Zte MF920US User manual

MF920U
Quick Start Guide

1
Getting to Know Your Device
Appearance
The following gure is for your reference only.
1. Charging/micro-USB jack
2. Indicator light
3. Power key
• Press and hold for about 2 seconds to power on/
o󰀨 your device.
• Press and hold for about 10 seconds to power o󰀨
your device, if it is in abnormal status. And then
press and hold for about 2 seconds to power on
your device again.

2
4. WPS key
Press and hold for about 2 seconds to activate the WPS
function.
5. micro-SIM card slot and reset hole
Reset hole: Press and hold for about 2 seconds to restore
your device to the factory settings.
Getting to Know Your Device
Indicator lights
Indicator Status Description
Battery
Red solid /
blinking
The battery is low. Please
charge the battery.
Green
blinking
The battery is being charged.
Green
solid
The battery level is middle or
high.
Light o󰀨 Your device is powered o󰀨 and
not being charged.
Wi-Fi
Blue solid Wi-Fi is active.
Blue
blinking
WPS is active.
Light o󰀨 Wi-Fi is o󰀨.

3
SMS
Blue solid You have unread messages.
Blue
blinking
You have new messages or the
message storage is full.
Light o󰀨 There is neither an unread
message nor a new message.
Network
Red The 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
solid
The device is registered to the
2G/3G mobile network.
Green
blinking
The device is connected to the
2G/3G mobile network and data
is being transferred.
Blue solid The device is registered to the
4G LTE network.
Blue
blinking
The device is connected to the
4G LTE network and data is
being transferred.

4
Getting to Know Your Device
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. The following gure is for your reference
only.

5
Installing the micro-SIM Card
1. Open the micro-SIM card slot cover.
NOTE:
Do not remove the cover rudely, because it is connected
with the device.
2. Install a micro-SIM card to the micro-SIM card slot.
WARNING!
Your device does not support SIM cards, nano-SIM cards or
any other non-standard micro-SIM cards. To avoid damage
to the device, do not use those cards or any card holders.
3. Close the micro-SIM card slot cover.

6
Connecting to Your Device
Using Wi-Fi
1. Power on your device.
2. Ensure that your computer or other client devices
have enabled Wi-Fi, and search for available wireless
networks.
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.
3. Select the Wi-Fi name (SSID) of your device, and click
Connect.
4. Enter the Wi-Fi password if necessary, and click OK.
NOTE:
Refer to the chapter Getting to Know the Wi-Fi SSID and
Password to get the default Wi-Fi SSID and password.
5. Wait until the client device is connected to your device
successfully.

7
Using a USB Cable
1. Connect a computer to your device with a USB cable.
2. Power on your device. The operating system detects
and identies new hardware, and automatically installs
the software.
NOTE:
If the system does not automatically launch installation,
you can double-click the device installation icon in My
Computer > ZTEMODEM to install the software.
3. Wait until the computer is connected to your device
successfully.
Getting to Know the Wi-Fi SSID and
Password
You can view the label on the device to get the default Wi-Fi
SSID and password.

8
Logging in to the 4G Mobile Hotspot
Conguration Page
1. Ensure that the connection between your device and the
client device is correct.
2. Launch the Internet browser and enter http://192.168.0.1
or http://u.ztedevice.com in the address bar.
3. Enter the password to log in to the 4G Mobile Hotspot
conguration page.
NOTE:
You can view the label on the device to get the default
password.
Changing the Wi-Fi SSID or Password
1. Log in to the 4G Mobile Hotspot conguration page.
2. Select Wi-Fi Settings.
3. Change the Network Name (SSID) or the Password in
the Main SSID area.
4. Click Apply.

9
Accessing the Internet
After a client device is successfully connected to your
device, you can access the Internet in Automatic or
Manual mode. The default mode is Automatic.
Mode Operation
Automatic Your device is automatically connected
to the Internet, and you can surf on the
Internet through the client.
Manual Log in to the 4G Mobile Hotspot
conguration page.
Select network Settings > Connection
Mode > Manual, and then click Apply.
Click to return to the home page, and
then click or .
NOTE:
• To change the current connection setting, please
disconnect from the Internet rst.
• To modify the parameters of your device, log in to the
4G Mobile Hotspot conguration page.

10
Conguring Your PC
The following procedure describes how to congure 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
• If inadequately shielded, some electronic devices, for
example, the electronic system of vehicles, may be
a󰀨ected by the electromagnetic interference caused by
the device. Consult the manufacturers of such devices
before using the device if necessary.

11
• Operating the device may interfere with medical
instruments such as hearing aids and pacemakers.
Always keep the device more than 20 centimeters
away from such medical instruments when your device
is powered on. Power o󰀨 the device if necessary.
Consult a physician or the manufacturers of medical
instruments before using the device if necessary.
• Be aware of the usage limitation when using the device
at places such as oil warehouses or chemical factories,
where there are explosive gases or explosive products
being processed. Power o󰀨 the device if necessary.
• Do not use electronic transmission devices in aircraft,
at petrol stations or in hospitals. Observe and obey
all warning signs, and power o󰀨 the device in these
conditions.
• Do not touch the inner antenna area unless necessary.
Otherwise the performance of the device may be
a󰀨ected.
• Do not use the device in an enclosed environment or
where heat dissipation is poor. Prolonged work in such
space may cause excessive heat and raise ambient
temperature, which may lead to automatic shutdown of
the device for your safety. In the case of such an event,
cool the device in a well-ventilated place before turning
on for normal use.

12
• Keep the device out of the reach of small children. The
device may cause an injury if used as a toy.
• When the device is operating, do not touch the metallic
parts. Failing to do so may cause burns.
• Use original accessories or accessories that are
authorized. Using any unauthorized accessories may
a󰀨ect the performance of the device and violate the
related national regulations about telecom terminals.
• Avoid using the device near or inside metallic
constructions or establishments that can emit
electromagnetic waves, because signal reception may
be a󰀨ected.
• The device is not waterproof. Keep the device dry and
store it in a shady and cool place.
• Do not use the device immediately after a sudden
temperature change, because dew may be generated
inside and outside the device. Do not use it until it
becomes dry.
• Handle the device carefully. Do not drop, bend or strike
it. Otherwise the device may be damaged.
• Only qualied personnel can dismantle and repair the
device.
• The humidity between 5% and 95% is recommended.

13
• Do not connect the charger while using the device for
a long period. Failing to do so will trigger the protection
mechanism of the battery, and the battery will not be
charged. If you want to charge the battery, please
reconnect the charger.
• Do not connect the charger while using the device for
a long period or use the device and battery in non-
operating temperature. Failing to do so will shorten
battery life or cause battery swelling or leakage. If the
battery shows signs of swelling or leakage, please stop
use immediately.
• For pluggable equipment, the socket-outlet shall
be installed near the equipment and shall be easily
accessible.
Battery Safety
WARNING!
The battery is not removable. Removal may cause re or
explosion.
• Using ZTE-unapproved or incompatible battery, charger
or power adapter may damage your device, shorten its
lifespan or cause a re, explosion or other hazards.

14
• The recommended operating temperatures are 0 °C
to 35 °C and the storage temperatures are -20 °C to
+45 °C. Extreme temperatures can damage the device
and reduce the charging capacity and lifespan of your
device and battery.
• Do not change or replace the built-in rechargeable
battery in your device by yourself. The battery can only
be changed or replaced by ZTE or ZTE authorized
service provider.
• Do not place the device or the battery in or near
heating equipment, such as microwave ovens, stoves
or radiators. Keep the device and the battery away from
excessive heat and direct sunlight. If not, the device or
the battery may overheat and cause explosion or re.
• Do not disassemble, squeeze or puncture the device,
as this can cause explosion or re.
• Do not throw the device into a re to avoid explosion.
• Please disconnect the charger when the battery is fully
charged. Overcharging may shorten the battery life.
• When not using the device for a long period, please
charge the battery about half and then store the device
in a cool dry place.
• If the battery damages or shows signs of swelling or
leakage, please stop use immediately and contact ZTE
or ZTE authorized service provider for replacement.

15
Limited Warranty
This warranty does not apply to defects or errors in the
product caused by:
i. Reasonable abrasion.
ii. End users’ failure to follow ZTE’s installation, operation
or maintenance instructions or procedures.
iii. End users’ mishandling, misuse, negligence, or
improper installation, disassembly, storage, servicing or
operation of the product.
iv. Modications or repairs not provided by ZTE or a ZTE-
certied individual.
v. Power failures, surges, re, ood, accidents, and
actions of third parties or other events outside ZTE’s
reasonable control.
vi. Usage of third-party products or usage in conjunction
with third-party products if such defects are due to the
combined usage.
vii. 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.

16
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 tness 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 prots 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 prots, interruption of
business, cost of capital, cost of substitute facilities or
product, or any downtime cost.

17
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 microlm,
without the prior written permission of ZTE Corporation.
The manual is published by ZTE Corporation. We reserve
the right to make modications on print errors or update
specications without prior notice.
Version No.: R1.0

18
Troubleshooting
Problem Recommended Action
The connection
between your
device and a
PC through
a USB cable
cannot be
established.
• Install the software. 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
rst.
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.