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.
Radio Frequency (RF) Energy ............................................................................................ 39
Confidential and Proprietary Information of ZTE CORPORATION 1
C h a p t e r 1
Getting Started
Notes:In this User Manual, “press a key” means to press the key and release it, while “hold a key”
means to press the key for at least two seconds and then release it.
Removing the Back Cover
1. Hold the Power/End key to turn off the phone.
2. Lift the bottom of the back cover from the notch and remove the back cover as shown below.
Battery
Installing the Battery
Notes:
• The phone automatically turns off if the battery power is too low.
• If you are not going to use the battery for a long time, remove it from the phone and store it in a cool dry
place.
1. Hold the Power/End key to turn off the phone.
2. Remove the back cover of your phone.
3. Carefully insert the battery with the contacts located against the metal springs.
4. Push down the battery until it clicks into place.
Z331 User Manual
2 Confidential and Proprietary Information of ZTE CORPORATION
5.Replace the cover on the back of the phone.
Caution:
• Make sure the cover is lined up before pressing it into place. Do not force it. Doing so will damage the
back cover.
Removing the Battery
1. Hold the Power/End key to turn off the phone.
2. Remove the back cover of your phone.
3. Lift the end of the battery near the bottom of the phone to remove it.
SIM and Memory Cards
Inserting the SIM (Subscriber Identification Module) Card
You can obtain a SIM card from your service provider when you sign on as a subscriber.
Caution:
• Do not bend or scratch your SIM card. Keep the card away from electricity and magnetism.
• Don‟t touch the metal surface of the SIM card. Doing so could cause information on the card to be lost
or destroyed.
• Disconnect the charger and other accessories from your phone and remove the battery before inserting
and removing your SIM card.
1. Hold the Power/End key to turn off the phone.
2. Remove the back cover of your phone.
3. Hold the SIM card with the metal contacts facing downward and the cut corner at the upper right.
Insert the card into the card holder and push it until it clicks into position.
4. Replace the cover on the back of your phone.
Z331 User Manual
Confidential and Proprietary Information of ZTE CORPORATION 3
Removing the SIM Card
1. Hold the Power/End key to turn off the phone.
2. Remove the back cover of your phone.
3. Gently remove the SIM card from the card holder.
Inserting the Memory Card
The memory card gives your phone a very large memory capacity. This allows you to save multimedia
data, including images, photos, MP3 audio fi les, and ringtones. You can also use this memory card to
store other files.
Tips:
• Your phone can support a memory card with the capacity up to 8 GB.
1. Hold the Power/End Key to power off the phone.
2. Remove the back cover and battery.
3. Push the cover of the memory card slot with designated direction and lift it up.
4. Carefully place the memory card into the memory card slot and lock the cover as shown below.
5. Reinsert the battery, replace the back cover, and turn the phone on.
• Only use approved memory cards for this device. Any use of unapproved memory cards might cause
Removing the Memory Card
1. Hold the Power/End Key to power off the phone.
2. Remove the back cover and battery.
3. Push with the designated direction and lift the cover of the memory card slot.
Caution:
loss of data or damage to your phone.
Z331 User Manual
4 Confidential and Proprietary Information of ZTE CORPORATION
4. Carefully remove the memory card.
Charging Your Phone
Your phone uses a rechargeable battery. When you first unpack the phone, the battery is not fully charged,
but there might be enough power to turn on the phone. You can use the provided charger to charge the
phone battery.
1. Open the USB port cover.
2. Insert the charger‟s USB adapter into the USB port.
3. Plug the charger into a standard AC wall outlet.
4.When the battery is fully charged, unplug the charger and disconnect it from the phone.
Notes:
• The phone automatically switches off if the battery power is too low.
• Make sure the charger‟s connector is inserted correctly. Do not force the connector into the port.
• The battery will remain fully charged for 3 to 4 hours.
• Only use the charger provided by the original provider. Using an unapproved charger might be
dangerous and violate the authorization and warranty rules of the phone.
• If the phone is used too often when the battery is low or not used for a long time, the screen may not
display the charge indicator until the battery has been continuously charged for 10 to 40 minutes.
• To get the maximum performance out of your battery, it is recommended that you completely charge
the battery before using the phone for the first time. A new battery‟s full performance is only reached after
three complete charge and discharge cycles have been finished.
• Charging is only possible within a temperature range of 32°F to 113°F.
Powering Phone On/Off
Notes:
• Do not turn your phone on in areas in which wireless phone use is not permitted, or when it could
cause interference or danger.
Hold the Power/End Key to turn your phone on or off.
Z331 User Manual
Confidential and Proprietary Information of ZTE CORPORATION 5
Earpiece
Internal Display
4-Way Navigation Key
OK Key
Left Soft Key
Right Soft Key
Send Key
End Key
Clear&Back Key
Task Key
Speaker Key
* Key
# Key
Microphone
Back Cover
Speaker
Tips:
•When prompted, enter your PIN (Personal Identification Number) code or handset code and press the
OK Key.
•The PIN code is the password provided by your network service provider. You cannot use the SIM
card without it.
• When the PIN code or handset code is accepted, the phone automatically searches for the network.
After a few seconds, your phone displays idle mode.
Getting to Know Your Phone
Z331 User Manual
6 Confidential and Proprietary Information of ZTE CORPORATION
Camera Key
Volume Key
Camera Lens
External
Display
Charger/USB
Port
Key
Description
OK Key
From idle mode, press to open att.net. In lists and menus: Press to start an
application/function.
4-Way
Navigation
Key
From idle mode: Used to activate preset functions. In lists, messages, and menus: Used
to scroll up, down, left, and right.
Left Soft
Key/ Right
Soft Key
The bottom line of the display shows the options that can be selected using the Left and
Right Soft Keys. The options change depending on the application/function being used.
Send Key
Press to dial or answer calls. From idle mode: Press to show a list of all calls.
Power/End
Key
Hold to turn the phone on/off. Press to end a call. Press to reject an incoming call. Press
to cancel dialing. Press to return to idle mode.
Volume
key
Adjust the volume of the phone.
Camera
Key
Press to activate multitask manager.
Task Key
Shortcut to start Task Manager application in all scenarios.
Speaker
Key
Press to open the speaker while calling.
Clear &
Back Key
Press to delete the character on the left of the cursor when entering text or numbers.
Hold to delete all characters during text entry. Press to return to the previous page when
navigating menus or browsing the internet.
Number
Keys
Press the number keys to enter a phone number.
* Key
Press to enter *. From idle mode, hold to lock the keypad. In an editing screen: Press to
enter punctuation and symbols.
# Key
Press to enter #. In an editing screen: Press to change the input method. From idle mode:
Hold to activate meeting mode with vibration.
Key Functions
Z331 User Manual
Confidential and Proprietary Information of ZTE CORPORATION 7
Indicators and Icons area
Time and Date area
Text and Graphics area
Soft key function indicators
Idle Mode
Indicator
What it means
Signal strength
3G network
EDGE network
GSM network
New SMS
New MMS
New Email
New voicemail
Mute and vibrate
Headset mode
After powering on the phone, when the name of the network is displayed on the screen, the phone is in
idle mode and ready for use. The display has 4 areas:
Indicators and Icons
Z331 User Manual
8 Confidential and Proprietary Information of ZTE CORPORATION
GPRS attach (blue and red)
Bluetooth on
All calls divert
Battery status
Missed call
Roaming
HSDPA mode
The message memory is full
Vibrate and ringing
Headset and vibrate mode
GPRS in use (orange and purple)
Alarm
Main Menu
From idle screen, press the Right Soft Key for Menu to access the main menu.
Z331 User Manual
Confidential and Proprietary Information of ZTE CORPORATION 9
Icon
What it
means
Description
AT&T
GPS
Contains GPS applications like AT&T Navigator
Messaging
Send and read SMS or MMS messages
Email &
IM
Mobile email and Instant Messaging
Mobile
Web
Access the web with att.net
App
Center
Online App store
YPMobile
Yellow pages
AT&T
Music
Mobile music experience
Address
Book
Add and edit contacts
Z331 User Manual
10 Confidential and Proprietary Information of ZTE CORPORATION
Social Net
Access social networks like Facebook, Myspace, and more
My Stuff
Contains applications and tools such as Alarm, Calendar, and more
Online
Locker
Access online storage for AT&T Mobile Share
Settings
Set up and personalize your phone
Loading...
+ 30 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.