Introduction
The CarlinKit Mini Ultra 3 is a compact wireless adapter designed to upgrade your car's factory-wired CarPlay or Android Auto system to a wireless experience. Simply plug it into your car's USB-A or USB-C port, and enjoy automatic wireless connectivity to your smartphone, eliminating the need for data cables.
Important Note: This product is only suitable for cars that already have factory-wired CarPlay or wired Android Auto. Please ensure your vehicle supports one of these wired connections before purchase.

Setup and Connection
Follow these steps to set up your CarlinKit Mini Ultra 3 adapter and establish a wireless connection.
LED Light Description
- Blue status: Power indicator
- Green status: Successfully connected
Wireless CarPlay Connection Steps
- Insert the CarlinKit Mini Ultra 3 adapter into your car's USB-A or USB-C port.
- Turn on the Wi-Fi and Bluetooth on your iPhone.
- On your iPhone, go to Bluetooth settings and search for the Bluetooth name displayed on your car's screen (e.g., "VehiConn_XXXX").
- Tap "Connect" and agree to use CarPlay in-car to access wireless CarPlay.

Wireless Android Auto Connection Steps
- Insert the CarlinKit Mini Ultra 3 adapter into your car's USB-A or USB-C port.
- Turn on the Wi-Fi and Bluetooth on your Android phone.
- On your Android phone, go to Bluetooth settings and search for the Bluetooth name displayed on your car's screen (e.g., "VehiConn_XXXX").
- Tap "Connect" and agree to use Android Auto in-car to access wireless Android Auto.

Operation
Once connected, the CarlinKit Mini Ultra 3 provides a seamless wireless experience for both Apple CarPlay and Android Auto.
Automatic Connection
After the initial pairing, your car will automatically connect to your phone via the adapter each time you start the vehicle, eliminating the need to repeatedly plug and unplug cables.

Key Features and Controls
- Full Compatibility: Supports both Apple CarPlay and Android Auto wirelessly.
- Seamless Integration: Navigate, play music, make calls, and access apps directly from your car's display.
- High-Speed Connectivity: Utilizes Fast 5.8GHz Wi-Fi and Bluetooth 5.4GHz for stable and responsive performance with zero lag.
- Native Car Controls: Maintain full functionality with your car's original controls, including steering wheel controls, OEM knob control, and touch screen control. Voice assistants like Siri are also supported.
- Split-Screen Functionality: Enjoy multiple applications simultaneously on your car's display, such as navigation and music playback.

Maintenance and Updates
Online Updates and Feedback
The CarlinKit Mini Ultra 3 supports online updates to ensure optimal performance and compatibility. You can also submit feedback directly through the device's interface to help resolve any issues quickly.
- Insert the adapter into your car's USB-A/USB-C port.
- Connect your phone to the product's Wi-Fi network (SSID: VehiConn_xxxx, Password: 12345678).
- Open a web browser on your phone and enter the IP address:
192.168.50.100. - On the webpage, you can check for online updates. If a new version is available, click to upgrade.
- To submit feedback, enter your email address, briefly describe the problem you are experiencing (including your car's brand, model, and year), and submit. For Android phones, ensure mobile data is enabled to access the page properly. For iPhones, mobile data does not need to be turned off.
- After submission, copy the feedback ID and provide it to customer support for follow-up.

Troubleshooting
If you encounter issues, please refer to the following common solutions:
- Connection Issues:
- Ensure your car has factory-wired CarPlay or Android Auto. The adapter will not work with cars that do not have these wired systems.
- Verify that your phone's Wi-Fi and Bluetooth are enabled.
- Check that the adapter is securely plugged into the car's USB port.
- If the connection fails, try restarting your phone and the car's infotainment system.
- No Display/Functionality:
- Confirm that the LED light on the adapter is green, indicating a successful connection.
- Ensure you have agreed to use CarPlay/Android Auto on your phone when prompted during the initial setup.
- If using an Android phone for feedback/updates, make sure mobile data is enabled to access the webpage.
- Performance Problems (Lag, Drops):
- Ensure your phone's operating system (iOS 10+ for iPhone 6+, Android 11.0+ for Android phones) is up to date.
- Check for and install any available online updates for the CarlinKit Mini Ultra 3 adapter via the
192.168.50.100interface.
User Tips
- For optimal performance and to access the update/feedback page, ensure your phone's mobile data is enabled when connecting to the adapter's Wi-Fi (especially for Android users).
- Keep your car's USB port clean and free of debris to ensure a stable connection.
- If you experience any persistent issues, utilize the online feedback system and provide the feedback ID to CarlinKit customer support.
Specifications
| Feature | Detail |
|---|---|
| Model | Mini Ultra3 (IU2503-1) |
| Brand | CarlinKit |
| Main Function | Wired CarPlay/Android Auto to Wireless CarPlay/Android Auto |
| Connectivity | Wi-Fi (5.8GHz), Bluetooth (5.4GHz) |
| Power Input | 5V±0.2V, 1.0A |
| Power Consumption | 0.75W |
| Compatible Resolution | Adaptive (maintains original protocol resolution) |
| Compatible iPhone | iPhone 6 and above, iOS 10 and above |
| Compatible Android Phone | Android 11.0 and above |
| Compatible Car | Cars with factory-wired CarPlay or wired Android Auto (Most cars from 2016+) |
| USB Port Options | USB-A connector / USB-C connector |
| Product Size | 24.98 x 24.98 x 22.35 mm (USB-A) |
| Product Weight | 0.028 kg |
| Package Dimensions | 118 x 63 x 31 mm |


Warranty and Support
After-sales Service
CarlinKit provides high-quality after-sales service for this product. You are entitled to a one-year warranty service from the date of purchase, covering failures caused by quality problems under normal use. Please retain your purchase receipt or warranty card as proof of warranty service. The company reserves the right to interpret the after-sales service policy.
Warranty Card Information
| Field | Details to Fill |
|---|---|
| Name | (Your Name) |
| Phone number | (Your Phone Number) |
| Address | (Your Address) |
| Dealer's name (stamped) | (Dealer Information) |
| Purchase date | (Date of Purchase) |
| (Your Email Address) | |
| Warranty content | One-year warranty from purchase date for quality issues. |
For the complete user manual in PDF format, please refer to the official document: CarlinKit Mini Ultra 3 User Manual (PDF)
FCC Warning
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Note:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.





