Huawei LUA-U23 User manual

1
Your phone at a glance
Before you start, let's take a look at your new phone.
Press and hold the power button to turn your phone on or off.
To forcibly restart your phone, press and hold the power
button until your phone vibrates.

2
Getting started
Follow the instruct ions in the following f igures to install your
micro-SIM card, microSD card, and battery. Before you insert or
remove the micro-SIM card, power off your phone.

3

4
Locking and unlocking the screen
Press the power button to lock
the screen. If your phone is idle
for a specified period of time,
the screen will automatically
lock itself.
If the screen is off, press the
power button to turn it on.
Slide your finger in any
direct ion to unlock the screen.
Flick up from the bottom of
the screen to quickly launch
commonly used applicat ions
without unlocking the screen.

5
Calling and messaging
Touch to make a call
using the dialer.You can also
touch a phone number in your
contacts, or a number in a
message, email, web page, or
other source to place a call.
Touch to send a text or
multimedia message. You can
save photos, audio clips,
videos, and other
attachments from received
multimedia messages.

6
Camera
Touch .
Frame the scene you want to
capture. Let your camera focus
automatically or touch the
screen to focus on a specific
object. Then touch to
take a photo.
Swipe left or right to switch
between different capture
modes. Time-lapse mode lets
you record the slow
transformation of objects or
scenes, such as a blooming
flower or the sett ing sun.

7
Internet connection
You can access the Internet
over Wi-Fi or a mobile data
network.
Swipe down from the status
bar to open the not ification
panel.
Touch to turn on
mobile data.
Touch and hold to go
to the Wi-Fi settings screen.
Turn on Wi-Fi and connect to
a Wi-Fi network.

8
Backing up data
Touch .
Touch to open the
settings menu.You can set how
often you want to back up your
data by following the onscreen
instructions.
Touch and select the
data that you want to back up,
such as your contacts,
messages, and photos. Then
follow the onscreen
instructions to complete the
backup.

9
Phone manager
Touch .
You can quickly scan your
phone for potent ial risks with
one touch. Follow the onscreen
instructions to use one-touch
optimization, or manually
clean the system storage and
manage your applicat ions.
Touch the options on the
screen to clean your system
trash, set the harassment
filter, act ivate power saving
mode, manage your
applications' notification
permissions, and more.

10
Personal information and data
security
The use of some functions or third-party applications on your
device could result in your personal information and data being
lost or becoming accessible to others. Several measures are
recommended to help you protect personal and confidential
information.

Place your device in a safe area to prevent it from
unauthorized use.

Set your device screen to lock and create a password or
unlock pattern to open it.

Periodically back up personal informat ion kept on your
SIM/USIM card, memory card, or stored in your device
memory. If you change to a different device, be sure to
move or delete any personal information on your old device.

If you are worried about viruses when you receive messages
or emails from a stranger, you can delete them without
opening them.

If you use your device to browse the Internet, avoid websites
that might pose a security risk to avoid theft of your
personal informat ion.

If you use services such as Wi-Fi tether or Bluetooth, set
passwords for these services to prevent unauthorized access.
When these services are not in use, turn them off.

Install or upgrade device security software and regularly
scan for viruses.

Be sure to obtain third-party applicat ions from a legit imate
source. Downloaded third-party applications should be
scanned for viruses.

Install security software or patches released by Huawei or
third-party applicat ion providers.

Some applications require and transmit location
information. As a result, a third-party may be able to share
your location information.