The radio tape recorder Teyes CC3 with support Android Auto i Apple CarPlay has become a popular choice among car owners due to its combination of affordable price and wide capabilities. However, connecting a smartphone to the system often raises questions: the cable is not recognized, the application does not start, or the sound disappears. This article will help you understand all the nuances - from choosing the right USB cable to setting up your phone and radio settings.

We will look at not only the basic connection steps, but also rare problems like no sound when calling via Android Auto on Teyes CC3 with firmware 2023, as well as alternative connection methods (via Bluetooth and Wi-Fi). The instructions are valid for all versions Teyes CC3, including models with screen resolution 1024×600 i 1280×720, as well as for smartphones on Android 10–14 and iPhone with iOS 13+.

1. What you need to connect Android Auto to Teyes CC3

Before you start setting up, make sure you have everything you need. Without the right equipment, even perfectly executed steps will not produce results.

  • 📱 Android smartphone 10 or later (for iPhone - see the section about CarPlay). On devices with Android 9 and older, Android Auto may not be supported or work with errors.
  • 🔌 USB cable Type-C/USB-A (or Lightning for iPhone) with data transfer support. Cheap charging cables are often not suitable! Recommended length - up to 1 meter.
  • 🚗 Teyes CC3 Radio with the latest firmware version. Check the software is up to date in the menu Settings → About the system → Update.
  • 🔊 Active Internet connection on your smartphone (for the first setup of Android Auto you will need to download updates).

Pay special attention to the cable. More than 60% of problems with connecting Android Auto to Teyes CC3 are associated with the use of low-quality or damaged USB cables. If the radio does not recognize the phone, first try a different cable - preferably the original one from the smartphone manufacturer.

📊 What smartphone do you connect to Teyes CC3?
Android (Samsung, Xiaomi, etc.)
iPhone (Apple CarPlay)
Both options
Not decided yet

2. Step-by-step guide: connecting via USB

This is the main and most stable connection method. Follow the instructions strictly in order:

  1. Activate Android Auto on your smartphone:
    • Download the application Android Auto from Google Play (if it is not in standard applications).
    • Open the application and follow the setup wizard. Allow all requested permissions (access to contacts, microphone, location).
    • Enable the option Allow in the background in the application settings (important for stable operation!).
  2. Configure the Teyes radio CC3:
    • Go to menu Settings → Connections → Android Auto.
    • Activate the switch Enable Android Auto.
    • Make sure that in the section USB mode item selected Data transfer (not Charging!).
  • Connect devices:
    • Connect your smartphone to port USB1 or USB2 on the rear panel of the radio (port USB3 often intended only for charging!).
    • A request to confirm the connection will appear on the Teyes CC3 screen - click Allow.
    • Wait until Android Auto starts automatically. If this does not happen, manually open the application on your phone.

    The cable supports data transfer (not only charging)|

    Developer mode is enabled on the smartphone (optional, for diagnostics)|

    The correct USB port is selected in the radio (USB1 or USB2)|

    Android Auto is allowed in the phone's security settings-->

    If after connection the Teyes CC3 screen displays No Device Connected or USB Device Not Recognized, try:

    • 🔄 Reboot the radio (hold the button Power 10 seconds).
    • 📱 Restart Android Auto on the phone (swipe the application in the multitasking menu).
    • 🔌 Connect the phone to another USB port on the radio.
    💡

    If the Teyes CC3 radio does not sees the phone via USB, but charges it, which means the cable or port is working in charging onlymode. Try another cable or check the USB settings in the radio menu (Settings → USB mode).

    3. Setting up Android Auto for optimal work

    Even after a successful connection, display, sound, or stability issues may occur. Here are the key settings to fix them:

    Problem Solution Where to set
    Applications do not open Allow Android Auto access to applications in phone settings Settings → Applications → Android Auto → Permissions
    No sound on calls Select Bluetooth as output device in Android Auto Android Auto → Settings → Sound
    The radio screen is blinking Disable power saving for Android Auto Settings → Battery → Optimization → Android Auto → No restrictions
    Slow operation interface Clear Android Auto cache and restart Settings → Applications → Android Auto → Memory → Clear cache

    For owners Teyes CC3 with firmware MCU: 5.8.9 or later option is available Quick connection. Activate it in the radio menu (Settings → Android Auto → Quick connection) to reduce the system startup time when connecting again.

    How to enable developer mode on Android for diagnostics

    1. Go to Settings → About phone.

    2. Click on the item 7 times Build number (a notification “You have become a developer” will appear).

    3. Return to the main settings menu and open a new section For Developers.

    4. Activate the option USB debugging (helps in diagnosing connection problems).

    4. Connecting Android Auto via Bluetooth and Wi-Fi

    Although the main method is USB, Teyes CC3 supports wireless connection. However, there are nuances here:

    • 📶 Wi-Fi: It works only after the initial setup via USB. The response speed of the interface may be lower than over a wire.
    • 🔵 Bluetooth: Used only for audio transmission (calls, music). For full-fledged Android Auto, you need USB or Wi-Fi.

    How to connect via Wi-Fi:

    1. First, complete the initial setup of Android Auto via USB (see section 2).
    2. In the Android Auto application on your phone, go to Settings → Wireless connection.
    3. Select your radio Teyes CC3 from the list of available devices.
    4. Confirm the connection on the radio screen.
    ⚠️ Attention: With a wireless connection, there may be delays when scrolling through menus and launching applications. For stable operation, it is recommended to use USB, especially if you use navigation (Google Maps, Yandex.Maps).

    5. Connecting iPhone to Teyes CC3 via CarPlay

    iPhone owners can use Apple CarPlay an analogue of Android Auto for Apple devices. The connection process is similar, but there are key differences:

    • 🍎 Requirements: iPhone 5 or later with iOS 13+. Cable Lightning-to-USB (original or MFi certified).
    • 🔌 Port: Use USB1 on the radio - Teyes CC3 sometimes does not recognize CarPlay in other ports.
    • 🔒 Permissions: A request will appear on the iPhone Allow CarPlay? confirm it.

    Step-by-step guide:

    1. Connect your iPhone to the USB port of the radio.
    2. On the screen Teyes CC3 select source CarPlay (may be called Apple CarPlay).
    3. On iPhone, confirm the connection in the window that appears.
    4. Wait until the CarPlay interface starts. If the screen remains black, restart the radio.

    For wireless CarPlay on Teyes CC3 requires firmware MCU: 6.1.2 or later. Check the version in the menu Settings → About system. If your version is older, update the software through the official Teyes website.

    6. Common errors and their solutions

    Even with proper connection, failures may occur. Here are the most common problems and ways to solve them:

    Error Cause Solution
    Android Auto is not responding Conflict with other applications or outdated version Clear the Android Auto cache and reinstall the application
    The sound comes through the phone, not through the speakers Incorrect output device in Bluetooth settings In Android Auto, select Teyes CC3 as audio output device
    The radio does not see the phone after updating Android USB protocols have changed in the new OS version Update the Teyes CC3 firmware or use a cable with a chip USB-IF
    No Internet Connection in Android Auto No USB data transfer Turn on Transfer data via USB in the phone's notification shade

    If after all the manipulations Android Auto still does not work, try resetting the radio settings to factory settings (Settings → System → Reset). Attention: this will delete all saved radio stations and equalizer settings!

    ⚠️ Attention: On some firmware Teyes CC3 (for example, MCU: 5.7.3) there is a bug with displaying the Cyrillic alphabet in Android Auto. If Russian letters are replaced with hieroglyphs, update the radio firmware or change the system language to English.

    7. Alternative ways to use a smartphone with Teyes CC3

    If Android Auto is not suitable for some reason, consider these options:

    • 🖥️ Screen mirroring (MirrorLink):
      • Works with most Android smartphones via USB or Wi-Fi.
      • Activated in the menu Settings → Connections → MirrorLink.
      • Minus: high delay when controlling the radio sensor.
    • 🎵 Bluetooth audio:
      • Suitable for listening to music and calls without Android Auto.
      • Pair the phone with the radio in the menu Settings → Bluetooth.
    • 📱 USB drive:
      • Connect the phone in mode File transfer (MTP) and play music through the built-in player Teyes CC3.

    To mirror the screen, you may need to install additional applications, for example ApowerMirror or TeamViewer QuickSupport. However, keep in mind that these solutions are less stable than native Android Auto and may slow down navigation.

    8. Updating Teyes CC3 firmware for better compatibility

    If your radio is running on old firmware, this may be causing problems with Android Auto. Here's how to update the software:

    1. Download the latest firmware from of the Teyes official website (section Support → CC3). Pay attention to the version MCU —it must match your current one.
    2. Unpack the archive and copy the firmware file (usually with the extension .upg) to an empty flash drive formatted in FAT32.
    3. Insert the flash drive into the port USB1 on the radio.
    4. Go to the menu Settings → About the system → Update and select the firmware file.
    5. Wait for the process to complete (the radio will reboot automatically). Do not turn off the power during the update!
    ⚠️ Attention: Incorrectly selected firmware (for example, for the model Teyes CC2 instead CC3) can cause the radio to fail building. Always check the compatibility of versions MCU and UI in the firmware file.

    After updating, reset Android Auto settings on your phone (Settings → Applications → Android Auto → Memory → Clear data) and run again connection.

    💡

    Updating the Teyes CC3 firmware solves 90% of Android Auto connection problems, especially if the radio previously worked with older versions of Android (8–9).

    Frequently asked questions

    ❓ Why does Android Auto connect but immediately disconnect?

    This problem is most often associated with:

    • 🔋 Energy saving: Disable battery optimization for Android Auto in your phone settings.
    • 🔌 Faulty cable: Try another USB cable (preferably the original one).
    • 📱 Conflict applications: Close all background applications on the phone before connecting.

    If the problem persists, reset Android Auto settings on your phone (Settings → Applications → Android Auto → Storage → Clear data).

    ❓ Can I use wireless Android Auto on Teyes CC3?

    Yes, but with reservations:

    • 📶 Wireless mode only works after initial setup via USB.
    • 🔄 For stable operation, firmware is required MCU: 5.8.9 or newer.
    • ⚠️ There may be delays during control and freezing of the interface.

    To enable wireless mode:

    1. Connect your phone via USB and wait for Android Auto to start.
    2. In the Android Auto settings on your phone, activate Wireless connection.
    3. Disconnect the cable - the connection should remain.
    ❓ How to fix no sound on calls via Android Auto?

    The problem with sound during calls is one of the most common. Check:

    1. Sound settings in Android Auto:
      • Open Android Auto on your phone.
      • Go to Settings → Sound.
      • Select Teyes CC3 as an output device for calls.
    2. Bluetooth settings on the phone:
      • Make sure that in the Bluetooth settings for the device Teyes CC3 options Calls and Media audio.
  • Recorder settings:
    • Go to Settings → Sound → Sound source.
    • Select Bluetooth or USB (depending on the connection type).

    If there is still no sound, try:

    • 🔄 Restart the phone and radio.
    • 🔌 Connect the phone to another USB port on Teyes CC3.
    • 📞 Check the microphone operation (if there is sound, but you can’t be heard, the problem may be in the radio microphone).
    ❓ What cables are suitable for Teyes CC3?

    It depends on the cable 80% connection success. Recommendations:

    • 🔌 For Android: Cable USB-C → USB-A with support USB 2.0 or USB 3.0 (for example, original cable from Samsung or Google).
    • 🍎 For iPhone: Certified cable Lightning → USB-A with logo MFi (Made for iPhone).
    • ⚡ Length: No more than 1 meter (long cables may not provide stable data transfer).

    Avoid:

    • 🚫 Cheap "no-name" cables (often for charging only).
    • 🚫 Cables with damaged insulation or bent connectors.
    • 🚫 USB hubs or extension cables (can cause loss of connection).

    Tip: If the radio does not recognize the phone, but the cable is new, try connecting the phone to the computer via the same cable. If the computer does not see it, the cable is faulty.

    ❓ How to reset Android Auto settings on Teyes CC3?

    If Android Auto is unstable, a full reset may help. Here's how to do it:

    On the phone:

    1. Go to Settings → Applications.
    2. Find Android Auto and open its settings.
    3. Press Memory → Clear data and Clear cache.
    4. Reboot the phone.

    On the Teyes radio CC3:

    1. Go to Settings → System → Reset.
    2. Select Reset Android settings Auto (if there is such an item) or perform a full reset (Factory reset).
    3. Confirm the action and wait for the reboot.

    After the reset, connect the phone again, as when you first started it.