1. Introduction
Welcome to the user manual for your new Cuifati Portable 4G LTE Router. This device provides high-speed 3G/4G internet access, allowing up to 10 users to connect simultaneously. Its compact design and long-lasting 3000 mAh battery make it an ideal solution for various mobile internet needs, whether for travel, business, or outdoor adventures.
2. Package Contents
Please verify that all items are present in your package:
- 1 x Mobile WiFi Hotspot (Model: LT600)
- 1 x Matching Li-Ion Battery (3000 mAh)
- 1 x USB Charging Cable
- 1 x User Manual
3. Specifications
| Feature | Description |
|---|---|
| Product Type | Mobile WiFi Hotspot |
| Model | LT600 |
| Material | ABS |
| Color | Black |
| SIM Card Slot | Standard SIM Card (Plug-in Type) |
| Battery Type | 3000 mAh Li-Ion Battery (included) |
| 4G LTE FDD Bands | B1/3/5/7/8/20 |
| 4G LTE TDD Bands | B38/40/41 |
| 3G WCDMA Bands | B1/5/8 |
| WiFi Frequency | 2.4 GHz |
| Max Users Supported | Up to 10 users simultaneously |
| Number of Ports | 1 |
| Manufacturer Warranty | 1 Year Against Manufacturer Defects |
4. Setup Guide
4.1. Inserting the SIM Card and Battery
Follow these steps to prepare your router for use:
- Gently open the back cover of the device.
- Insert a standard SIM card into the designated SIM card slot. Ensure the card is oriented correctly as indicated by the diagram near the slot.
- Place the provided 3000 mAh Li-Ion battery into its compartment, ensuring the contacts align.
- Carefully close the back cover until it clicks securely into place.

This image displays the rear of the portable router with its back cover detached, revealing the internal compartments for the standard SIM card and the rechargeable battery. Ensure the SIM card is correctly oriented before insertion.
4.2. Powering On
After inserting the SIM card and battery, press and hold the Power button (usually located on the side or top, often near the WPS button) for a few seconds until the indicator lights on the device illuminate.
5. Operating Instructions
5.1. Connecting to the WiFi Network
Once your router is powered on, it will begin broadcasting a WiFi network. To connect your devices:
- On your mobile phone, laptop, desktop computer, or iOS tablet, navigate to the WiFi settings.
- Search for available WiFi networks. The network name (SSID) for your router is typically found on a sticker inside the battery compartment or on the device's packaging.
- Select your router's SSID from the list.
- Enter the WiFi password (also found on the sticker) when prompted.
- Your device should now be connected to the internet.
5.2. Understanding Indicator Lights
The device features several indicator lights on its top surface to provide real-time status updates:

This image provides a top-down view of the portable router, highlighting its three primary indicator lights. From left to right, these lights typically represent cellular signal strength, active WiFi connection, and battery status.
- Signal Strength Indicator: This light (often with bars) indicates the strength of the 4G LTE cellular signal. More illuminated bars signify a stronger and more stable connection.
- WiFi Indicator: This light illuminates when the WiFi network is active and broadcasting. A blinking light may indicate data transmission.
- Battery Indicator: This light shows the current battery level. It may change color or blink to indicate low battery or charging status.
5.3. Sharing Internet Access
The LT600 router is designed to support up to 10 simultaneous users, making it highly versatile for sharing internet access with family, friends, or colleagues. Simply connect each device to the router's WiFi network as described above.

This image features the portable router in the foreground, with a blurred background showing a person interacting with a smartphone. This visual metaphor represents the router's capability to provide internet access to multiple devices, including mobile phones, laptops, and tablets.
6. Maintenance
To ensure optimal performance and extend the lifespan of your Cuifati Portable 4G LTE Router, please follow these maintenance guidelines:
- Cleaning: Keep the device clean and free from dust. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Environmental Conditions: Avoid exposing the device to extreme temperatures (hot or cold), direct sunlight, high humidity, or dusty environments.
- Handling: Do not drop, puncture, or attempt to disassemble the device. Any unauthorized disassembly will void the warranty.
- Storage: If storing the device for an extended period, ensure it is fully charged, then power it off and store it in a cool, dry place.
7. Troubleshooting
If you encounter issues with your router, refer to the table below for common problems and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Internet Connection | No SIM card inserted or SIM card not active. | Ensure a standard SIM card is correctly inserted and has an active data plan. |
| No Internet Connection | Weak or no 4G signal. | Move the router to an area with better network coverage. Check the signal strength indicator on the device. |
| Cannot Connect to WiFi | Incorrect WiFi password. | Verify the WiFi password. It is usually found on a sticker inside the battery compartment or on the device packaging. |
| Device Not Powering On | Low battery or faulty battery. | Charge the device using the provided charging cable. Ensure the battery is properly inserted. If the issue persists, the battery may need replacement. |
| Slow Internet Speed | Too many connected users or network congestion. | Disconnect unnecessary devices. Try connecting in an area with less network traffic. Ensure your data plan supports the desired speed. |
8. Warranty and Support
8.1. Manufacturer's Warranty
This Cuifati Portable 4G LTE Router comes with a 1-year warranty against manufacturer defects from the date of purchase. Please retain your proof of purchase (receipt or invoice) as it will be required for any warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
8.2. Customer Support
For further assistance, technical support, or warranty inquiries, please contact your retailer or the manufacturer directly. Refer to the product packaging or the manufacturer's official website for specific contact information.
9. Safety Information
Please read and adhere to the following safety precautions to prevent damage to the device or injury to yourself:
- Water and Moisture: Do not expose the device to water, rain, or any liquids. Keep it away from sinks, bathtubs, and other wet locations.
- Physical Damage: Avoid dropping, puncturing, or subjecting the device to strong impacts.
- Disassembly: Do not attempt to disassemble, modify, or repair the device yourself. This can cause electric shock, fire, or damage to the product.
- Charging: Use only the original charging cable and battery provided with the device. Using incompatible accessories may cause fire, explosion, or other hazards.
- Battery Safety: The battery is a Li-Ion type. Do not expose it to high temperatures (above 45°C/113°F), direct sunlight, or fire. Do not short-circuit the battery terminals.
- Children: Keep the device and its accessories out of reach of small children to prevent choking hazards or other injuries.
- Disposal: Dispose of the device and battery responsibly according to local regulations for electronic waste. Do not dispose of them in household waste.

This image displays the 3000mAh Li-Ion battery that powers the portable router. Visible on the battery are various warning labels, including cautions against disassembling, puncturing, or exposing to high temperatures, along with its voltage and capacity specifications.


