Introduction
Thank you for choosing the LAMTTO DC22 4G LTE Cellular Car Security Camera. This manual provides essential information for the proper installation, operation, and maintenance of your device. Please read it carefully before use.
What's in the Box
The LAMTTO DC22 package includes the following components:
- 4G LTE Dashcam
- OBD Power Cable
- SIM Card (pre-installed in device slot)
- TF Card (32GB, pre-installed in device slot)
- User Manual
- Mounting Tool
- Electrostatic Sticker

Setup and Installation
1. SIM Card and Power Connection
Ensure the SIM card and TF card are correctly inserted into their respective slots on the device. Connect the Type-C end of the OBD power cable to the dashcam. The device requires a 4G data plan for remote functions. A 7-day free trial is included.

Important SIM Card Information:
- The dashcam comes with an integrated SIM card.
- If you wish to use your own SIM card, ensure it supports 4G LTE. 2G/3G are not supported.
- After changing the SIM, reset the camera.
- If issues arise, consult the manual or contact support.
2. Mounting the Dashcam
Clean the desired mounting area on your windshield. Apply the electrostatic sticker to the cleaned area. Remove the protective film from the 3M adhesive tape on the dashcam mount and firmly attach it to the electrostatic sticker. Adjust the device's support manually to achieve the optimal viewing angle.


3. Wiring Installation
Route the OBD power cable neatly along the vehicle's trim using the provided mounting tool to hide excess cable. Connect the OBD end to your vehicle's OBD-II port, typically located under the dashboard near the pedals.

Video Guide: Dashcam Installation and Connection
Video Guide: 4G Car Camera Installation Instructions
Operation
1. Powering On and Network Connection
Once connected to power, switch the device to the "ON" position. The status LED will turn red. Wait for the network connection LED to turn solid blue, indicating a successful 4G network connection. Ensure your vehicle is parked in an area with strong 4G signal (three or more bars for stable connection).
2. App Connection (UBoxPro)
Download and open the UBoxPro app on your smartphone. Tap the "+" icon in the top right corner and select "Scan" to scan the QR code on your device for pairing. Follow the on-screen prompts to complete the connection. Once connected, you can access live view, video playback, and other remote features.

Video Guide: Car Assist App Connection
Key Features
4G LTE Remote Access
Access live streams, video playback, remote calls, and vehicle tracking via the UBoxPro app anytime, anywhere. Ideal for fleet managers, parents, and security-conscious drivers.

Anti-Vandalism Parking Monitoring
The dashcam's Sentry Mode, with radar detection and G-sensor, triggers instant app alerts for suspicious activity. It automatically records incidents like scratches, hit-and-runs, or theft attempts. OBD-II power ensures 24/7 surveillance even when the car is off.

Video Guide: How Parking Mode Works
Automatic Cloud Backup
Event videos are automatically saved to your encrypted personal cloud, ensuring preservation even if the camera is damaged or stolen. Receive instant alerts and easily access key footage. (Includes a 30-day free cloud storage trial).

Real-time Remote Communication
Communicate instantly with people in your car via the 4G LTE security camera. Stay connected with young drivers or give directives to fleet personnel. You can also issue an audible warning through the camera to deter potential thieves.

Live GPS Tracking
The integrated GPS allows real-time vehicle location, route tracking, and trip sharing. Essential for fleet management, anti-theft, and family road trips.

Maintenance
To ensure optimal performance and longevity of your LAMTTO DC22 dashcam, regular maintenance is recommended:
- Clean the Lenses: Regularly wipe the camera lenses with a soft, lint-free cloth to ensure clear video recording.
- Check SD Card: Periodically check the SD card for errors and ensure it has sufficient space. Format the card monthly to maintain performance.
- Firmware Updates: Keep the device firmware updated via the UBoxPro app to access new features and improvements.
- Cable Integrity: Inspect all cables for any signs of wear or damage. Replace damaged cables immediately to prevent power issues.
Troubleshooting
If you encounter issues with your LAMTTO DC22, refer to the following common solutions:
- Device Not Powering On:
- Ensure the OBD power cable is securely connected to both the dashcam and the vehicle's OBD-II port.
- Check the vehicle's fuse box for any blown fuses related to the OBD-II port.
- Verify the dashcam's power switch is in the "ON" position.
- No 4G Network Connection:
- Ensure the SIM card is correctly inserted and activated.
- Park your vehicle in an area with good 4G signal strength.
- Restart the dashcam by switching it off and on, or perform a reset using the reset pin.
- Check your data plan status via the UBoxPro app.
- App Connection Issues:
- Ensure your smartphone has a stable internet connection.
- Restart both the dashcam and the UBoxPro app.
- Re-pair the device with the app by scanning the QR code.
- Parking Monitoring Not Activating:
- Verify that the OBD-II power connection is providing continuous power (24/7 monitoring).
- Check the parking monitoring sensitivity settings in the app; adjust to "Medium" or "High" if needed.
For further assistance, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | LAMTTO |
| Model Name | DC22 |
| Connectivity Technology | 4G LTE |
| Video Capture Resolution | 1080p |
| Included Components | 4G LTE dashcam |
| Mounting Type | Windshield Mount |
| Color | Black |
| Field of View | 120 Degrees |
| Compatible Vehicle Type | Automobile |
| Screen Type | LCD |
| Compatible Devices | Smartphone |
| Frame Rate | 30 FPS |
| Included Memory Card Size | 32 GB |
| Dimensions (DxWxH) | 8P x 7.6l x 3H cm |
| UPC | 758918449915 |
Warranty & Support
The LAMTTO DC22 4G LTE security camera includes:
- Lifetime Warranty: Enjoy peace of mind with a lifetime warranty on your device.
- 30-Day Money-Back Guarantee: Full refund within 30 days of purchase.
- 24/7 Customer Support: Our dedicated support team is available around the clock to assist you with any technical queries or installation help. Contact us anytime via Amazon.
