Zte Obsidian Original instructions

User Manual and Safety Information

1
ZTE Z820
User Manual and
Safety information

2
About This Manual
LEGAL INFORMATION
Copyright © 2014 ZTE CORPORATION
All rights reserved.
Approved Firmware Versions: 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.
ZTE Corporation reserves the right to correct typographical errors, misprints or update
specifications in this guide without prior notice.
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.
Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are
trademarks of Dolby Laboratories.
We offer self-service for our smart terminal device users. Please visit ZTE official website (at
www.ztedevice.com) for more information on self-service and supported product models.
Information subject to the website.
Version No.: R1.0
Edition Time: April, 2015
Manual No.: 081704100386

Contents
3
About This Manual...................................................................................... 2
Getting Started.............................................................................................7
Getting to Know Your Phone ....................................................................................... 7
Knowing the Keys ....................................................................................................... 9
Installing the micro-SIM Card ...................................................................................... 9
Installing the micro SDHC™ Card ..............................................................................11
Charging the Battery ................................................................................................. 12
Extending the Battery Life ......................................................................................... 12
Restarting the Phone ................................................................................................ 13
Setting Up for the First Time...................................................................................... 13
Powering On/Off ....................................................................................................... 13
Locking/Unlocking the Screen and Keys.................................................................... 13
Using the Touch Screen ............................................................................................ 13
Getting to Know the Home Screen ............................................................................ 14
Personalizing .............................................................................................15
Changing the System Language ............................................................................... 15
Setting the Date and Time......................................................................................... 15
Changing Ringtone and Notification Sound ............................................................... 15
Turning On/Off Touch Sounds ................................................................................... 15
Adjusting Volumes..................................................................................................... 15
Switching to Silent Mode ........................................................................................... 16
Applying New Wallpapers.......................................................................................... 16
Changing Screen Brightness..................................................................................... 16
Protecting Your Phone With Screen Locks................................................................. 17
Knowing the Basics...................................................................................18
Monitoring the Phone Status ..................................................................................... 18
Managing Notifications .............................................................................................. 18

4
Notification Icons .......................................................................................................18
Managing Shortcuts and Widgets...............................................................................20
Organizing With Folders ............................................................................................21
Rearranging the Favorites Tray..................................................................................21
Entering Text .............................................................................................................22
Editing Text................................................................................................................23
Opening and Switching apps .....................................................................................23
Connecting to Networks and Devices..................................................... 24
Connecting to Mobile Networks..................................................................................24
Connecting to Wi-Fi®.................................................................................................25
Connecting to Bluetooth®Devices..............................................................................27
Connecting to Your Computer via USB.......................................................................28
Sharing Your Mobile Data Connection........................................................................29
Connecting to Virtual Private Networks ......................................................................31
Phone Calls ............................................................................................... 32
Placing and Ending Calls ...........................................................................................32
Answering or Rejecting Calls .....................................................................................32
Working With the Call Log..........................................................................................33
Calling Your Contacts ................................................................................................34
Checking Voicemail ...................................................................................................34
Using Options During a Call.......................................................................................34
Managing Multi-party Calls.........................................................................................35
Adjusting Your Call Settings .......................................................................................36
Contacts .................................................................................................... 37
Checking Contact Details...........................................................................................37
Adding a New Contact ...............................................................................................37
Importing, Exporting, and Sharing Contacts ...............................................................38
Working With Groups.................................................................................................39
Searching for a Contact .............................................................................................40
Editing Contacts ........................................................................................................40

5
Accounts ....................................................................................................41
Adding or Removing Accounts................................................................................... 41
Email ...........................................................................................................41
Set Up the First Email Account .................................................................................. 42
Checking Your Emails ............................................................................................... 42
Responding to an Email ............................................................................................ 42
Writing and Sending an Email ................................................................................... 43
Adding Signature to Your Emails ............................................................................... 43
Adding and Editing Email Accounts ........................................................................... 43
Changing General Email Settings.............................................................................. 44
Messaging ..................................................................................................45
Opening the Messaging Screen ................................................................................ 45
Sending a Text Message ........................................................................................... 45
Sending a Multimedia Message................................................................................. 45
Replying to a Message.............................................................................................. 46
Forwarding a Message.............................................................................................. 46
Deleting Messages or Threads.................................................................................. 46
Changing Messaging Settings ................................................................................... 47
Calendar .....................................................................................................48
Viewing Your Calendars and Events.......................................................................... 48
Creating an Event ..................................................................................................... 49
Changing Calendar Settings...................................................................................... 49
Camera .......................................................................................................49
Capturing a Photo ..................................................................................................... 50
Recording a Video..................................................................................................... 50
Customizing Camcorder Settings .............................................................................. 51
Gallery ........................................................................................................51
Opening Gallery ........................................................................................................ 51
Working With Albums ................................................................................................ 51

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Working With Pictures................................................................................................52
Sound Recorder ........................................................................................ 53
Recording a Voice Memo...........................................................................................53
Playing a Voice Memo ...............................................................................................53
More Apps ................................................................................................. 54
File Manager .............................................................................................................54
Calculator ..................................................................................................................54
Clock .........................................................................................................................54
Downloads.................................................................................................................55
Settings...................................................................................................... 55
Wireless & Networks..................................................................................................55
Device .......................................................................................................................56
Personal....................................................................................................................57
Accounts ...................................................................................................................58
System ......................................................................................................................59
Troubleshooting........................................................................................ 60
For Your Safety ......................................................................................... 63
General Safety...........................................................................................................63
Distraction .................................................................................................................64
Product Handling .......................................................................................................64
Electrical Safety.........................................................................................................67
Radio Frequency Interference....................................................................................67
Explosive Environments.............................................................................................69
Radio Frequency (RF) Exposure................................................................................69
FCC Compliance .......................................................................................................70
Hearing Aid Compatibility (HAC) regulations for Mobile phones …………………… ……71
CTIA Requirements ...................................................................................................72

7
Getting Started
Getting to Know Your Phone
Proximity & light
sensor
Indicator light Sensor
Front camera
Volume key
Charger
/micro-USB Interface
Power key sensor
Menu key
Home key
Back key sensor

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Back camera
Vice microphone
Flash
Speaker
Headset interface
Microphone

9
Knowing the Keys
Key Function
Power Key
Home Key
Menu Key
Back Key
Touch to go to the previous screen.
Volume Keys
Press or hold to turn the volume up or down.
Installing the micro-SIM Card
1. Remove the back cover of the phone.
●Press and hold to turn on your phone.
●Press and hold to power off your phone.
●Press to switch your phone to sleep mode.
●Press to wake up your phone.
●Touch to return to the Home Screen from any application or screen.
●Touch to get the options for the current screen: Wallpaper, Manage
apps, System settings.
●Long press and hold to see recently used applications.
Switch off your phone before installing and removing the micro-SIM card.