ZTE AT&T LTE Wireless Internet Router MF279 User Manual

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your ZTE AT&T LTE Wireless Internet Router MF279. This device offers 4G LTE connectivity with Wi-Fi capabilities, supporting up to 10 devices simultaneously on each Wi-Fi band (2.4 GHz and 5 GHz), for a total of 20 devices. It also includes features such as parental controls and an Ethernet port for wired connections.

2. Package Contents

Verify that all the following items are included in your product package:

• ZTE AT&T LTE Wireless Internet Router MF279
• Power Adapter
• Ethernet Cable
• Quick Start Guide / User Guide
• Lithium Polymer Battery

Image: The ZTE MF279 router, power adapter, Ethernet cable, and user guide laid out on a surface.

3. Device Overview

Familiarize yourself with the various ports and indicators on your ZTE MF279 router.

Image: A diagram illustrating the top and rear views of the ZTE MF279 router, with labels for Power, Voicemail, Wi-Fi, Information, WPS, Signal Strength, Battery Level indicators, and On/Off button, Ethernet port, Telephone Ports, Power Input, and optional Antenna Ports.

Front Panel Indicators:

• Power: Indicates the device's power status.
• Voicemail: Indicates new voicemail messages.
• Wi-Fi: Indicates Wi-Fi network activity.
• Information: Provides status updates (refer to AT&T Wireless Internet Manager for details).
• Battery Level: Shows the current battery charge.
• Signal Strength: Displays the strength of the cellular signal.

Rear Panel Ports:

• On/Off Button: Powers the device on or off.
• Ethernet Port: For wired network connections.
• Telephone Ports (2): For connecting standard landline phones.
• Power Input: Connects to the power adapter.
• Antenna Ports (Optional): For connecting external antennas to enhance signal reception.

4. Setup

Follow these steps to set up your ZTE MF279 router for the first time.

4.1. Insert SIM Card

1. Ensure the device is powered off.
2. Locate the SIM card slot, typically on the side or bottom of the device.
3. Insert a Nano SIM card into the slot with the gold contacts facing down and the notched corner aligned correctly. Push until it clicks into place.

4.2. Power On

1. Connect the power adapter to the Power Input port on the rear of the device and plug it into a wall outlet.
2. Press and hold the On/Off button until the power indicator lights up.

4.3. Activate Data Plan

A wireless internet data plan is required for internet access. Contact your service provider (AT&T) to activate or confirm your data plan.

4.4. Initial Connection

Once powered on and the data plan is active, the device will attempt to connect to the cellular network. The Signal Strength indicator will show the connection status.

5. Operating Instructions

5.1. Connecting Devices via Wi-Fi

The ZTE MF279 supports Wi-Fi 802.11 a/b/g/n/ac on both 2.4 GHz and 5 GHz bands.

1. On your Wi-Fi enabled device (smartphone, tablet, laptop), search for available Wi-Fi networks.
2. Select the network name (SSID) corresponding to your ZTE MF279. The default SSID and password are typically found on a label on the device or in the Quick Start Guide.
3. Enter the Wi-Fi password when prompted.
4. Your device should now be connected to the internet.

5.2. Connecting Devices via Ethernet

For a wired connection, use the Ethernet port:

1. Connect one end of an Ethernet cable to the Ethernet port on the ZTE MF279.
2. Connect the other end of the Ethernet cable to the Ethernet port on your computer or network switch.
3. The wired device will automatically obtain an IP address and connect to the internet.

5.3. Using WPS (Wi-Fi Protected Setup)

WPS allows for easy connection of compatible Wi-Fi devices without entering the password manually.

1. Press the WPS button on the ZTE MF279 (refer to the device overview for location).
2. Within two minutes, activate WPS on your Wi-Fi device.
3. The devices will automatically connect.

5.4. Managing Connected Devices and Parental Controls

You can manage connected devices and configure parental controls through the AT&T Wireless Internet Manager. This web interface is accessible from any device connected to your ZTE MF279.

1. Open a web browser on a connected device.
2. Enter the default IP address (e.g., 192.168.1.1) or URL for the AT&T Wireless Internet Manager (check your device's label or Quick Start Guide).
3. Log in using the administrator credentials.
4. From the manager, you can view currently connected devices, block or unblock specific devices, and set up parental control rules to restrict internet access.

5.5. Voice Services

The ZTE MF279 includes two standard telephone ports (J11) for connecting traditional corded or cordless phones. This allows you to use a cellular network for voice calls, similar to a landline.

• Connect your phone to one of the telephone ports on the rear of the device.
• Ensure your AT&T plan includes voice services for this device.
• Features like Voicemail, Three-Way Calling, Call Waiting, and Call Forwarding are supported, depending on your service plan.

6. Maintenance

To ensure optimal performance and longevity of your ZTE MF279 router:

• Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
• Placement: Place the device in a well-ventilated area, away from direct sunlight, heat sources, and moisture. Avoid placing it near other electronic devices that may cause interference.
• Software Updates: Periodically check the AT&T Wireless Internet Manager for available firmware updates to ensure your device has the latest features and security enhancements.
• Battery Care: If the device has a removable battery, follow proper charging and storage guidelines to extend battery life. Avoid extreme temperatures.

7. Troubleshooting

If you encounter issues with your ZTE MF279, try the following steps:

• No Internet Connection:
  • Check the Signal Strength indicator. If it's low or absent, try repositioning the device or connecting an external antenna.
  • Verify your data plan is active with AT&T.
  • Restart the router by powering it off and then on again.
• Slow Internet Speed:
  • Ensure you are within optimal Wi-Fi range.
  • Reduce the number of connected devices or active downloads.
  • Check for network congestion in your area.
• Cannot Connect to Wi-Fi:
  • Double-check the Wi-Fi password.
  • Ensure Wi-Fi is enabled on the router (Wi-Fi indicator should be lit).
  • Restart both the router and your connecting device.
• Device Not Powering On:
  • Ensure the power adapter is securely connected to both the router and a working power outlet.
  • Check if the power outlet is functional.
  • If applicable, ensure the battery is charged or properly inserted.

8. Specifications

9. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller/manufacturer directly. Support may also be available through your service provider, AT&T, for network-related issues.