1. Product Overview
The ZTE MF920U is an unlocked 4G LTE Mobile WiFi Router designed to provide high-speed internet access on the go. It supports various 4G LTE and 3G bands, offering download speeds of up to 150Mbps. With a 2000mAh battery, it can operate for up to 6 hours in 4G LTE mode, making it ideal for mobile office and travel use. The device also features a standard Micro-SIM card slot and options for external antennas.
2. Package Contents
Please check the package for the following items:
- ZTE MF920U 4G LTE Mobile WiFi Router
- USB Charging Cable
- Quick Start Guide (may vary by region)
- ZTELink Card (may vary by region)
- Optional: External Antennas (if purchased separately or included in specific bundles)
3. Device Layout
Familiarize yourself with the ports and buttons on your MF920U device:
- Front: Display screen with ZTE logo and indicator lights (Battery, Wi-Fi, Signal, SMS).
- Top: Two external antenna interfaces.
- Side: Micro USB port, Micro-SIM card slot (3FF), WPS button, Power button, Reset/Insert SIM card button.
4. Setup Guide
- Insert SIM Card: Open the SIM card slot cover. Insert a standard Micro-SIM card (3FF) into the designated slot with the gold contacts facing down and the notched corner oriented correctly. Ensure it clicks into place.
- Install External Antennas (Optional): If you have external antennas, connect them to the two antenna interfaces on the top of the device. This can improve signal reception in areas with weak coverage.
- Charge the Battery: Connect the device to a power source using the provided USB cable and a compatible USB charger. The battery indicator light will show charging status. Fully charge the device before first use.
- Power On: Press and hold the Power button until the indicator lights illuminate.
- Connect to Wi-Fi: On your Wi-Fi enabled device (laptop, smartphone, tablet), search for available Wi-Fi networks. Select the network name (SSID) displayed on the back label of your MF920U (e.g., WIFI: ZTE_XXXXXX). Enter the default Wi-Fi password (e.g., Password: ZTE_XXXXXX) to connect.
5. Operating Instructions
- Power On/Off: Press and hold the Power button for a few seconds to turn the device on or off.
- Connecting Devices: The MF920U can connect up to 10 Wi-Fi enabled devices simultaneously. Follow the Wi-Fi connection steps outlined in the Setup Guide.
- WPS Function: For quick and secure connection to WPS-enabled devices, press the WPS button on the side of the router, then activate WPS on your client device within two minutes.
- Indicator Lights: Monitor the indicator lights on the front panel for device status:
- Battery: Indicates battery level and charging status.
- Wi-Fi: Shows Wi-Fi network activity.
- Signal: Displays the strength of the 4G/3G network signal.
- SMS: Indicates new SMS messages.
- Accessing Device Manager: To manage settings, view network status, or send SMS, open a web browser on a connected device and navigate to the Device Manager Website:
http://192.168.0.1. You may need to log in with the default credentials (usually 'admin' for both username and password, or as specified on the device label).
6. Maintenance
- Battery Care: To prolong battery life, avoid exposing the device to extreme temperatures. Charge the device regularly, but avoid overcharging.
- Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
- Resetting the Device: If the device is unresponsive or you forget your Wi-Fi settings, you can perform a factory reset. Locate the Reset button (often recessed) and use a pin or paperclip to press and hold it for about 5-10 seconds until the device restarts. This will restore all settings to their factory defaults, including Wi-Fi name and password.
- Software Updates: Periodically check the device manager interface for available firmware updates to ensure optimal performance and security.
7. Troubleshooting
- No Network Connection:
- Ensure the SIM card is correctly inserted and activated.
- Verify that your SIM card's network provider supports the 4G LTE and 3G bands of the MF920U.
- Check the signal indicator on the device. If the signal is weak, try moving to an area with better reception or connecting external antennas.
- Confirm that your data plan is active and has available data.
- Cannot Connect to Wi-Fi:
- Ensure the device is powered on and the Wi-Fi indicator light is active.
- Double-check the Wi-Fi password.
- Try restarting both the MF920U and your client device.
- Slow Internet Speed:
- Check the signal strength. A weak signal will result in slower speeds.
- Reduce the number of connected devices.
- Ensure no background applications are consuming excessive bandwidth on connected devices.
- Contact your network provider to inquire about network congestion in your area.
- Device Unresponsive:
- Try restarting the device by holding the power button.
- If unresponsive, perform a factory reset using the Reset button.
8. Specifications
| Feature | Specification |
|---|---|
| Model | MF920U |
| Network Type | 4G LTE, 3G DC-HSPA+, 2G Quad Band |
| 4G LTE Bands | B1(2100), B2(1900), B4(1700), B5(850), B7(2600), B8(900), B28(700), B38(2600), B40(2300), B66(1700) |
| 3G Bands | 850/900/1900/2100 MHz |
| LTE Peak Download Speed | Up to 150 Mbps |
| LTE Upload Speed | Up to 50 Mbps |
| 3G DC-HSPA+ Download Speed | Up to 42 Mbps |
| 3G DC-HSPA+ Upload Speed | Up to 5.76 Mbps |
| Wi-Fi Standard | 802.11b/g/n |
| Wi-Fi Supported Frequency | 2.4 GHz |
| Max. Connected Devices | Up to 10 |
| SIM Card Slot | Standard Micro-SIM (3FF) |
| Antenna Type | Internal, 2x External Antenna Interfaces |
| USB Interface | 1 x USB 2.0 (Micro USB) |
| LAN Ports | 0 |
| Battery Capacity | 2000 mAh |
| Battery Life (4G LTE) | Up to 6 hours |
| Dimensions (H x W x D) | 105.6mm x 63.8mm x 14mm |
| Weight | 120g |
| Functions | Auto APN, SMS support, USSD support, Firewall |
| Supports WPS | Yes |
| Supports WDS | Yes |
| With Modem Function | No |
9. User Tips
- Network Compatibility: Before purchasing or using, always verify that the 4G LTE and 3G bands supported by the ZTE MF920U are compatible with your local mobile network provider (e.g., EE in the UK). This ensures optimal performance and connectivity.
- Data SIM Card: For best results, ensure you are using a dedicated Data SIM card from your mobile network provider.
- Battery Management: The 2000mAh battery provides up to 6 hours of 4G LTE usage. Keep an eye on the battery indicator and charge the device as needed, especially during long trips or extended use.
- External Antennas: If you are in an area with weak signal, consider using external antennas to boost reception and improve internet stability and speed.
10. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact your retailer. For technical support, please visit the official ZTE website or contact their customer service. Keep your purchase receipt and product serial number (found on the device label) handy when seeking support.
The device is designed for reliable performance. If you encounter issues not covered in the troubleshooting section, professional assistance may be required.