Professional Installation Instructions of Android Audi Q5 A5 A4 Navigation Multimedia System Radio Upgrade

Most car owners of Audi Q5, A5, A4 don’t choose the factory Audi navigation system as it’s not friendly in use and costs a lot for map updates, here comes a solution, you can upgrade/replace the factory screen and install an aftermarket touch screen GPS navigation multimedia system for Audi Q5, Audi A5 and Audi A4, with factory looking.  Via this post, we will tell you step by step installation instructions on how to install aftermarket Audi Q5/A5/A4 Android navigation head unit.

So how does the new replacement look like?

Audi Q5 A5 A4L Navigation

Note: You can click the above image to visit our site and check features, price of this Android head unit.

As the factory screen is only 6.2 inch, this new replacement is 7 inch, so the factory frame is useless anymore, there are 2 new frames included in the package, one for Audi Q5, the other for Audi A4 and A5. By the way, the current frames are only available for left-hand driving cars, not suitable for right-hand driving cars.  We have another 10.25″ Android screen unit which can fit right hand-driving Audi Q5, A5, A4, A4L. If you need, you can contact us by sending an email to .

How to install the Audi Q5 A5 A4 Android Navigation Multimedia Head Unit?

Just follow the following step by step instructions, you may need to send the detailed installation instruction to your installer before he starts the work, so it takes less time and save installation fee if your installer who has not installed such a unit before.

  1. The first thing you need to do is removing the central air conditioning vents using dash pry tool, pry the edge of the vents, when it’s loose then pull out the air vents.
    air vents removal
    pull out vents
  2. After the air vents was taken out, remove 2 screws  which holds the radio/cd player, remove the below climate control and CD player in the middle, unplug all cables behind.
    remove 2 screws
    climate control
    cd player
  3. Now it’s time to remove factory screen. Firstly take out the trim strip, then use the pry tool to detach the frame, then you can see 4 screws which holds the factory screen unit.
    screen unit
  4. After you removed the factory screen, you can connect all included cables with main unit, and put the main unit in the glove box or inside of the dashboard.If you put the main unit control box in the glove box, please firstly run the screen cables from glove box to the dashboard behind the screen. Then you can connect the new touch screen unit with 2 white plugs at the back of the screen, and the other end connects to the main unit, see below:head unit
  5. Then you can connect other plugs as below:
    Note: When you connect the red/white/blue and other plugs with the main unit, please pay attention to the connector, so that you won’t get wrong, if you look carefully, you can see all these connectors are different, this step is very important, if you can not make sure where the cable goes, just feel free to contact us and send us your pictures.

    Note: If your Audi Q5 or A5 is premium model, your LVDS plug is round 4 pins, we will send you the unit with 4 pins LVDS plug. That’s why we will ask you to send us your car information including a dashboard picture for us to check, so that we can know your LVDS plug is 10 pins or 4 pins.main unitYou can also put the main unit control box at the back of the screen unit as below.
    touch screen unit installation
    Or you can remove the glove box, then push the control box from the glove box position into the dashboard.
    install screen
  6. Connect the power adapter plugs(as below 1 and 2) with the back of CD player and factory wiring harness, connect the plug 3 and plug 4 with your cables behind climate control panel.
    power cables
    Plug 1: connect the factory power wiring harness which was connected to the back of your radio before.
    Plug 2: connect to the back of your radio/CD.

    Plug 3 and 4: unplug the cables behind climate control panel, then connect plug 3 and 4 with them. Note: For premium model of Audi Q5, A4, A5, your gateway plugs are not from the back of the climate control panel, they are in the glove box as below:

    CAN plugshow to connect CAN plugs

    So if you find your gateway plugs behind the climate control panel are different with ours, you should remove the glove box and then check the plugs as above. If you still have a question, you can take a clear photo for us( to check for you. Want to check how to remove the glove box?

    wiring diagrams
    Note: You can click the above image for larger view.

    If every cables have been connected correctly now, you can turn on the car and test the screen unit now.test
    If you have a question, you can contact us send a message to us on whatsapp: +86 13424170755, our technician will reply your message.

  7. If everything goes well, you can install back the climate control, cd player, and install the new touch screen unit, frame, trim, etc. This should not be difficult for you as you have already known how to remove them.
    install cd player
    after installation
    installation completed

Can this Android Audi Q5/A5/A4 navigation head unit fit and work with my car?

This 7″ OEM looking Android navigation head unit fits most Audi Q5, Audi A5, and Audi A4/A4L. But we do find some models are not compatible because the the dashboard is different. If you send us your dashboard picture including factory screen and the buttons below the shift gear so that we can check for you.
Audi 2G 3G control buttons

1, 2, 3: For Audi A5 A4 Q5 with 2G system, 10 pins square LVDS plug
4, 5: For Audi A5 A4 Q5 with 3G system, 4 pins round LVDS plug

Latest update: Our latest version can support all above models now. The LVDS plug is different for 2G and 3G system, so please send a dash photo for us to check for you.

However, if there are buttons from your CD unit as below:
CD with buttons
Our unit does not work for your car directly, because your plugs are different, you will need to modify wires for installation, that’s very complicated.

How to Check if my Audi A5, Q5 or A4 come with AUX function?

Factory AUX function is really important to install this new replacement of Android Audi Q5/A5/A4 navigation, because the sound transfers to your car speakers through factory AUX. You can check in the glove box or armrest and see if there’s a 3.5mm AUX port or a 30 pins connectors. If your car has a 3.5mm MMI AUX port in the armrest, that’s great.

Audi MMI AUX port
If your Audi has a 3.5mm Aux port in the armrest or glove box as above, that’s great, you don’t need to buy Aux adapter cable.

However, if your car just comes with a 30 pins AMI AUX connectors in the glove box, see below photo:
You will need to buy another Audi AMI-AUX cable and connect it with this 30 pins connectors to activate factory AUX, you can check the below picture of AMI-AUX ccable:


1. Only this kind of AUX adapter cable works, please pay attention to the circled end.
2. This adapter cable is not necessary for the car with 3.5mm MMI AUX port.

Should you have any questions or inquiries, just feel free to contact us.


  1. Where to buy this Android Audi Q5/A5/A4/A4L navigation head unit:
  2. Installation instruction of the Wince version Audi Q5 navigation.