MF79U Quick Start Guide

Getting to Know Your Device

Appearance

The following figure is for your reference only.

Device Diagram: A USB modem-like device is shown with numbered callouts pointing to its components.

Indicator Light

IndicatorStatusDescription
RedThe device is in error status.
• The device is not registered to the mobile network.
• There is no micro-SIM card inserted.
• There is no network service available.
Green solidThe device is registered to the 2G/3G mobile network.
Green blinkingThe device is connected to the 2G/3G mobile network and data is being transferred.
Blue solidThe device is registered to the 4G/LTE network.
Blue blinkingThe device is connected to the 4G/LTE network and data is being transferred.
Blue blinkingWPS is active.
Blue solidWi-Fi is active.
LED offWi-Fi is off.

NOTE: The Micro SDHC logo is a trademark of SD-3C, LLC.

Connection Scenarios

The device uses your micro-SIM card to access the Internet. It allows multiple clients to surf on the Internet at the same time.

Diagram: A tower symbol with signal waves connects to the USB modem, which is then shown connected to multiple client devices (laptops, desktop PC).

NOTE: With other accessories, such as a mobile power bank or car power adapter, you can supply power to your device and use it anywhere and anytime.

Installing Your Device

  1. Open the front cover.

    (Diagram: Device with cap removed, arrow indicating opening front cover.)

  2. Install a micro-SIM card to the micro-SIM card slot.

    (Diagram: Device with front cover open, arrow showing micro-SIM insertion.)

    WARNING! Your modem does not support standard SIM cards and nano-SIM cards. To avoid damage to the modem, do not use those cards or any card holders.

  3. Install a microSDHC card to the microSDHC card slot.

    (Diagram: Device with front cover open, arrow showing microSDHC insertion.)

  4. Close the front cover.

    (Diagram: Device with front cover closed, arrow indicating closing.)

Connecting to Your Device

Using USB Connector

Insert the device into your computer's USB port securely. The operating system automatically detects and identifies your device and starts the installation wizard.

NOTE: If the system does not automatically launch installation, you can click the device installation icon in My Computer > ZTEMODEM to install the software. The 4G Mobile Hotspot configuration page will open automatically, and then your computer will connect to your device successfully.

Using Wi-Fi

  1. Supply power to your device by connecting to your computer or using other accessories.
  2. Ensure that your computer or other client devices have enabled Wi-Fi, and search for available wireless networks.
  3. Select the Wi-Fi name (SSID) of your device, and click Connect.
  4. Enter the Wi-Fi password if necessary, and click OK.
  5. Wait until the client device is connected to your device successfully.

NOTE: Refer to your Wi-Fi-enabled client device manual for further details on how to search for wireless networks. If you use a computer, you need to set your computer to obtain an IP address automatically.

NOTE: Refer to the chapter "Getting to Know the Wi-Fi SSID and Password" to get the default Wi-Fi SSID and password.

Getting to Know the Wi-Fi SSID and Password

You can view the label on the package to get the default Wi-Fi SSID and password.

Logging in to the 4G Mobile Hotspot Configuration Page

  1. Ensure that the connection between your device and the client device is correct.
  2. Launch the Internet browser and enter http://192.168.8.1 or http://ufi.ztedevice.com in the address bar.
  3. Enter the password to log in to the 4G Mobile Hotspot configuration page.

NOTE: View the label on the package to get the default password.

Changing the Wi-Fi SSID or Password

  1. Log in to the 4G Mobile Hotspot configuration page.
  2. Select Wi-Fi Settings > Main SSID.
  3. Change the Network Name (SSID) or the Password.
  4. Click Apply.

Accessing the Internet

After a client device is successfully connected to your device, you can access the Internet in Automatic or Manual. The default mode is Automatic.

ModeOperation
AutomaticYour device is automatically connected to the Internet, and you can surf on the Internet through the client.
Manual
  1. Log in to the 4G Mobile Hotspot configuration page.
  2. Select Network Settings > Connection Mode > Manual, and then click Apply.
  3. Click ↩️ to return to the home page, and then click [OFF button] or [ON button].

Configuring Your PC

NOTES:

The following procedure describes how to configure the Internet Protocol in Windows for your Wi-Fi connection.

  1. Right-click Network and select Properties.
  2. Select Change adapter settings.
  3. Right-click Wireless Network Connection and select Properties.
  4. Select Internet Protocol Version 4 (TCP/IPv4), and click Properties.
  5. Select Obtain an IP address automatically and Obtain DNS server address automatically, and click OK.

Warning and Notice

To the Users

Limited Warranty

This warranty does not apply to defects or errors in the product caused by:

  1. Reasonable abrasion.
  2. End users' failure to follow ZTE's installation, operation or maintenance instructions or procedures.
  3. End users' mishandling, misuse, negligence, or improper installation, disassembly, storage, servicing or operation of the product.
  4. Modifications or repairs not provided by ZTE or a ZTE-certified individual.
  5. Power failures, surges, fire, flood, accidents, and actions of third parties or other events outside ZTE's reasonable control.
  6. Usage of third-party products or usage in conjunction with third-party products if such defects are due to the combined usage.
  7. Any other cause beyond the range of normal usage intended for the product.

End users have no right to reject or return the product, or receive a refund for the product from ZTE under the above-mentioned situations.

This warranty is end users' sole remedy and ZTE's sole liability for defective or nonconforming items, and is in lieu of all other warranties, expressed, implied or statutory, including but not limited to the implied warranties of merchantability and fitness for a particular purpose, unless otherwise required under the mandatory provisions of the law.

Limitation of Liability

ZTE shall not be liable for any loss of profits or indirect, special, incidental or consequential damages resulting from or arising out of or in connection with using of this product, no matter whether or not ZTE had been advised, knew or should have known of the possibility of such damages, including, but not limited to lost profits, interruption of business, cost of capital, cost of substitute facilities or product, or any downtime cost.

LEGAL INFORMATION

Copyright © 2020 ZTE CORPORATION. All rights reserved.

No part of this publication may be excerpted, reproduced, translated or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without the prior written permission of ZTE Corporation.

The manual is published by ZTE Corporation. We reserve the right to make modifications on print errors or update specifications without prior notice.

Version No.: R1.0

Edition Time: March, 2020

Troubleshooting

ProblemRecommended Action
When you insert the device into your computer's USB port, the operating system cannot install the software automatically.
  • Install the software manually. Please run the installation program in the path of My Computer > ZTEMODEM.
  • If the driver of your device is abnormal, reinstall the software. You need to uninstall the software first.
The connection between your device and a client through Wi-Fi cannot be established.
  • Ensure that the Wi-Fi function is enabled.
  • Refresh the network list and select the correct SSID.
  • Check the IP address, and ensure that your client can automatically obtain an IP address.
  • Enter the correct network key (Wi-Fi password) when you connect the client to your device.
The client connected to the device cannot access the Internet.
  • Ensure that your micro-SIM card is available.
  • Change the location and find a place with good signal.
  • Check the settings of the WAN connection mode.
  • Contact with your service provider and confirm your APN settings.
The 4G Mobile Hotspot configuration page cannot be visited.

Getting More Help

Contact Information

ZTE CORPORATION

NO. 55, Hi-tech Road South, Shenzhen,

P.R.China

Postcode: 518057

Models: MF79U, MF79U WIFI Dongle, MF79U, WIFI Dongle, Dongle

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