1. Introduction
Thank you for choosing the Herilary C4 Wireless CarPlay Adapter. This device is designed to convert your car's existing wired CarPlay system into a wireless one, providing a more convenient and seamless driving experience. With the Herilary C4, you can enjoy navigation, music, Siri, calls, and messages from your iPhone wirelessly on your car's display.

Image: The Herilary C4 Wireless CarPlay Adapter, a compact black square device with a phone icon and "Car Play Herilary-C4" text.
2. Key Features
- Wireless Conversion: Transforms wired CarPlay into wireless CarPlay, eliminating the need for cables.
- Automatic Connection: After initial setup, the device connects automatically when you start your car.
- Retains Original Car Functions: Supports steering wheel controls, OEM knob, touchscreen, and Siri voice commands.
- Dual-band Wi-Fi: Supports both 2.4GHz and 5GHz Wi-Fi for stable and fast connection.
- Compact Design: Ultra-light and ultra-thin for easy portability and discreet installation.

Image: A car interior with the Herilary C4 device connected, demonstrating the wireless CarPlay functionality on the car's display. An iPhone is shown wirelessly connected to the adapter.

Image: Four panels illustrating how the Herilary C4 integrates with existing car controls: steering wheel buttons, OEM control knob, touchscreen, and Siri voice commands.
3. Setup and Installation
Follow these steps to set up your Herilary C4 Wireless CarPlay Adapter:
- Prepare your iPhone: Ensure that Bluetooth, Wi-Fi, and Personal Hotspot are enabled on your iPhone. Also, confirm that the Vehicle CarPlay feature is active.
- Connect the Adapter: Plug the Herilary C4 device into your car's USB port (the one typically used for wired CarPlay). A blue light on the C4 will illuminate, and a Bluetooth signal will appear on your car's display.
- Pair via Bluetooth: On your iPhone, search for the Bluetooth signal named "SmartBox-078F" (or similar, as displayed on your car screen) and pair with it. Accept all connection notifications.
- Automatic Connection: After the initial pairing, the device will automatically connect to your iPhone when you start your car.

Image: The Herilary C4 adapter plugged into a car's USB port, illustrating its simple plug-and-play installation.

Image: A visual guide showing the three steps for connecting the Herilary C4: enabling WLAN/Bluetooth on iPhone, connecting the USB dongle, and pairing via Bluetooth for CarPlay.
4. Operating Instructions
Once connected, your car's display will show the CarPlay interface. You can interact with it using your car's native controls (touchscreen, steering wheel buttons, OEM knob) or Siri voice commands.
- Navigation: Use Apple Maps or other supported navigation apps for turn-by-turn directions.
- Music & Audio: Play music, podcasts, and audiobooks from your iPhone's apps.
- Calls & Messages: Make and receive calls, and send/receive messages hands-free.
- Siri: Activate Siri by pressing the voice command button on your steering wheel or saying "Hey Siri" to control CarPlay functions.

Image: A car's infotainment screen displaying the CarPlay phone call interface, indicating active Bluetooth communication.
5. Maintenance and Firmware Updates
To ensure optimal performance, keep your Herilary C4 adapter's firmware updated.
Firmware Update Procedure:
- Power the Device: Connect the Herilary C4 to a stable 5V USB power source. Use a car cigarette lighter adapter or a phone charger. Do not use the original CarPlay port for power during updates.
- Connect to Device Wi-Fi: On your smartphone, connect to the Wi-Fi network broadcast by the C4 device (e.g., "AIbox-BT-XXXX"). The password is usually "88888888".
- Access Update Page: Open a web browser on your smartphone and enter the address http://192.168.1.101 to access the background system.
- Check for Updates: In the system interface, click "Online Update". If a new version is available, proceed with the update.

Image: A visual guide for online firmware updates, showing recommended power sources (car socket, phone charger) and screenshots of the update interface on a smartphone.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power from USB port; faulty cable. | Ensure the USB port provides power. Try a different USB port or cable. |
| Cannot connect to CarPlay wirelessly. | Bluetooth/Wi-Fi issues; incorrect pairing; car not supporting wired CarPlay. | Verify iPhone's Bluetooth/Wi-Fi are on. Re-pair the device. Ensure your car supports wired CarPlay. Check for firmware updates. |
| Connection is unstable or frequently disconnects. | Interference; outdated firmware; weak signal. | Ensure no other devices are interfering. Update firmware. Try connecting to 5GHz Wi-Fi if available. |
| Audio quality issues or lag. | Network congestion; device overload. | Restart both the device and your iPhone. Ensure a stable Wi-Fi connection. |
7. Product Specifications
- Model: Herilary C4
- Connectivity: Bluetooth, Wi-Fi (2.4GHz & 5GHz)
- Compatible Devices: iPhone (for CarPlay)
- Connector Type: USB Type C, USB Type A
- Dimensions: Approximately 55mm x 55mm x 12mm (2.17 x 2.17 x 0.47 inches)
- Weight: Approximately 0.11 kg (0.24 lbs)
- First Available Date: February 14, 2023

Image: The Herilary C4 device with its compact dimensions (55mm x 55mm x 12mm) highlighted, demonstrating its ultra-thin and lightweight design.
Package Contents:
- Herilary C4 CarPlay Main Unit x1
- USB Type-C Communication Cable x1
- Type-C to USB-A Adapter x1
- Instruction Manual x1

Image: A clear display of all items included in the Herilary C4 package: the main unit, USB Type-C cable, Type-C to USB-A adapter, and the instruction manual.
8. Warranty and Support
Herilary products are manufactured with high quality standards. For any issues or support inquiries, please refer to the contact information provided with your purchase or visit the official Herilary website.
The company's commitment to quality is highlighted by their development and production processes, ensuring excellent quality at every stage.




