Malfunction with Xiaomi - Android Head-Units

Dear XDA users!
I have a problem with my android auto system in my car and unfortunately i don't know what should i do for proper operation.
So in my car I have an Eonon Headunit with android 10. My phone is a Xiaomi Note 8T with Miui 12 - android 10. I bought recently an Android Dongle from Carlink.
For my headunit i downloaded and installed the autolink app from the link on the package. I wanted to install the android auto app from Google Playstore, but my phone showed the app is already installed with the latest update. I checked the applist but it wasn't shown - any icon. In the settings I checked the app settings and i found it as a system app - it can't be uninstalled, only i can delete the update to restore the app, but any option to open it.
I connected the phone to my headunit through the dongle and my phone loaded the android auto wizard setup. I allowed everything what i could, but there was an error message with google voice assistant.
After it on my headunit i saw the android auto, but with few features. On my phone I use Spotify, Youtube Music, Waze, etc. On the headunit i saw only the waze, any spotify or yt music, any message app - messenger, whatsapp, sms. The resolution was incorrect, "blurred" screen, no main screen - only some application selection menu.
What I saw in videos from android auto it was completely different.
Could anybody help me what should i do? Has the unit from carlink fault or is my phone bad? Or is the headunit incompatible with this dongle? - But I don't undestand why is the android auto system app and why don't i have any option to open it on my phone.

Not Android Auto, requested mod moves to Android Head units forum.
OP - note that your phone shows no AA because the head unit is not AA.

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[APP] BMW Original Display Switch

Hey,
I've been playing for some days with the stock apps source code. My goal is to be able to use the Idrive controls in my own apps.
I found how to switch to the original BMW display using an Android Intent.
So I made a little application that switch to the original display. It can be usefull when you're using a custom launcher. You just have to create a shortcut to this app and when you launch it, it switches to the BMW display.
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https://drive.google.com/drive/folders/1i3_wd59aJNJ_w48s5I2K_rtRS0Q_soKd?usp=sharing
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Yulu E10 Plus - Auto Start Apps/Alexa

I currently have the Yulu E10 Plus for F150. My specifications are attached. I have an Alexa Auto that works well with the device, however, in order for it to connect the Alexa app requires it is open. I wanted to automate the opening of the Alexa app, however, there appears to be no native way to do it. I tried using an app like Tasker or Automate but it has a couple of problems.
1. The device kills all apps that the user opens when it sleeps or restarts.
2. Accessibility settings are turned off after each sleep/reboot.
I wanted to root to whitelist certain apps but there does not appear to be solid information on how to accomplish that for this model of head unit. It does have the UIS7682 CPU but none of the information I have found in the forums covers that along with the specific MCU and System version. Want to be sure as to not brick my device.
Wondering if anyone has advice or experience with this type of head unit.
Thanks in advance!
swifty1290 said:
I currently have the Yulu E10 Plus for F150. My specifications are attached. I have an Alexa Auto that works well with the device, however, in order for it to connect the Alexa app requires it is open. I wanted to automate the opening of the Alexa app, however, there appears to be no native way to do it. I tried using an app like Tasker or Automate but it has a couple of problems.
1. The device kills all apps that the user opens when it sleeps or restarts.
2. Accessibility settings are turned off after each sleep/reboot.
I wanted to root to whitelist certain apps but there does not appear to be solid information on how to accomplish that for this model of head unit. It does have the UIS7682 CPU but none of the information I have found in the forums covers that along with the specific MCU and System version. Want to be sure as to not brick my device.
Wondering if anyone has advice or experience with this type of head unit.
Thanks in advance!
Click to expand...
Click to collapse
First you could check if your device has the option to auto start the navigation app and if you can set another app as navigation app.

Android unbranded for car lost Zlink

Hello all,
I've just got an Android unbranded tablet for my car (BMW E82) yesterday.
It's a 10.25 touch screen with Android 10.
Under System Information, I can read: version HY: V2.32.4core.201113.
I can enter to factory settings via 8888 code.
It came with Zlink already installed, and I could make it work perfectly yesterday with my iphone & wireless carplay.
(I can't remember actually if it was Zlink or Zlink5 but it worked good).
Today, I mistakenly cliked on reset to factory, and after the headunit rebooted, the Zlink app is not present anymore.
I am struggling to get it back...
I have found some Zlink apk files in forums, but none worked for me.
Does anyone know if it's pre-installed somewhere on the head unit, and I just need to enable it ?
Or should I install it with an apk file ?
Thank you in advance,
alec0178 said:
Hello all,
I've just got an Android unbranded tablet for my car (BMW E82) yesterday.
It's a 10.25 touch screen with Android 10.
Under System Information, I can read: version HY: V2.32.4core.201113.
I can enter to factory settings via 8888 code.
It came with Zlink already installed, and I could make it work perfectly yesterday with my iphone & wireless carplay.
(I can't remember actually if it was Zlink or Zlink5 but it worked good).
Today, I mistakenly cliked on reset to factory, and after the headunit rebooted, the Zlink app is not present anymore.
I am struggling to get it back...
The Zlink app that I have found in Play Store asks for an activation... Which seems to not be free.
Does anyone know if it's pre-installed somewhere on the head unit, and I just need to enable it ?
Or should I install it with an apk file ?
Thank you in advance,
Click to expand...
Click to collapse
i think you can find it in settings then in factory settings it might your factory setting have password 1617 or 2010 try any one of this password. there you will find the option name feature settings in there find “phone connected” or something like this tick that option and you are ready to rock again.
https://youtube.com/@rajuradios
do not forget to subscribe my channel if it helps you buddy
rooblevarn said:
i think you can find it in settings then in factory settings it might your factory setting have password 1617 or 2010 try any one of this password. there you will find the option name feature settings in there find “phone connected” or something like this tick that option and you are ready to rock again.
https://youtube.com/@rajuradios
do not forget to subscribe my channel if it helps you buddy
Click to expand...
Click to collapse
Hi Rooblevarn,
Thank you for your reply.
I tried the 1617 and 2010 passwords, but they don't work on my Head unit.
The only password that worked for me so far it's 8888.
I can then get into a factory menu as shown in attached picture.
I have looked everywhere in those menus, but I can't find anythink similar to "phone connected".
I suppose that Zlink app was installed manually by the vendor before he sold me the head unit, and the only way for me to get Zlink back, is that the vendor send me the file that match this unit to be installed....
Problem is that I don't have vendor contact.
I've been in contact with one of the vendors of an Android 11 HU I recently purchased,
#1 - It's tough to communicate with them
( they are all in China, and it's clear they translate English using Google-T )
I don't know the specific build for your system, but Zlink is somehow tied into the entire Android Build Version which they custom build for each HEAD Unit.
I have provided two different files here. READ this carefully.
The file starting with:
gongban_92_Zlink - is the older version of Zlink. It may be less resource intensive, but it works similarly to the new Zlink5 version.
The file starting with:
gongban_F92XX_Zlink5 - is the newer version of Zlink ( or at least as new as it can get) ( This was given to me by the manufacturer's tech dept in March of 2023. )
The way I was told to install these is to:
- Save which ever one you want to install onto an empty USB stick.
- DO NOT change the name or the extension of the file.
- Plug in the USB stick
- Open Your App Drawer > Find Car Settings > Find System Information
- There could be a button on that System Information screen that says: Android Update ( This button was greyed out(unaccessible) until plugged in my USB drive.)
- You hit that button and wait for the update to finish. everything is automatic from that point.
- When successful you would notice a new Zlink app in your app drawer. It might even automatically launch after system reboots.
BEFORE YOU GO TRYING THESE STEPS THOUGH:
Understand that these apps are custom built to access bluetooth and Wifi functions of the Android system.
If they are not installed correctly they might
A: Not work at all
B: Brick your device
Here are some photos of the specs of my device and some screen shots of how the settings pages look and where you can find update options (given you have the right update files):
How old Zlink app looks:
How new Zlink5 apps looks:
Settings Page:
and finally ABOUT FACTORY SETTINGS and your app disappearing:
When you hit Factory Settings ( and get into the main screen:
You should see an option called APPS:
When you enter that there could be a screen with the header: XYZ apps
XYZ apps is a custom system settings app which forces apps to boot with the head unit, and never allows them to force quit. ( This app in not attainable on the app store - is what I mean by custom)
Before you go installing any updates or files, find the APPS section in factory settings and see if Zlink is on that list.
The list is "check-able" - like toggles or check marks
- If you see the app there and it is UNCHECKED then CHECK IT, go back a page and find Reboot.
Then see if you app appears again.
If you don't see it.. well.. that's beyond my understanding, but most likely you would need to install them through a USB port like I detailed above.
Weather or not MY attached files will be suitable for your system is a whole other question.
One other thing:
- I'm not a developer and I don't know how build versions work on Android and how each aspect of each function affects other aspects:
But it is clear that the Chinese devs who write these Android builds are forcing certain apps to run in the background.
Having said that.
NEVER connect your Android head unit to Wifi and use it to access Personal Information or store passwords.
These aren't ATT or Verizon head units. They are made by a foreign company who is most likely under the umbrella of laws and regulations which allow the military to snoop on customer data in the name of the motherland...
The only way I use my headunit, is for it's radio, and the Android Auto function for navigation.. (whenever Zlink isn't crashing)
I don't allow any internet connection to the unit as it is not necessary. As a driver all you need in a car is a map and some tunes.
alec0178 said:
Hi Rooblevarn,
Thank you for your reply.
I tried the 1617 and 2010 passwords, but they don't work on my Head unit.
The only password that worked for me so far it's 8888.
I can then get into a factory menu as shown in attached picture.
I have looked everywhere in those menus, but I can't find anythink similar to "phone connected".
I suppose that Zlink app was installed manually by the vendor before he sold me the head unit, and the only way for me to get Zlink back, is that the vendor send me the file that match this unit to be installed....
Problem is that I don't have vendor contact.
Click to expand...
Click to collapse
no problem its just starting of my help you have not seen its end yet
try to download from here.
zLink App Download for Android
url.zjinnova.com
akm6p said:
I've been in contact with one of the vendors of an Android 11 HU I recently purchased,
#1 - It's tough to communicate with them
( they are all in China, and it's clear they translate English using Google-T )
I don't know the specific build for your system, but Zlink is somehow tied into the entire Android Build Version which they custom build for each HEAD Unit.
I have provided two different files here. READ this carefully.
The file starting with:
gongban_92_Zlink - is the older version of Zlink. It may be less resource intensive, but it works similarly to the new Zlink5 version.
The file starting with:
gongban_F92XX_Zlink5 - is the newer version of Zlink ( or at least as new as it can get) ( This was given to me by the manufacturer's tech dept in March of 2023. )
The way I was told to install these is to:
- Save which ever one you want to install onto an empty USB stick.
- DO NOT change the name or the extension of the file.
- Plug in the USB stick
- Open Your App Drawer > Find Car Settings > Find System Information
- There could be a button on that System Information screen that says: Android Update ( This button was greyed out(unaccessible) until plugged in my USB drive.)
- You hit that button and wait for the update to finish. everything is automatic from that point.
- When successful you would notice a new Zlink app in your app drawer. It might even automatically launch after system reboots.
BEFORE YOU GO TRYING THESE STEPS THOUGH:
Understand that these apps are custom built to access bluetooth and Wifi functions of the Android system.
If they are not installed correctly they might
A: Not work at all
B: Brick your device
Here are some photos of the specs of my device and some screen shots of how the settings pages look and where you can find update options (given you have the right update files):
How old Zlink app looks:
View attachment 5862517
How new Zlink5 apps looks:
View attachment 5862519
Settings Page:
View attachment 5862523
and finally ABOUT FACTORY SETTINGS and your app disappearing:
When you hit Factory Settings ( and get into the main screen:
You should see an option called APPS:
When you enter that there could be a screen with the header: XYZ apps
XYZ apps is a custom system settings app which forces apps to boot with the head unit, and never allows them to force quit. ( This app in not attainable on the app store - is what I mean by custom)
Before you go installing any updates or files, find the APPS section in factory settings and see if Zlink is on that list.
The list is "check-able" - like toggles or check marks
- If you see the app there and it is UNCHECKED then CHECK IT, go back a page and find Reboot.
Then see if you app appears again.
If you don't see it.. well.. that's beyond my understanding, but most likely you would need to install them through a USB port like I detailed above.
Weather or not MY attached files will be suitable for your system is a whole other question.
One other thing:
- I'm not a developer and I don't know how build versions work on Android and how each aspect of each function affects other aspects:
But it is clear that the Chinese devs who write these Android builds are forcing certain apps to run in the background.
Having said that.
NEVER connect your Android head unit to Wifi and use it to access Personal Information or store passwords.
These aren't ATT or Verizon head units. They are made by a foreign company who is most likely under the umbrella of laws and regulations which allow the military to snoop on customer data in the name of the motherland...
The only way I use my headunit, is for it's radio, and the Android Auto function for navigation.. (whenever Zlink isn't crashing)
I don't allow any internet connection to the unit as it is not necessary. As a driver all you need in a car is a map and some tunes.
Click to expand...
Click to collapse
Thank you for your reply ! It helps to understand a lot of things.
Well, today I went back to the (physical) shop where I initialy bought the device last week.
I told them that Zlink is no more available and to me, it's the most important feature on the tablet.
They tried to reapply a new Reset factory settings, expecting that Zlink will be back with that, but it wasn't back. As they couldn't find a solution, I asked to replace the HU.
At first, it was a 2/32 GB (Android 10), and they replaced it with another with 8/64GB (Android 11) from the same manufacturing (on the box I can read J-1018)
Wouah ! Now it makes all the difference !
The device is much faster, and now when I go to factory settings (with 8888), I can find there a menu, like the one you are mentionning, called in my device "Type selection" as seen in attached picture.
This menu was not present in the previous 2/32 GB device...
Now as per the seller, even if I hit on Reset factory settings, I will always have the ability to restore Zlink (which a built-in version, quite old as it is 3.8.8 but it does the job).
I think we could have found a solution on the 2/32 GB (Android 10) with the help of your files. But I don't have anymore the device, so can't test it.
I hope someone else from the forum with the same problem can test them, and reply back if they are helpful.
In all cases, I am happy that this issue occured on the first device, because thanks to that, I have now a 8/64 GB instead, and I can only recommend to anyone buying a new Android HU, to choose as minimum 4 or 8GB of RAM, and 64 or 128 GB for stock memory. It is the minimum nowadays.

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