Introduction
The OTTOCAST Mini 3.0 Cube is a compact 2-in-1 adapter designed to convert your vehicle's existing wired Apple CarPlay or Android Auto system into a wireless experience. This device enables seamless integration of your smartphone's navigation, communication, and entertainment features directly onto your car's infotainment screen without the need for a physical cable connection. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance.
What's in the Box
Verify that all items are present in your package:
- 1 x OTTOCAST Mini Slim Adapter
- 1 x User Manual

Figure 1: Package Contents
Product Overview
The OTTOCAST Mini 3.0 Cube features a compact and durable design, engineered for stable and efficient performance. Its sleek appearance integrates well with most car interiors.
Key Features:
- Wired to Wireless Conversion: Transforms your car's wired CarPlay or Android Auto into a wireless system.
- High Performance: Equipped with an updated high-performance chip, Bluetooth 4.2, and fast WiFi for stable, low-latency connections.
- Compact Design: Small form factor (21 x 19 x 21 mm, 7.6g) for discreet placement.
- Durable Construction: Mirror-effect surface with vertical stripe details and an aluminum alloy frame for effective heat dissipation.
- Automatic Reconnection: Connects automatically within seconds after the initial setup.
- Retains Original Controls: Supports touchscreen, steering wheel controls, and voice assistant functions.

Figure 2: OTTOCAST Mini Slim Adapter

Figure 3: Compact Design

Figure 4: Adapter Features (USB-C Port, LED Indicator)
Setup Guide
Follow these steps for the initial setup of your OTTOCAST Mini 3.0 Cube:
- Connect the Adapter: Plug the OTTOCAST Mini Slim adapter into your car's USB-C port that supports wired CarPlay or Android Auto. Ensure the port is active and provides power.
- Activate Wi-Fi and Bluetooth: On your smartphone, enable both Wi-Fi and Bluetooth. Do not connect to any Wi-Fi network yet.
- Pair with Bluetooth: On your phone's Bluetooth settings, search for available devices and select the OTTOCAST device (usually named "CAR-XXXX" or similar). Confirm the pairing request on both your phone and car screen if prompted.
- Confirm Connection: Once paired, your car's screen should display the CarPlay or Android Auto interface wirelessly. The adapter's LED indicator will show a stable light when connected.

Figure 5: Simple Plug & Play Setup
Operating Instructions
Automatic Connection:
After the initial setup, the OTTOCAST Mini 3.0 Cube will automatically connect to your smartphone when you start your car. This process typically takes approximately 5-10 seconds. Ensure your phone's Bluetooth and Wi-Fi are enabled for seamless reconnection.

Figure 6: Automatic Connection Feature
Using Car Controls:
The adapter maintains full functionality of your car's original controls, including:
- Touchscreen: Interact directly with the CarPlay or Android Auto interface on your car's display.
- Steering Wheel Controls: Use your vehicle's steering wheel buttons for audio, calls, and navigation.
- Voice Assistant: Activate Siri or Google Assistant for hands-free commands, navigation, and messaging.
- OEM Knob Control: If your vehicle has an original equipment manufacturer (OEM) control knob, it will also function with the wireless system.

Figure 7: Retaining Original Car Controls

Figure 8: Wireless CarPlay and Android Auto Interface
Compatibility
The OTTOCAST Mini 3.0 Cube is designed for vehicles equipped with factory-installed wired Apple CarPlay or Android Auto. It supports:
- iOS Devices: iPhone running iOS 10 or later.
- Android Devices: Smartphones running Android 11 or later.
Note: This adapter is generally compatible with over 98% of vehicles that have wired CarPlay or Android Auto. It is not compatible with BMW or Tesla vehicles.
To verify your vehicle's compatibility, please visit the official compatibility checker:

Figure 9: Vehicle Compatibility Information
Maintenance
To ensure the longevity and optimal performance of your OTTOCAST Mini 3.0 Cube, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to gently wipe the adapter. Avoid using liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, store the adapter in a cool, dry place away from direct sunlight.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
Troubleshooting
If you encounter issues with your OTTOCAST Mini 3.0 Cube, refer to the following common problems and solutions:
1. Adapter Not Connecting / No CarPlay/Android Auto Display:
- Check USB Connection: Ensure the adapter is securely plugged into the car's USB-C port. Try a different USB port if available.
- Verify Car's Wired Functionality: Confirm that your car's wired CarPlay or Android Auto works correctly when directly connected with a cable. The adapter requires this base functionality.
- Phone Settings: Make sure Bluetooth and Wi-Fi are enabled on your smartphone. Forget previous Bluetooth connections to the car and re-pair with the OTTOCAST adapter.
- Restart Devices: Restart your smartphone and turn your car's ignition off and on again.
- Compatibility: Double-check if your vehicle and phone model are compatible using the link provided in the Compatibility section.
2. Intermittent Connection or Lag:
- Interference: Other wireless devices in the car might cause interference. Try temporarily disabling other Bluetooth or Wi-Fi devices.
- Firmware Update: Check the OTTOCAST official website for any available firmware updates for your model. Updates can improve stability and performance.
- Phone Performance: Ensure your smartphone has sufficient processing power and is not running too many background applications.
3. Audio Issues:
- Volume Levels: Check volume settings on both your car's infotainment system and your smartphone.
- Audio Source: Ensure the car's audio input is set to the correct source (e.g., CarPlay/Android Auto, Bluetooth).
Specifications
| Feature | Detail |
|---|---|
| Model Number | CP88 |
| Brand | OTTOCAST |
| Compatible Devices | Smartphone, Tablet |
| Product Specific Uses | Low latency, Wired CarPlay to Wireless CarPlay, Wired Android Auto to Wireless Android Auto |
| Connector Type | USB Type C |
| Color | Silver |
| Item Dimensions (L x W x H) | 21 x 19 x 21 millimeters |
| Item Weight | 7.6 Grams |
| Power Plug Type | No plug (USB powered) |
| Number of Units | 1 |
| Country of Origin | China |
Safety Information
Please observe the following safety precautions:
- Keep the device away from heat sources and liquids.
- Do not attempt to disassemble or modify the device.
- Ensure proper ventilation around the device during operation.
- The device may interfere with other wireless devices if not used correctly.
- Operate your vehicle responsibly. Do not interact with the device in a way that distracts you from driving.
Warranty and Support
OTTOCAST products are manufactured to high-quality standards. For warranty information, please refer to the documentation included with your purchase or visit the official OTTOCAST website.
If you require technical assistance or have questions not covered in this manual, please contact OTTOCAST customer support through their official channels. Details can typically be found on the product packaging or the brand's website.







