav GPS DAB For Smart Fortwo 2005-2010 750250719466 | eBay
Find many great new & used options and get the best deals for 2+32G 9" Android 12 Car Radio CarPlay Sat Nav GPS DAB For Smart Fortwo 2005-2010 at the best online prices at eBay! Free delivery for many products.
www.ebay.co.uk
Thanks in advance
KI know it's irrelevant but. How can I create a new topic in this forum?

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