ZTE ZTEMF626 HSDPA USB Modem User Manual RF Test Report SIM5210

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Document ID	966671
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Document Description	User Manual
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Document Type	User Manual
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Date Submitted	2008-07-08 00:00:00
Date Available	2008-07-08 00:00:00
Creation Date	2008-06-26 16:04:56
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Document Lastmod	0000-00-00 00:00:00
Document Title	RF Test Report SIM5210.doc
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Document Author:	Cai_Cai

ZTE MF626 HSDPA USB Modem
User Manual
Contents
1 Modem Introduction ................................................. 4
1.1 Introduction ........................................................4
1.2 Warning and Notice .........................................4
1.3 Applicability Scope ..........................................5
1.4 System requirements......................................6
1.5 Functions.............................................................6
1.6 Specification ......................................................6
1.7 LED indications .................................................7
2 Installation.................................................................. 8
2.1 Outline and parts ..............................................8
2.2 Hardware Installation .....................................8
2.3 Software Installation.....................................13
2.4 Run the Application Software....................19
2.5 Hardware Uninstall ........................................19
2.6 Software Uninstall .........................................20
3 Functions & Operation........................................... 22
3.1 Interface introduction...................................22
3.1.1 Main Interface .......................................................22
3.1.2 Description of Mini Icons .....................................24
3.2 Connecting Internet.......................................26
3.3 SMS......................................................................28
3.3.1 Read SMS .............................................................30
3.3.2 Create new message ..............................................30
3.3.3 The SMS box Operating Guide.............................33
3.4 Phonebook ........................................................33
3.4.1 Creating a new contact ..........................................34
3.4.2 Modifying contacts ...............................................35
3.4.3 Deleting contacts...................................................35
3.4.4 Sending SMS to a contact .....................................36
3.4.5 Searching for a contact..........................................36
3.5 Settings..............................................................36
3.5.1 Connection Settings ..............................................37
3.5.2 Security Settings ...................................................39
3.5.3 Network Settings...................................................40
3.5.4 Messages Settings .................................................43
3.5.5 Alert settings .........................................................44
3.6 MicroSD card....................................................44
3.7 Help .....................................................................45
4 FAQ & Answers ........................................................ 46
1 Modem Introduction
1.1 Introduction
Thank you for using ZTE MF626 HSDPA USB Modem.
To guarantee the modem always in its best condition, please
read this manual carefully and keep it for further use.
The pictures, symbols and contents in this manual are just for
your reference. They might not be completely identical with your
modem. We operate a policy of continuous development. We
reserve the right to update the technical specifications in this
document at any time without prior notice.
The ZTE MF626 HSDPA USB Modem is a type of multi-mode,
3G modem, suitable for GSM/GPRS/WCDMA/EDGE/HSDPA
network. It adopts USB interface which provides an easy
interface to laptop and desktop PC. With the GSM/ GPRS/
EDGE/ UMTS/ HSDPA mobile network, it can help you carry out
SMS, data service and will help you break away from the limit of
time and zone, and realize wireless communication at any
moment everywhere.
1.2 Warning and Notice
To the owner
n Some electronic devices are susceptible to electromagnetic
interference sent by modem if inadequately shielded, such as
electronic system of vehicles. Please consult the
manufacturer of the device before using the modem if
necessary.
n Operating of laptop and desktop PC and modem may
interfere with medical devices like hearing aids and
pacemakers. Please always keep them more than 20
centimeters away from such medical devices when they are
turned on. Turn the modem off if necessary. Consult a
physician or the manufacturer of the medical device before
using the modem.
n Be aware of the usage limitation when using a modem at
places such as oil warehouses or chemical factories, where
there are explosive gases or explosive products being
processed. Therefore, turn off your modem if required.
n Don’t touch the inner antenna area if not necessary.
Otherwise it will affect your modem’s performance.
n Store the modem out of the reach of little children. The
modem may cause injury if used as a toy.
Modem
n Please use original accessories or accessories that are
authorized. Using any unauthorized accessories may affect
your modem’s performance, and violate related national
regulations about telecom terminals.
n Avoid using the modem near metallic structure device or
establishment that can emit electromagnet wave. Otherwise it
may influence receiving signals.
n The modem is non-waterproof type, please keep it dry and
store in shady and cool place.
n Don’t use the modem immediately after a sudden
temperature change. In such case, it will produce dew inside
and outside the modem, so don’t use it until it becomes dry.
n Take the modem carefully. Don’t lose, bend or cause it struck.
Otherwise it will lead to destruct damage.
n No dismantling by non-professional and only qualified
maintainer can undertake repair work.
1.3 Applicability Scope
ZTE MF626 HSDPA USB Modem supports the present
mainstream types of laptops and desktop PCs, such as HP, IBM,
Toshiba, Lenovo, Dell, Sony, etc.
1.4 System requirements
Operating System：Windows 2000 / XP / Vista, and MAC OS X
10.3, 10.4, 10.5
Configuration (Recommended):
CPU
500MHz Pentium or above
Hard Disk 20M or above
RAM
128M or above
The performance of the modem may be influenced if
configuration is under the recommended requirement.
1.5 Functions
Functions: SMS service, data service, applied management,
data concurrence, support MicroSD card, etc.
1.6 Specification
Interface Type
Systems
supported
Operating
systems
Functions
Network
Standards.
Frequency band
Transmission
USB 2.0 high speed
Supports most types of laptop and desktop
PC.
Windows 2000, XP SP2, Vista
Apple MAC OS X 10.3, 10.4, 10.5
SMS service, Data service, Applications
management, Data concurrent, support
MicroSD card, etc.
HSDPA/UMTS/EDGE/GPRS/GSM
HSDPA/UMTS: 2100/1900/850MHz
GSM/GPRS/EDGE:
1900/1800/900/850MHz
UMTS: 384Kbps UL
HSDPA: 3.6Mbps DL
Temperature
Dimension
Weight
T-flash
Capability
Storage: -20°C ~ +60°C
Operation: -10°C ~ +55°C
69 mm x 26.5 mm x 12 mm
About 40g
Support up to 2G microSD
1.7 LED indications
In the USB Modem there is a multi-colour-LED (light), which
shows the status of the modem, using different colours and
flash-signalling. In this table below an explanation is given of all
different situations:
Indicator
Modem status
Error Status, or Modem not ready yet,
Red burning
busy starting up
Green blinking
Attached to 3G network
Green burning
Active connection via 3G network
Blue blinking
Attached to 2G network
Blue burning
Active connection via 2G network
2 Installation
2.1 Outline and parts
The following figure shows the appearance of the MF626.
It is only for your reference. The actual product may be
different.
○
○
○
○
○
○
1 Indicator
It indicates your modem status.
○
2 Memory card slot (microSD card)
It is where you insert memory card (microSD card).
○
3 Modem cap
It protects your modem USB port when it is not used.
○
4 SIM/USIM card slot
It is where you insert the subscriber identity module/UMTS
subscriber identity module (SIM/USIM) card
○
5 USB connector
Connect your modem to the laptop or desktop computer.
2.2 Hardware Installation
1. Insert the SIM/USIM card into the USB Modem:
First, you should insert your USIM/SIM card into the USB
Modem, and confirm that your SIM/USIM card support data
service, GPRS, EDGE, UMTS or HSDPA etc. If you have
questions on this, please consult your service supplier.
To install SIM/USIM card,
l First take down the modem cap, then the USB connector is
visible.
l Pull the plastic socket above the USB connector out.
Note: Do not pull the socket rudely for the socket is fixed with
the modem. Otherwise the socket will get damaged.
Then insert the SIM/USIM card into the socket, here make
sure that metal contact area facing to the modem.
l
Insert the plastic socket into the modem. You can hear a
click when the SIM/USIM card locks into place.
To Remove the SIM/USIM card from the USB modem,
10
l
First take down the USB cap.
Pull the plastic socket slightly, and you can hear a click
when the USIM/SIM card gets unlocked.
Take off the SIM/USIM card.
11
l Insert the socket into the modem.
2. Install memory card
You can use a compatible MicroSD card to save more data. Only
MicroSD card is supported by the modem and do not use other
memory card in the modem. Install MicroSD card in the USB
Modem, if you want to use it.
l Open the MicroSD card cover.
l Insert the MicroSD card into the slot. Make sure the metal
contact side of the memory card facing the modem shown
as the following picture.
12
l
Then close the MicroSD card slot cover. The driver of the
MicroSD card will installed automatically when the modem
driver is installed.
Note: maximum 2GB MicroSD card is supported
3. Connect the USB Modem to your laptop or desktop PC:
l Connect the USB Modem to the USB port and ensure that it
is tightly inserted.
l The modem will be automatically recognized.
l The system will automatically detect and recognize the new
hardware and display the new icon in the desktop status bar,
indicating that the computer and the USB Modem have been
connected properly. After a few seconds, the installation
program will start automatically.
2.3 Software Installation
The system will automatically detect and recognize the
new hardware and display the new icon in the desktop
status bar, indicating that the computer and the USB
Modem have been connected properly. After a few
seconds, there will show the following installation interface
if the laptop and desktop PC supports automatic
installation.
If the laptop and desktop PC doesn’t support automatic
installation, start the installation program by run the
AutoRun.exe
from the CD-ROM drive. The
following installation interface will show how to start
installation.
13
Strongly recommend you to exit other programs, and click
“Next”.
14
Read the agreement carefully. If you agree, choose “I accept the
terms of the license agreement”, and then click “Next”.
15
Select the folder that you want to install the software, and you
can select a different location by pressing “Change”, then click
“Next”.
The modem software “ZTE Mobile Connection” begins to install.
16
The system show the installation progress, wait a minute and
the following screen will show up:
17
Click “Finish” to complete the installation.
Note：If you have problems with installation after the upper
operation, please contact the shop or ZTE.
After the installation, select the “Start → Programs” and there
will be a “MODEM Mobile Connection” program group，which
includes “MODEM Mobile Connection” and “MODEM Uninstall”.
There will be a Shortcut icon like below on the desktop.
18
2.4 Run the Application Software
After the modem is correctly connected, click the “Start →
Programs → ZTE Mobile Connection → ZTE Mobile
Connection” menu on the laptop or desktop PC to run the
application software.
Or double click the shortcut icon, to run the application software.
After modem initialized, main interface appears. When the
standby icon
properly.
appears in the taskbar, the modem can work
2.5 Hardware Uninstall
Close the software application then remove the hardware
following the procedure below.
- Firstly click the “close” button on the menu, and then
click “OK” to close the software.
- Then remove your USB Modem safely.
When you use a MicroSD card in the modem:
Please left click the icon
19
in the Windows system
tray bar. Then a menu will popup and indicates the USB
devices list as below:
Select “Safely remove the USB disk” which is relevant to
the MicroSD card.
Pull out the USB modem directly, if you want to
disconnect the modem from the laptop or desktop PC.
2.6 Software Uninstall
Close the application program before the software uninstalls.
Click “Start→ Programs→ ZTE Mobile Connection→ ZTE
Uninstall” menu on the laptop or desktop PC.
Click “Yes” to confirm uninstall of the software.
Click “Yes” according to the indication, then the system begins
to uninstall programs, wait a minute and the following screen will
appear:
20
Click “Finish” to complete the application software uninstall.
21
3 Functions & Operation
3.1 Interface introduction
3.1.1 Main Interface
The starting screen of the USB Modem software is shown as the
following:
Function button area
System information area
User area
The whole interface is divided into three parts. Related functions
can be executed by operation in the related areas.
1. Function button area:
There will show various function button icons. Select different
function button and it will carry out corresponding operation.
Internet: Connect to the Internet.
SMS: Send SMS or read SMS.
Phonebook: Save and view the different information of
the contacts.
22
Settings: Set normal relative information for the
modem.
Help: System information for Help.
2. System information area:
Show the system status and different kinds of tips.
Icon
Explanations
The icon indicates the network signal intensity.
There are 6 stages from none to the strongest.
The icon indicates there are new SMS at
present.
The icon indicates the current status of Internet
connection is not connected.
The icon indicates the current status of Internet
connection is already connected.
The letter “ P” means it supports packet-switch
（P）service, while letter “ C” means it supports
circuit switch（C）service. “P” is necessary for
Internet connection.
The icon indicates insert status of the modem.
Green means it has been inserted into the
computer.
The icon indicates insert status of the modem.
Red means it has not been inserted into the
computer.
The icon indicates insert status of the modem.
Yellow means it has been inserted into the
computer but in offline status.
23
Icon
Explanations
The icon indicates insert status of the
SIM/USIM card to the modem. Green means
the card has been inserted.
The icon indicates insert status of the
SIM/USIM card to the modem. Red means it
has not been inserted.
The icon indicates the current network type, i.e.
EDGE or GPRS, HSDPA service.
The icon indicates the current network type, i.e.
EDGE or GPRS, HSDPA service.
3. User Area:
Show the man-computer interaction information under various
conditions.
3.1.2 Description of Mini Icons
When click the mini button, the software will minimize as an icon
on the system taskbar. If connected to the Internet, the
minimized software won’t influence the download of data or
receiving SMS. When the application window is minimized, the
system icons will display on the taskbar. Double click the icon to
resize the display.
1. Taskbar Icons Description：
The USB Modem has been inserted into the computer.
The USB Modem is not inserted into the computer.
The USB Modem is offline.
24
UIM/SIM card is not inserted.
No network signal.
There is a new message.
The USB Modem is ready to connect to Internet.
The Internet is already connected.
2. The uses of Tray Icons：
Right Click the tray icons, the following menu will appear:
Device Offline/Device Online: Switch the current connection
status of the modem and the network.
Factory Settings: Restore all the settings to the original values
in the USB modem. This operation just affects the settings in the
USB modem and do not change any software settings in the
laptop or desktop PC.
Help: Enter the USB modem software help.
About: View the information of the application software and
hardware versions.
Exit: Close the software and stop the modem from working.
25
3.2 Connecting Internet
You can browse web pages after you have accessed to Internet
with the help of modem, you can also receive SMS when surfing
in the Internet.
1. Connect to the Internet:
Click the Internet icon. Then the system will ask you “Connect to
Internet?” Select “Connect”.
When connected, there is a status bar in the bottom of the user
area which shows “State: connected to …”, and the user area
will show data amount, connected time and so on. Then you can
access Internet and receive email etc through network.
26
You can click “Disconnect” to stop the connection when the
“Connect” 'button becomes “Disconnect” button,
2. Internet connection records:
Click “Internet connection records”
check the log of Internet connection history.
27
to
3.3 SMS
Note: To ensure that the SMS can be used properly, at first, you
should setup the correct SMS center number. Refer to section
“3.5.4 Messages Settings”.
Click the “SMS” icon to switch to the SMS interface and it will
show the number of messages in the inbox, outbox and draft
box. The user can click icons of “InBox”, “OutBox”, “DraftBox”
and “New Message” to enter relative interface.
28
InBox: Save the received messages.
OutBox: Save the successfully sent messages.
Draft box: Save the editing SMS which haven’t been sent. The
drafts can only be saved in computer, not USIM/SIM.
New Messages: Write a new message.
For example: “Message in InBox PC : 2 Item(s) (U)SIM Card: 1
Item(s)” means: The PC side has 2 short message and there are
1 short messages in the Inbox of the SIM card , “SIM Card
capability” means the SIM card can hold 30 short messages.
Different SIM/USIM cards will have different capacities. For
more information, please consult your supplier. It will show the
capacity automatically in usage, like the above “30”.
29
3.3.1 Read SMS
Click the “Inbox” button on the main interface or click new
message icon on the system taskbar to read the SMS saved in
the box. .
You can use the buttons under the menu to execute reading,
replying, forwarding, move, delete, saving numbers functions
and so on.
3.3.2 Create new message
Click “New Message” button to input the recipient’s number and
content.
30
The recipient’s number can be input directly or by entering the
phonebook to select one/more/group records.
The recipient’s amount can be one or more. Please use “;” to
separate recipients.
The SMS content can include 140 individual English characters
(including English symbols. On the interface, there will show
total characters.
Click “Send”, the prompt screen like bellow will appear on the
interface.
31
Select “Yes”, and then the edited short messages will be sent.
After sent successfully, the SMS will be saved into outbox
automatically. If send fails, it will be saved to the draft box
automatically.
Send SMS while browse the web:
When surfing the Internet, if your network supports, you can
send short messages at same time. Click “SMS” button icon,
enter the short message interface to send short messages
normally.
32
3.3.3 The SMS box Operating Guide
Enter any of the InBox/OutBox/DraftBox to execute the
following functions:
Read: Read all the information of short messages. (The content
of short messages, sender’s phone number, delivered date and
time)
Reply: Reply short message to the sender.
Forward: Send the short message to other recipients.
Move: Change the current location (at computer side or
USIM/SIM card) where the short messages are saved to the
other location. When the modem receives new short messages,
by default messages settings it will receive the messages by the
USIM/SIM card and save them at the computer side.
Delete: Delete the selected short messages.
Save: Save the sender number obtained from the message to
phonebook.
Cancel: Return to the SMS interface.
If you want to select several messages, you can use the “Ctrl” or
“Shift” key to execute multi-choice, and left click an item to add
to selection.
New message can not be received when the USIM/SIM card is
full of short messages (Different USIM/SIM cards have different
capacities), the system will indicate the inbox is full and ask
users to clear the inbox at USIM/SIM card side, while new
message can not be saved.
3.4 Phonebook
Click “Phonebook” icon to access to the phonebook window,
the phonebook information can be saved in the PC or SIM/USIM
card and you can choose the saved position. Each record
includes contact name, mobile phone number, family phone
number, office phone number, email and the group name which
it belongs to.
33
3.4.1 Creating a new contact
1) Click New – New Contact.
34
2) Select save position to decide where you want to save your
contact, PC or SIM/USIM.
3) Enter the name, telephone number, Email address. Then click
OK.
3.4.2 Modifying contacts
1) Select a contact to modify and then double-click it or click
Edit.
2) After the modification, click OK.
3.4.3 Deleting contacts
1) Select one or more contacts and then click Delete.
2) At the prompt, click YES.
35
3.4.4 Sending SMS to a contact
1) Select one or more contacts and then click SMS.
2) You will access in the writing SMS window automatically, the
selected contact mobile phone numbers will be listed in the
receiver column.
3) Enter the contents of the message and then click Send.
3.4.5 Searching for a contact
1) Enter the search conditions in the search condition blank.
2) Click Search begin searching.
3) The searching results will display in the contacts window.
3.5 Settings
Click “Settings” icon to switch to the settings interface. It
includes: Connection settings, Security settings, Network
settings, Messages settings, Alert settings.
Note: all the necessary settings have been correctly saved in
your USB modem by ZTE. There is no need to change these
default settings.
36
3.5.1 Connection Settings
To ensure that the modem can connect the Internet properly,
you should configure the connection information first.
1. Button description
Add: Add new configuration files.
Delete: Delete the selected configuration files.
Edit: Edit the selected configuration files.
Set Default: Select one configuration file from the list, and set it
as the current using files.
37
2. Config File
Select “add” to add new connection information to the system.
The “Config File” screen wills popup:
The configuration information includes: Config Filename, Dial
Number, User name, Password, APN, DNS, and PDP address.
If network supports “Obtain server address automatically”, the
modem can obtain the assigned IP information automatically. If
network does not support it, you should input the proper address
manually. Please consult the network supplier of SIM/USIM card
for all above information. The configuration information may be
various according to the different network suppliers and network
types.
38
3.5.2 Security Settings
1. Enable the PIN Code：
When “PIN enable” item is selected, please enter PIN code to
use the modem and you can click “Revise PIN” to modify the
number.
2. Backup Phonebook and SMS:
If the item is selected, it means that the Phonebook and SMS
will backup manually in the computer side. If you operate the
data by mistake, you can click the “Resume” to restore to the
previous data.
39
3.5.3 Network Settings
1. Select Network：
Automatic: The system selects the network automatically by
the user’s selected rules and the network status.
Manual: The network is selected by users themselves.
2. Network Mode Select
Automatic: The system selects the available network
automatically.
UMTS Only: The system will only select the UMTS network.
GSM Only: The system will only select the GSM network.
40
3. Manual Select
When the “Manual” is selected, click the “Apply” button, pop-up
the following window:
Wait a minute, the supplier list will show in the windows and
which with the blue and green icons can be selected. Select a
proper network to connect.
41
Select the network that the supplier is utilized to serve your
USIM/SIM and press “Select” to enter the network.
42
3.5.4 Messages Settings
Message Center: Set the corresponding SMS center number
the network supplier. You must input the correct SMS center
number to use the SMS properly and the number will be
provided by the network supplier. Please enter the country code
before the number.
Validity period: Set the time limit for saving SMS in the network
side. (This function needs network supports.)In option ： 12
hours/A day/A week/The longest period. The default setting is
the longest period permitted by the network.
Location of Saving New SMS: Select “Default” to save in
location set by network. Select “USIM/SIM Card” to save in
USIM/SIM card; select “PC” to save in laptop or desktop PC.
43
3.5.5 Alert settings
You can set “Connection alert, Disconnect alert and Incoming
SMS alert” by yourself. These alerts will sound on the PC side.
The audio file supports MP3、WAV、WMA and MIDI format. If
you select “Mute”, you cannot hear corresponding alert.
3.6 MicroSD card
When you use microSD card in the modem, the system will
display the MicroSD card as a removable disk. You can use it
freely. It is convenient for you to check the contents in your
MicroSD card.
44
3.7 Help
Click “Help” icon, and switch to the help interface. Under the
help topic, you can get the USB Modem information about
function introductions, installation and usage guide, etc.
45
4 FAQ & Answers
When you meet the following problems in service, please refer
to the following answers to solve it. If the problems still exist,
please contact with your suppliers.
Problem
Description
The system can
not run the
installation
program
automatically.
Possible Causes
Problem Solving
The system
configuration is not
suitable for the auto
run.
After the full
installation, the
system doesn’t
install the driver
program properly.
The system
configuration is not
suitable for the auto
run.
After the modem
is plugged in, the
UI program
doesn’t run
automatically.
The system
configuration is not
proper.
Open the visual
disc of the modem
program and start
the autorun.exe.
If you have installed
the other version of
installation program
please uninstall it
firstly.
Please install the
driver program
manually. The
driver program can
be found in the
installation address:
C:\Program
Files\SMART
BRO\drivers
Please open the UI
program manually.
You can find it in
the Windows Quick
start menu or the
shortcut on the
desktop.
46
Problem
Description
After restarted
the computer,
there is no signal.
When the USB
Modem has been
plugged in,
computer cannot
find the visual
disc of the USB
Modem.
Possible Causes
Problem Solving
1. The position of
the USB Modem
inner antenna is
unfitting.
2．You are in the
place where no
GSM/GPRS/
EDGE/WCDMA/HS
DPA
network covered ,
such as
underground
parking lot, tunnel
etc.
1. The installation
programs of the
USB Modem
haven’t been
installed properly.
1．Adjust the angle
and position of the
USB Modem.
2. The modem isn’t
inserted well.
47
2. Change to the
places where there
is good signal.
1. Run the
installation program
first, then insert the
modem. If you use
the WinXP
operating system,
install the drivers
according to the
Windows indication
information to
operate.
2. Restart the
computer, or insert
the modem again.
Problem
Description
Message sent
failed.
Date connection
failed.
Possible Causes
Problem Solving
3. The SIM/USIM
card isn’t inserted
well, such as
inserted in reverse.
3. Insert the
SIM/USIM card
correctly again.
Make sure the
metal contact side
should be inserted
inside
1. After consulted
with service
provider, configure
the right number in
Message settings.
2. Try later.
1. The SMS center
number isn’t
correct.
2. The network is
busy and other
reasons.
1. You are in
the place where no
GSM/GPRS
/EDGE/UMTS/HSD
PA network
covered， such as
underground
parking lot, tunnel
etc.
2. The network at
this time in this
place is busy now.
3. The APN in the
configuration files is
error.
48
1. Change to the
place where there
is good signal.
2. Try later.
3. Check the APN
in the configuration
file in the “ Config
file”.
Problem
Description
Possible Causes
Problem Solving
4. The modem data
is error.
4. It is perhaps the
GPRS or WCDMA
network problem
and please contact
with the local
supplier in time.
5. Select the correct
network type
according to the
type of the
SIM/USIM card.
1. Check that the
APN in the
Configuration files
is correct or not.
5. The network type
selected by manual
is wrong.
Connected to the
Internet, but it
cannot open any
website page.
1. After connection,
there is no data
transfer, which
resulted that you
can not open web
pages.
2. The IE browser
got problems.
49
2. If the IE gets
problems, upgrade
to the new version
or reinstall the IE
browser.
Problem
Description
The Modem
cannot connect to
the Internet in
other places
No warning tone
My MicroSD card
can not read or
not found
Possible Causes
Problem Solving
3. The operating
system is infected
by virus (Such as
Worm Blaster
which can take up a
quantity of upload
data flow and result
that it can’t receive
downloaded data
flow so that you
cannot open any
website.)
4. You have
connected to other
APN. which cannot
connect to the
Internet.
3. Use the
professional
anti-virus software
to check and kill the
virus in the
operating system
completely.
Your USB Modem
is not permitted to
roam in your
network.
No audio card is
fixed in computer or
the volume is too
small.
Check the MicroSD
card capacity, the
maximum
supported capacity
is 2GB
50
4. Consult the shop
or ZTE.
Connect with the
shop or ZTE.
Check the audio
card and adjust the
volume properly.
Use another
MicroSD card with
a maximum
capacity of 2GB

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