1. Introduction
Thank you for choosing the LMHOME 4G GPS Tracker. This device provides real-time location tracking, designed for versatile use including vehicles, personal assets, children, and motorcycles. With its robust 4G connectivity and powerful magnetic mount, it offers reliable and precise tracking capabilities. This manual will guide you through the setup, operation, and maintenance of your new GPS tracker.
2. Safety Information
- Do not disassemble or modify the device. Unauthorized modifications may void the warranty and pose safety risks.
- Keep the device away from extreme temperatures, direct sunlight, and high humidity.
- Use only the provided charging cable and a compatible power adapter.
- Ensure the device is securely mounted when used in moving vehicles to prevent dislodgement.
- Dispose of the device and its battery responsibly according to local regulations.
3. Package Contents
Please check the package for the following items:
- LMHOME 4G GPS Tracker (Model: 4G T3)
- USB Charging Cable
- User Manual (this document)
- Magnetic Mounting Base (integrated)

Image: The LMHOME 4G GPS Tracker, showing its compact size and the included charging cable and manual.
4. Product Overview
The LMHOME 4G GPS Tracker (GPS901) is a compact and powerful device designed for reliable real-time tracking. It features a 1500mAh battery for extended standby time and a strong magnetic base for easy installation.
Key Features:
- Real-time Tracking: Monitor the device's location instantly.
- 4G Connectivity: Ensures wide coverage and fast data transmission.
- Powerful Magnetic Mount: Allows for flexible and secure attachment to metallic surfaces.
- 1500mAh Battery: Provides up to 360 hours (7 days) of standby time.
- Geo-fence: Set virtual boundaries and receive alerts when the device enters or exits them.
- History Route Playback: Review past travel routes for up to 6 months.
- Multiple Alarms: Includes speed alarm, low battery alarm, and vibration alarm.
- Waterproof: IP65 rating for protection against dust and water splashes.

Image: Overview of the GPS901 tracker's basic and auxiliary functions, including battery life, installation method, and waterproof rating.

Image: Diagram illustrating the tracker's compatibility with both 4G LTE and 2G GSM networks, ensuring stable performance.
5. Setup
5.1. SIM Card Installation
The LMHOME 4G GPS Tracker requires a Micro SIM card with 4G data capabilities for full functionality. Ensure the SIM card is active and has sufficient data balance.
- Locate the SIM card slot on the device.
- Insert the Micro SIM card into the slot with the correct orientation until it clicks into place.
- Ensure the SIM card is properly seated to establish network connection.

Image: Visual guide for inserting the SIM card into the tracker and configuring APN settings via SMS commands from a smartphone.
5.2. Initial Charging
Before first use, fully charge the device. Connect the provided USB charging cable to the tracker and a power source (e.g., USB wall adapter, computer USB port).
- A full charge typically takes 2-3 hours.
- The indicator light will show charging status (refer to device specific LED behavior if available, otherwise general).
5.3. App Download and Registration
To access tracking features, download the official LMHOME GPS application on your smartphone or use the web platform.
- Scan the QR code below or search for "LMHOME GPS" in your device's app store (App Store for iOS, Google Play for Android).
- Alternatively, access the web platform via http://amr.gps902.net:8089/GPSONE/appen.html.
- Follow the in-app instructions to register an account and add your device using its unique ID (usually found on the device or packaging).

Image: Screenshot showing the LMHOME GPS application interface and QR codes for downloading the app from App Store and Google Play, along with the web platform URL.
6. Operating Instructions
6.1. Real-time Tracking
Once your device is connected to the network and registered in the app, you can view its real-time location on the map.
- Open the LMHOME GPS app and log in.
- Select your device from the list to see its current position, speed, and status.
- The map will display the tracker's exact coordinates and a visual representation of its location.

Image: A smartphone screen displaying the real-time tracking map with the tracker's location and a red car icon, indicating its position.
6.2. Geo-fence Setup
A geo-fence allows you to define a virtual boundary on the map. You will receive alerts when the tracker enters or exits this predefined area.
- In the app, navigate to the "Geo-fence" section.
- Draw the desired area on the map (e.g., home, office, school).
- Save the geo-fence and configure notification settings.

Image: Screenshots demonstrating how to set up a geo-fence zone on the app and view historical routes, showing map interfaces for both features.
6.3. History Route Playback
Review the historical movement of your tracker for up to 6 months.
- Access the "History Route" or "Historical Playback" feature in the app.
- Select the desired date and time range.
- The app will display the route taken by the tracker during that period.
6.4. Alarm Functions
The tracker supports various alarms to keep you informed:
- Overspeed Alarm: Set a maximum speed limit. You will be notified if the tracker exceeds this speed.
- Low Battery Alarm: Receive an alert when the device's battery level is critically low.
- Vibration Alarm: Get notified if the device detects significant vibration or movement.
Configure these alarms within the app's settings or notification section.
6.5. Magnetic Mounting
The integrated powerful magnet allows for easy and secure attachment to any metallic surface, such as the underside of a vehicle chassis, or inside a metal compartment.

Image: The tracker magnetically attached to the underside of a vehicle, demonstrating its strong magnetic hold. Icons below illustrate key features like real-time tracking, geo-fence, and battery life.

Image: Examples of how the tracker can be used, including placement in a backpack, handbag, attached to keys, or on luggage to prevent loss.
7. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Battery Care: To prolong battery life, avoid fully discharging the device frequently. Charge it regularly, especially if it will be stored for an extended period.
- Storage: Store the device in a cool, dry place when not in use.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not turning on/no power. | Low battery; faulty charging cable/adapter. | Charge the device fully. Try a different USB cable or power adapter. |
| No real-time tracking/offline. | No SIM card; SIM card not active/no data; poor network signal; incorrect APN settings. | Ensure SIM card is inserted correctly and active with data. Check network coverage. Configure APN settings via SMS (refer to SIM card provider for APN details). Restart the device. |
| Inaccurate location. | Weak GPS signal (indoors, underground); LBS positioning (less precise). | Move the device to an open area with clear sky view. Ensure 4G signal is strong. |
| App not working/cannot log in. | Incorrect login credentials; app server issues; outdated app version. | Verify username and password. Check internet connection. Update the app to the latest version. Contact customer support if issues persist. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | LMHOME |
| Model Number | 4G T3 (GPS901) |
| Connectivity Technology | 4G LTE, 2G GSM |
| Battery Capacity | 1500 mAh Lithium Polymer |
| Battery Life (Standby) | Up to 360 hours (7 days) |
| Dimensions (L x W x H) | 6 x 3.5 x 2.8 cm (2.36 x 1.38 x 1.1 inches) |
| Weight | 49 Grams (1.73 ounces) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Special Features | Magnetic Mount, Portable, Real-time Tracking, Geo-fence, History Playback, Alarms |
| Waterproof Rating | IP65 |
| Compatible Devices | Smartphone (via app) |
10. Warranty and Support
This LMHOME 4G GPS Tracker comes with a 6-month manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, warranty claims, or any questions regarding your device, please contact LMHOME customer service through the platform where you purchased the product or refer to the contact information provided in your purchase documentation.
Please have your product model number (4G T3) and purchase details ready when contacting support.





