ZTE MF90
Let’s go
Getting started with your device.
ZTE CORPORATION 
NO. 55, Hi-tech Road South, ShenZhen, P.R.China 
Postcode: 518057
LEGAL INFORMATION
Copyright © 2013 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, includ-
ing photocopying  and microlm, without the  prior written permission of 
ZTE Corporation.
The manual is published by ZTE Corporation. We reserve the right to 
make modications on print errors or update specications without prior 
notice.
Version No. : R1.0
Edition Time : 7.30.2013
NOTE:
Do not  use the device  in an enclosed  environment or where  heat dis-
sipation is  poor. Prolonged  work in such  space may  cause excessive 
heat and raise ambient temperature, which may lead to automatic shut-
down of  the device  for your  safety. In the case  of such event,  cool the 
device in a well-ventilated place before turning on for normal use.
Getting to Know Your Device
Appearance
The following gure  is only for your reference.  The actual product may 
be different.
1.  LED Indicators 
2.    Power Button 
3.    WPS Button 
4.    External Antenna Connector
5.    Micro USB Port 
6.    (U)SIM Card Slot 
7.    RESET Button
8.    microSD Card Slot
NOTE:  
microSD logo 
 is a trademark of SD-3C, LLC.
Indicators
Indicator Status Description
 Network
 
Red solid
Error status. Not registered to the mobile 
network, no (U)SIM card inserted or no 
network service available.
Green solid Registered to the 2G/3G network.
Green blinking
Connected to the 2G/3G network and 
data is being transferred.
Blue solid Registered to the 4G network.
Blue blinking
Connected to the 4G network and data is 
being transferred.
Wi-Fi 
Blue solid  WPS is active.
Blue blinking Wi-Fi is active.
LED light off
Wi-Fi is off or your device is in sleep 
mode.
 Battery
Red blinking
The battery is empty. Please charge the 
battery.
Red solid
•  The battery is low. Please charge the 
battery.
•  The battery is in the over-voltage 
charging status.
Green blinking The battery is being charged.
Green solid The battery level is middle or high.
LED light off
Your device is in sleep mode and not be-
ing charged, or the battery is not inserted.
Connection Scenario
Your device supports two  methods to connect  to the Internet and  sup-
ports multi-clients for  surng on the Internet  at the same time. The  fol-
lowing gure is only for your reference. 
•  4G Mode: Use your (U)SIM card to access the Internet.
•  Internet Wi-Fi Mode: Your device will connect  to other WLAN de-
vice (hotspot  device, wireless router, etc.)  via Wi-Fi to  access the 
Internet. The WLAN device has already connected to the Internet.
NOTE:
The subnets of your device and other WLAN device must be different. 
Installing Your Device
1.  Slide the back cover and remove it
2.  Insert the (U)SIM card.
IMPORTANT: Your device does not support Micro/Nano or any other 
nonstandard SIM cards. To avoid device damage, please do not use 
them.
3.  Insert the microSD card if necessary.
 
4.  Insert the battery.
5.  Close the back cover.
Connecting to Your Device
Via Wi-Fi
1.  Power on your device directly. 
2.  Use your normal Wi-Fi application on the client to search for the 
available wireless networks.
NOTE: Please set the client to obtain an IP address automatically refer-
ring to the chapter “Conguring your PC”, and then the client will get an 
IP address like “192.168.0.101”.
3.  Select the SSID of your device, and then click Connect. 
NOTE: Please check the label on your device to get the default SSID.
4.  Input the password, and then click Connect. 
NOTE:You may need  to input the  password for  Wi-Fi connection. 
Please check the label on your device to get the default. 
5.  Wait a  moment, and  then the  client will  connect to  your device suc-
cessfully.
Via USB Cable
1.  Connect to the device.
2.   Power on your device.
3.   The  OS detects  and recognizes  new hardware  and finishes  the 
installation automatically.
NOTE: If the system does not launch installation automatically, you can 
run the installation program in path of My Computer > ZTEMODEM.
4.   Wait a moment, and then the client will connect to your device suc-
cessfully.
Using the WPS(Optional)
If your client device supports WPS, you don’t have to input the pass-
word manually after WPS has been available. Please do the following:
1.  Power on  your device, and  enable the Wi-Fi  function on your  de-
vice.
2.  Press and hold the WPS button on your device about three sec-
onds to start Wi-Fi Protected Setup authentication process.
3.  Enable the WPS function on your client to respond this authentica-
tion process.
4.  Follow the system prompts on your client to nish the connection.
NOTE: For the detailed operations about the client, please refer to the 
client’s instruction.
Accessing the Internet
4G Mode
After the client connected to your device successfully, you can access 
the Internet in the Automatic or Manual mode. The default mode is 
Automatic.
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