Apple car play issue - MTCD Android Head Units Q&A

Hi, I have connected z link to my phones bluetooth and to the oem audi for mercedes. When i connect zlink no audio comes out through the system? What settings do I have to switch.
As attached no audio is coming from the spd bt setting

Is the unit MTCD type, post Android system information including MCU version.

Crickets....

Related

Bluetooth setting in factory settings.??? MTCD KLD (seicane mk4 golf HU)

I updated the MSU and Seicane sent me a new system update. MCU is MTCE-2.65. After updating was complete i had lost my Bluetooth. WIFI works normal and all buttons around the HU is working normal Bluetooth is missing the device name and pass code that was there when it came stock. wont find my phone or odb2 adapter. I was wondering if there is a posiblity that it some how changed the Bluetooth settings?
Did you find a fix?
Hello Cody,
Did you get any feedback on this?
I've got the same problem on a MTCD GS unit, unresolved!
Richard.

Bluetooth controller on dasaita px3 with androit 7.1.2

Hi, i have a dasaita headunit like the title.
I would like to pair a mini controller bluetooth (similar at devices that we using with VR visor). The problem is that the headunit detect this controller in settings and in bluetooth app, but i cannot click on it. I read in the forum that is not possible connect device: only phones and OBD. There is any workaround? I have a rooted devices.

External USB dongle on PX5

So, the Bluetooth function in Android Headunits act differently than an Android tablet would, for one, it's a handsfree receiver that does not allow (correct me if I'm wrong) uplink with another device.
I have a DSP amp combo that uses BT to connect to an Android phone/tablet, which works fine, but my Dasaita PX5 won't connect to it. It just sees it, pairs, but doesn't connect.
Is there any way I can use a generic Bluetooth USB dongle to connect to it instead? Or is there any other way to allow connection with other BT devices (I have no luck in connecting OBD dongles too, BT or Wi-FI).
Thanks.
The device isn't an MTCB, being a dasiata it's likely an MTCD.
The answer to the BT question is no, you can thank the developer of the device for the hacked BT implementation.
Requesting mod moves to MTCD general.
Cheers! I've been out of touch for a bit and completely forgotten about the MTCx denominatin,
Thanks.
marchnz said:
The device isn't an MTCB, being a dasiata it's likely an MTCD.
The answer to the BT question is no, you can thank the developer of the device for the hacked BT implementation.
Requesting mod moves to MTCD general.
Click to expand...
Click to collapse
So just to be clear before I go down this path, there is NO external USB bluetooth module that will work with an MTCE head unit? Even if the USB module somehow uses the driver/firmware in the factory settings dropdown?

Android Auto says to Head Unit Bluetooth "This device does not support the Auto Launch feature"

Hi All,
I am a layman in Android Development or coding. Recently I upgraded the Android Stereo in my car that is sold in India in the name of Woodman ( Its the same config of Joying UIS 7862 4GB RAM/64 GB ROM with Android 10).
I am using Samsung S21 with Exynos processor in India that has Wireless AA support.
Head unit on paper says "Wireless + Wired Apple car play support but only wired for Android Auto".
The stereo has an app called Car Link that has to be opened on head unit screen to work while to connect your phone using USB Cable. It works with USB as mentioned. But I am looking to get the wireless support as well.
Is there a way I can tweak the bluetooth or something in head unit and get wireless AA working?
I did my R&D to get it work but failed. in AA setting I found that under Autolaunch settting it particularly says that head unit bluetooth in does not support auto launch (See the screenshot attached).
Thanks
Deepak

Question PX5 Android 9 replacement no sound

Hello. I fixed the damaged radio by replacing the PX5 module. The radio has started working, however the sound is only from the radio and bluetooth. No sound from USB, internet, navigation - displaying correct. I don't have an amplifier in my car. The radio comes with a CANBUS but I have a version of the car without CANBUS. Could this cause a problem with the sound? Please help.
You are in the wrong Forum. This is for FYT Head Units and you have an MTCD Head Unit. There is a forum for that where you will find the right people.
But anyway, did your unit used to have a PX5 and you replaced it by another PX5? Audio selection and processing happens a the Motherboard (the MTCD). There, the chip in charge of Sound source selection and processing selects from Bluetooth Chip, Radio Chip, and the PX5 (that generates any App-sourced sound like Navigation and MP3 playing). For some reason either the motherboard does not like your PX5 (faulty?) or there is some misconfiguration at the Android Level and PX5 is not reproducing sounds.
Have you changed anything on the Factory Settings?
But definitely your problem is not at the Canbus, but either at Android Config, PX5, or how the MTCD is communicating with the PX5
Thank you very much for the information, I'm new here so I'm still lost. I will move the topic to the appropriate forum. Thank you.
Hi, post system info, mcu version.
MCU version CSN2_D_1152020_114103
Android 9
bogsie said:
MCU version CSN2_D_1152020_114103
Android 9
Click to expand...
Click to collapse
It's not an MTCD unit, search forums for CSN2

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