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Bonroad is a manufacturer and retailer of aftermarket automotive infotainment systems, focusing on upgrading OEM vehicle interfaces with modern smart technology. Their product lineup includes Android-based multimedia navigation players, wide-screen digital instrument clusters, and decoding boxes that add wireless Apple CarPlay and Android Auto capabilities to factory car screens.

The brand is particularly known for its retrofit solutions for premium European vehicles, such as the BMW 3, 5, and X series, as well as Mercedes-Benz C-Class models. These products allow owners to retain original vehicle functions—such as steering wheel controls and iDrive/knob systems—while gaining access to modern apps, GPS navigation, and smartphone mirroring. Bonroad products are primarily distributed through global e-commerce platforms.

• What are the common passwords for Bonroad device settings?

  For many Bonroad units, the factory settings password is '88888'. For WiFi connections related to screen mirroring (AirPlay/Android Mirroring), the password is frequently '88888888' or '66668888'.

• How do I switch between the original car system and the Bonroad interface?

  On most BMW retrofit units, long-pressing the 'MENU' or 'RETURN' button on the iDrive controller switches the display. For Mercedes units, pressing the 'Return' or 'Double Flash' button may trigger the switch.

• How can I fix echo during Bluetooth calls?

  Navigate to 'Settings' > 'Audio' > 'AEC Delay' and tap 'Start Auto AEC'. Ensure the car environment is quiet and the volume is at a moderate level while the system calibrates for about 20 seconds.

• Does the Bonroad system support the original rear camera?

  Yes, Bonroad decoders and screens typically support the original OEM reverse camera. You may need to select 'Original Reverse' in the factory settings menu (often under 'Reverse' or 'Camera Type').