Zte ZTE-U X720 User manual

WCDMA Digital Mobile Phone
User Manual
The manual is applicable for ZTE-U X720 mobile phone.

Copyright ©2011 by ZTE Corporation
All rights reserved.
No part of this publication may be quoted, reproduced, translated or used
in any form or by any means, electronic or mechanical, including
photocopying and microfilm, without the prior written permission of ZTE
Corporation.
The Bluetooth®trademark and logos are owned by the Bluetooth SIG, Inc.
and any use of such trademarks by ZTE Corporation is under license.
Other trademarks and trade names are the property of their respective
owners.
ZTE Corporation reserves the right to make modifications on print errors or
updatespecifications in this manual without prior notice.
Version 1.0 in Aug. 2011

Contents
Before Use...............................................................................................................1
Safety Instructions................................................................................................ 1
Precautions for using the mobile phone........................................................ 2
Precautions for using the battery..................................................................5
Precautions for using the charger.................................................................7
Parts Definition.....................................................................................................9
Note: .................................................................................................................. 10
Insert and Remove SIM Card............................................................................. 11
Insert and Remove Memory Card ...................................................................... 12
Battery................................................................................................................13
Install the battery........................................................................................13
Remove the battery....................................................................................13
Charge the battery...................................................................................... 14
Power On/Off ..................................................................................................... 15
Menu Tree..............................................................................................................16

Descriptions of common functions..................................................................... 17
Make and receive calls....................................................................................... 17
Make a Voice call ....................................................................................... 17
Make a Video call....................................................................................... 17
Dial extension............................................................................................. 18
Dial international calls ................................................................................ 18
Receive a call............................................................................................. 18
Adjust the volume....................................................................................... 18
Hands-free ................................................................................................. 19
Call options ................................................................................................ 19
Write messages ................................................................................................. 19
View messages.................................................................................................. 20
Add new entry.................................................................................................... 20
Send and receive Email ..................................................................................... 21
Use the phone as a U disk................................................................................. 22
Main Function list................................................................................................. 23
Input Methods....................................................................................................... 31

Appendix ............................................................................................................... 32
Clearance and Maintenance...............................................................................32
health and safety................................................................................................34
Regulaciones FCC............................................................................................. 36
declaration of RoHS compliance ........................................................................40
disposal of your old phone .................................................................................41
Failure Analysis.................................................................................................. 42

Before Use
1
Before Use
Thank you for choosing ZTE-U X720 WCDMA/GSM Dual-Mode Digital
Mobile Phone (referred to as the “mobile phone” in this manual).
To guarantee your mobile phone is always in its best condition, please read
this manual carefully and keep it for future reference.
The pictures in this user manual are only used to demonstrate the mobile
phone’s functions, so they may be different from what you see on your
mobile phone.
Safety Instructions
If your mobile phone is lost or stolen, notify your service provider
immediately to prevent others from abusing it. To protect your mobile
phone against abuse, take the following precautions:
Set a PIN code and modify it from time to time.
Keep your mobile phone with you at all times.

Before Use
2
Precautions for using the mobile phone
on the road
Using a phone while driving is illegal in many countries. Please follow
local laws and drive safely at all times.
near sensitive electronics
Don’t use your phone near sensitive electronic equipment – particularly
medical devices such as pacemakers – as it could cause them to
malfunction. It can also interfere with the operation of fire detectors and
other automatic-control equipment.
For more information about how your phone affects pacemakers or
other electronic equipment, please contact the manufacturer or your
local distributor.
Your phone may cause interference when used near TVs, radios or
automated office equipment.
while flying

Before Use
3
Your phone can cause interference with aircraft equipment. So it’s
essential you follow airline regulations. And if airline personnel ask you
to switch off your phone, or disable its wireless functions, please do as
they say.
in hospital
Your phone may interfere with the normal operation of medical
equipment. Follow all hospital regulations and turn it off when you’re
asked to by posted warnings or medical staff.
at a petrol station
Don’t use your phone at petrol stations. In fact, it’s always best to switch
off whenever you’re near fuels, chemicals or explosives.
around water
Keep your phone away from water (or any other liquid). It’s not a
waterproof model.
making repairs
Never take your phone apart. Please leave that to the professionals.

Before Use
4
Unauthorised repairs could break the terms of your warranty.
broken antenna
Don’t use your phone if the antenna is damaged, as it could cause
injury.
around children
Keep your mobile out of children’s reach. It should never be used as a
toy and it might not be good for their health.
original accessories
Only use the original accessories supplied with your phone or those
approved by the manufacturer. Using unapproved accessories may
affect performance, make the warranty void, break national regulations
on the use of mobile phones, or even cause injury.
near explosives
Turn off your phone in or near areas where explosive materials are