ZTE MF79U 150Mbps 4G USB WiFi Modem

1. Introduction

The ZTE MF79U Wingle functions as both a 4G modem and a portable WiFi router. It allows you to connect to a 4G mobile network and broadcast a Wi-Fi signal, enabling up to 10 devices (tablets, computers, mobile phones, gaming devices) to connect wirelessly. Additionally, one device can connect via a USB interface. The device supports Wi-Fi 802.11 b/g/n standards.

2. Important Notes

• Carrier Compatibility: Before use, verify that your telecom operator's frequency bands are compatible with the device's supported frequency bands. This is crucial for network connectivity.
• Antenna Installation: While external antennas are optional, if you choose to install them, exercise caution. Do not apply excessive force to avoid damaging the antenna connectors.
• Language Support: The device interface supports English and Chinese languages.
• Website Password: The web management interface password may be unique to your device. Please retain your product packaging as it may contain this information.
• SIM Card Type: Ensure you use a Micro SIM card with the ZTE MF79U.

3. Package Contents

The standard package includes:

• 1 x ZTE MF79U 4G USB WiFi Modem
• 2 x TS9 External Antennas (optional use)
• 1 x Product Box

4. Device Overview

Familiarize yourself with the key components of your ZTE MF79U:

• USB Connector: Used for powering the device and connecting to a computer.
• Indicator Lights: Provide status information for network connectivity and Wi-Fi.
• SIM Card Slot: Located under a cover, for inserting your Micro SIM card.
• Micro SD Card Slot: For expandable storage (up to 32GB).
• External Antenna Ports (2x TS9): For connecting optional external antennas to improve signal strength.
• Buttons: Typically include a Wi-Fi button and a WPS button for easy connection.

5. Setup Guide

Follow these steps to set up your ZTE MF79U:

1. Insert SIM Card: Carefully open the SIM card slot cover. Insert your Micro SIM card into the designated slot with the gold contacts facing down and the notched corner oriented correctly. Close the cover securely.
2. Attach External Antennas (Optional): If you wish to use external antennas for improved signal, gently screw the two TS9 antennas into the antenna ports on the device. Do not overtighten.
3. Power On: Plug the ZTE MF79U into a USB power source, such as a computer's USB port, a USB wall adapter, or a mobile power bank. The device will automatically power on and begin searching for a network.
4. Wait for Network Connection: The indicator lights will show the device's status. Wait for the network indicator to show a stable connection (e.g., solid blue or green, depending on the model's specific indicators).

6. Operating Instructions

6.1 Connecting Devices via Wi-Fi

1. Ensure the ZTE MF79U is powered on and connected to the mobile network.
2. On your Wi-Fi enabled device (smartphone, tablet, laptop), search for available Wi-Fi networks.
3. Select the Wi-Fi network name (SSID) corresponding to your ZTE MF79U (usually printed on a label on the device or packaging).
4. Enter the Wi-Fi password (also found on the device label or packaging) when prompted.
5. Your device should now be connected to the internet via the MF79U's Wi-Fi hotspot.

6.2 Connecting Devices via USB

When connected to a computer via USB, the MF79U can function as a direct modem:

1. Plug the ZTE MF79U into an available USB port on your computer.
2. The device is Plug & Play, meaning it should automatically install necessary drivers. Follow any on-screen prompts.
3. Once installed, your computer should detect the modem and establish an internet connection.

6.3 Accessing the Web Management Interface

To manage settings, such as Wi-Fi name, password, or network preferences:

1. Connect your device to the MF79U via Wi-Fi or USB.
2. Open a web browser and enter the default IP address (e.g., 192.168.0.1 or 192.168.1.1) or URL (check device documentation/packaging) into the address bar.
3. Enter the username and password (default credentials are often 'admin' for both, but refer to your packaging for the specific password).
4. You can now configure various settings for your device.

7. Specifications

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
• Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
• Handling: Handle the device with care to prevent physical damage. Avoid dropping or subjecting it to strong impacts.

9. Troubleshooting

• No Network Signal: Ensure your SIM card is correctly inserted and active. Check if your location has network coverage for your operator. Verify that your operator's frequency bands are compatible with the device. Try moving to an area with better signal.
• No Internet Connection: Confirm that the network indicator light is stable. Check your SIM card's data plan and balance. Access the web management interface to ensure APN settings are correct (these are usually auto-configured but can be manually set if needed).
• Wi-Fi Connection Issues: Ensure the Wi-Fi function is enabled on the device. Double-check the Wi-Fi network name (SSID) and password. Try restarting the MF79U.
• Slow Speed: Signal strength can affect speed. Try repositioning the device or using external antennas. Ensure no other devices are consuming excessive bandwidth.
• Device Not Recognized by Computer: Ensure the USB connection is secure. Try a different USB port. On Windows, check Device Manager for any driver issues.

10. User Tips

• For optimal performance, place the device in an open area, away from obstructions and other electronic devices that might cause interference.
• If you experience weak signal, consider using the provided external TS9 antennas.
• Regularly check your data usage to avoid unexpected charges, especially when traveling.
• Keep your Wi-Fi password secure and change it periodically through the web management interface.

11. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for warranty claims.