How it Works
ZTE
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NX521J
User Manual
80 pgs687.84 Kb0
Table of contents
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ZTE NX521J User Manual

Android Mobile Phone
User Manual
The manual is applicable for the NX521J
.
Content
Copyrights ......................................................................................................... 1
Trademarks ....................................................................................................... 2
Statement of Third-party Applications .............................................................. 3
Definition of Keys .............................................................................................. 3
Icons on the Status Bar ..................................................................................... 5
Screen Control .................................................................................................. 6
Home Screen .................................................................................................... 6
Lock & Unlock the Screen................................................................................. 9
Make a call ...................................................................................................... 11
Call Settings .................................................................................................... 13
Answer a call ................................................................................................... 13
Reject a call ..................................................................................................... 14
End a call ........................................................................................................ 14
Options during a call ....................................................................................... 15
Call Log ........................................................................................................... 16
Voicemail ......................................................................................................... 16
Create new contact ......................................................................................... 17
Search contacts .............................................................................................. 17
Add to Favorites .............................................................................................. 18
Contacts group ................................................................................................ 18
Delete a contact .............................................................................................. 19
Edit a contact .................................................................................................. 19
Scan business card ......................................................................................... 20
Share a contact ............................................................................................... 20
Import & export contacts ................................................................................. 20
Send messages .............................................................................................. 21
Receive messages .......................................................................................... 22
Delete messages ............................................................................................ 22
Message settings ............................................................................................ 23
Set up Email account ...................................................................................... 23
Check Emails .................................................................................................. 23
Send an Email ................................................................................................. 24
Data connection .............................................................................................. 25
Wi-Fi ................................................................................................................ 26
Tethering & portable hotspot .......................................................................... 27
Browser ........................................................................................................... 28
Bluetooth connection ...................................................................................... 29
MTP media device .......................................................................................... 33
PTP camera device ......................................................................................... 33
Wireless & Networks ....................................................................................... 34
Personal .......................................................................................................... 35
Syst em ............................................................................................................ 38
Camera............................................................................................................ 39
Video recorder................................................................................................. 45
Music player .................................................................................................... 46
Video player .................................................................................................... 48
Gallery ............................................................................................................. 49
Flashlight ......................................................................................................... 50
Sound recorder ............................................................................................... 51
Calculator ........................................................................................................ 52
FM Radio ......................................................................................................... 52
NotePad .......................................................................................................... 53
Calendar .......................................................................................................... 53
Profile .............................................................................................................. 55
Screen division ................................................................................................ 57
Custom bottom key ......................................................................................... 59
Touch gestures ............................................................................................... 59
Smart sensing ................................................................................................. 60
My Files ........................................................................................................... 62
Backup ............................................................................................................ 62
Screen projection ............................................................................................ 63
FCC Regulations: ............................................................................................ 70

About the User Manual

Copyrights

Copyright © 2015 by Nubia Technology Co., Ltd.
All the copyrights of the user manual herein belong to Nubia Technology Co., Ltd.
Without the written permission of copyright owner, no part of this publication may
be excerpted, reproduced, translated by any person or entity in an y form or by any
means.
Nubia Technology Co., Ltd. reserves the right to modify technical parameters and
specifications in this manual, and promptly correct the contents in the manual that
are inconsistent with the latest documents. All modifications shall be compiled in a
new version of user manual without prior notice.
Nubia Technology Co., Ltd. keeps the right to make the final explanation to this
manual.
1
And don’t worry if the pictures we use to demonstrate your phone’s functions look a
little different from what you see on its screen. It’s the functions they show that
matter.
If the contents described in the user manual are consistent with the actual product
due to upgrade, please subject to the information subsequently released by the
company.
Android is a trademark of Google, Inc.

Trademarks

For DTS patents, see http://patents.dts.com. Manufactured under
license from DTS Licensing Limited.
DTS, the Symbol and DTS + the Symbol together are registered trademarks of DT
S, Inc., and DTS Sound is a trademark of DTS, Inc. © DTS, Inc. All Rights
Reserved.
All other trademarks remain the property of their respective owners.
2

Statement of Third-party Applications

During the installation process of some third-party applications, the issues of
repeated restart or abnormal use of software might be caused by incompatibility of
the third-party applications, rather than the phone itself.
The installation of a third-party ROM or non-official operating system might bring
security risk and security threats. Nubia Technology Co., Ltd. shall not be liable for
the security threats brought by upgrade of the operating system.

Basic Operations

Definition of Keys

Power/Reboot/Lock key
Press & hold: turn on the phone; open the Phone options menu.
Press & hold more than 10 seconds: reboot the phone.
Press: turn off and lock the screen, or wake up the screen.
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Home key
Press the key to return to the home screen from any other interface.
Press & hold the key to open the list of most recently used applications.
Menu key
Press the key to open the tools menu of current interface.
After Free Screenshot is enabled, press & hold the key to enter the Free Screenshot mode.
Back key
Press the key to return to the previous menu.
Volume key
Press the key to adjust the volume. Press & hold the upper key to adjust to
maximum volume, and press & hold the lower key to adjust to Vibrati on.
4

Icons on the Status Bar

Vibrate on call
Icon
Mute on call
Sleep mode enabled
Flight mode enabled
Connected to Wi-Fi
Call forwarding enabled
Description Icon Description
Battery full
In a call
Missed calls
Music player On
In charging
New E-mail
Unread messages
Silence mode enabled
Vibration mode enabled
Bluetooth On
Alarm On
Wi-Fi hotspots enabled
SIM/UIM card unavailable
GPS enabled
Headset inserted
5

Screen Control

You can control your phone through a series of operations on the screen.
- Touch: select an item or option on the screen, or open an application.
- Slide: swipe left/right or up/down on the screen to move through what’s on the
screen.
- Press & hold: press your finger down and leave it there for a few seconds to open
a menu specific to what you're doing.
- Drag: drag some items on the screen to accomplish certain operations.
- Pinch or stretch: in some applications (e.g., Gallery, Browser), pinch two fingers
together on the screen or stretch them apart to zoom out or in.
- Rotate: in most screens, rotate your phone sideways to switch the screen from
portrait mode to landscape mode.

Home Screen

The home screen appears as the phone is in idle mode. On the home screen, you
can check the status of your phone and get access to applications.
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Extend home screen
The home screen can be extended to exceed the width of the screen to provide
more space for newly added applications, shortcuts, widgets, etc.
Slide left/right on the home screen to move to the left or right side of the home
screen.
Touch the small dot at the lower part of the screen to directly move to the relevant
screen. Press & hold the small dot area and drag to quickly navigate.
Quick Launch To ol bar
There are icons at the bottom of the screen. You can move the applications or
shortcuts that you need access most frequently into the quick launch toolbar.
1. Press & hold an icon at the toolbar and drag it to the area outside the toolbar.
2. Press & hold another icon on the screen you want to move, and then drag it to
an empty area inside the toolbar.
Show/hide notification bar
As a new notification icon appears in the notification bar, you can pull down the
notification bar to view the list of notifications, and touch a notification to perform
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detailed operation.
Swipe up from any place on the screen to hide the notification bar.
Move icons on home screen
To move an icon on the home screen, press & hold the icon you want to move,
drag it to your desired position on the screen and release it. Drag the icon to the
navigation bar to quickly switch to other screen.
Press & hold the icon you want to move and release it, the icon shall jump to the
bottom of the screen; slide left or right to the target screen, and touch the icon at
the bottom of the screen to jump to the target screen.
Delete icons on home screen
To uninstall an application or remove a widget, press & hold the Application or
Widget icon and drag it to the Remove/Uninstall icon at the top of the screen.
Note:
The preinstalled s ystem applications cannot be removed.
Add or move screen on home screen
Press and hold an empty area on the home screen to add more screens. Slide
from left to right to view the newly added screen.
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Touch the icon to continue adding more screens; Press and hold the
icon until it has changed to , touch the icon to remove the newly
added screen. Touch the icon to set the current screen as Home screen.
Change desktop wallpaper
On the home screen, press ‘Menu key’> ‘Wallpapers’ to choose a wallpaper.
Use shortcuts panel
On the home screen or in the process of using an application, pull down the
notification bar to open the shortcuts panel. Touch the shortcuts icons to perform
relevant settings.
Create a folder and add items into the folder
1. On the home screen, press & hold an icon and drag it to another icon on the
screen to create a folder containing these two icons.
2. Press & hold other icons and drag them to the folder to add items into the folder.

Lock & Unlock the Screen

Lock the screen
As the phone is powered on, press the ‘Power’ key to lock the screen. The phone
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shall automatically lock the screen after it’s not used for a while.
Lockscreen photo
As the screen is locked, press the ‘P ower’ key to light up the screen.
Show Music widget
As the screen is locked, press the ‘P ower’ key to light up the screen, and double
touch the'Home' key to display music widget.
Unlock the screen
1. Press the ‘Power’ key to light up the screen.
2. Swipe up from the bottom of the screen to the icon ‘Unlock’ to unlock the screen;
slide left to the icon ‘Phone’ to enter the dialing interface, and slide right to the
icon ‘Camera’ to directly enter the camera interface.
Change screen lock met hod
1. On the home screen, press ‘Menu’ key> ‘Settings’> ‘Security & location ’ >
‘Screen lock’.
2. Choose the screen lock method.
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Calls

Make a call

Directly make a call

On the home screen, touch the icon ‘Phone’ to display the dialing keypad. Touch
the numeric buttons to input telephone numbers and touch the button
to make a call.
You can touch the first letter of a contact’s name on the dialing keypad to quickly
search the contact. For example, if you want to call John , input
5(JKL)-6(MNO)-4(GHI)-6(MNO).
If you have inserted two SIM cards, touch the numeric buttons to enter a phone
number and touch the icon or to make a call.

Make a call from contacts

On the home screen, touch the icon ‘Contacts’, select the contact you want to call
and touch the button to make a call.
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Make a call from call logs

On the home screen, touch the icon ‘
make a call.
Phone’, select one call l og and touch it to

Make an international call

On the home screen, touch the icon ‘
hold ‘0’ key until “+” appears on the screen, and then dial the country/region code,
city code & phone number.

Make a call from messaging

Phone’ to display the dialing keypad, press &
1. On the home screen, touch the icon ‘Messaging’ to open the messaging
interface.
2. Touch one message to open it.
3. Touch the icon to view the details of the message sender and touch the
button to make a call.
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Speed dial

On the dialing keypad, press & hold 2-9 key to quickly call the corresponding
contact.
Please perform settings according to the prompt on the screen.

Call Settings

1. On the home screen, touch the icon ‘Phone’ to display the dialing keypad.
2. Select ‘More’ > ‘Call settings’ to set the options during a call. In ‘More settings’
menu, you can set Fixed Dialing Numbers, Call Forwarding and Call Waiting.

Answer a call

The mobile phone shall ring or vibrate (depends on the current mode and settings)
upon an incoming call.
- If the screen is unlocked, touch the icon ‘Answer’ to answer the call on the
incoming call interface.
- If the screen is locked, drag the icon and swipe down to answer the call on
the incoming call interface.
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- If you’ve activated ‘Motion Answer’, you can put the phone near your ears to
directly answer the call.

Reject a call

Screen unlocked
On the incoming call interface, touch the icon ‘Decline’ to reject the call.
If you want to politely reject the call, you can touch the icon ‘Send SMS’ to
send a text message.

Screen locked

On the incoming call interface, drag the icon and swipe down to reject the
call.
If you want to send a text message while rejecting a call, swipe up from the bottom
of the screen to select a text message or edit a message.

End a call

During a call, touch the icon ‘End’ to end a call.
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Options during a call

Adjust the volume
During a call, press the volume key to adjust the volume.
Dialpad
During a call, touch the icon ‘Dialpad’ to display the dialing keypad for easy
operations.
Speaker
During a call, touch the icon ‘Speaker’ to enter the hands-free mode and touch the
icon again to resume.
Mute
Touch the icon ‘Mute’ to turn off the microphone and let the other party unable to
hear your voice; touch the icon again to resume.
Add call
During a call, select ‘More’ > ‘Add call’ to make a conference call. The function
requires the support from the network operator.
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Record
During a call, select ‘More’ > ‘Record’.

Call Log

1. On the home screen, touch the icon ‘Phone’.
2. The call log is displayed on the screen. If you want to clear call logs, select
‘More’ > ‘Clear call log’.

Voicemail

Note:
Prior to access to voicemail server, you must save voicemail server number.
Please contact your network operator to get the number.
Set voicemail
1. On the home screen, touch the icon ‘Phone’ to display the dialing keypad.
2. Select ‘More’ > ‘Call settings’ >‘More settings’ > ‘Voicemail’ > ‘Setup’.
3. Touch ‘Voicemail number’ to set.
Listen to voicemail
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On the home screen, touch the icon ‘Phone’ to display the dialing keypad and
press & hold ‘1’ key to listen to voicemail.

Contacts

Create new contact

1. On the home screen, touch the ‘Contacts’ icon and select ‘New contact’.
2. Enter the information for the new contact.
3. Select the storage location under ‘SAVE TO’.
4. Touch ‘Done’ to save.

Search contacts

After you enter ‘Contacts’, all contacts will be arranged in alphabetical order.
1. Swipe up/down to scroll the list of contacts. You can also quickly scroll the
list by dragging your fingers along the right index.
2. Touch ‘Find contacts’ at the top of the screen, and input a contact’s name
to quickly find the contact.
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