LG K40 Manuel utilisateur

ENGLISH

www.lg.com

USER GUIDE

MFL71450901 (1.2)

LM-X420MM

About this user guide

Thank you for choosing this LG product. Please carefully read this user

guide before using the device for the first time to ensure safe and proper

use.

• Always use genuine LG accessories. The supplied items are designed

only for this device and may not be compatible with other devices.

• Descriptions are based on the device default settings.

• Default apps on the device are subject to updates, and support for

these apps may be withdrawn without prior notice. If you have any

questions about an app provided with the device, please contact an

LG Service Center. For user-installed apps, please contact the relevant

service provider.

• Modifying the device’s operating system or installing software from

unofficial sources may damage the device and lead to data corruption

or data loss. Such actions will violate your LG license agreement and

void your warranty.

• Some content and illustrations may differ from your device, depending

on the area, service provider, software version, or OS version, and are

subject to change without prior notice.

• Software, audio, wallpaper, images, and other media supplied with

your device are licensed for limited use. If you extract and use these

materials for commercial or other purposes, you may be infringing

media.

• Additional charges may incur for data services, such as messaging,

uploading, downloading, auto-syncing and location services. To avoid

additional charges, select a data plan suitable to your needs. Contact

your service provider to obtain additional details.

• Failure to follow the instructions in this guide and improper use may

damage the device.

Instructional notices

WARNING: Situations that could cause injury to the user and third

parties.

CAUTION: Situations that may cause minor injury or damage to the

device.

NOTE: Notices or additional information.

43 Screen lock

48 Memory card encryption

49 Taking screenshots

50 Entering text

57 Content sharing

59 Do not disturb

Useful Apps

61 Installing and uninstalling apps

62 App trash

63 App Shortcuts

64 Phone

67 Messaging

68 Camera

79 Gallery

85 Chrome

85 QuickMemo+

88 Google apps

90 Contacts

92 Clock

93 Calendar

94 Music

95 Calculator

Table of contents

Custom-designed

Features

6 Camera features

8 Google Assistant

10 Fingerprint recognition

13 Face Recognition

17 Multi-tasking feature

Basic Functions

20 Product components and

accessories

21 Parts overview

24 Turning the power on or off

25 Installing the SIM card

27 Inserting the memory card

28 Removing the memory card

28 Charging the battery

30 Touch screen

33 Home screen

4Table of contents

95 Game Launcher

95 Email

96 Audio Recorder

96 FM Radio

96 File Manager

97 Smart cleaning

97 LG Mobile Switch

98 LG SmartWorld

Settings

100 Settings

100 Network

111 Sound

112 Display

113 General

Appendix

126 LG Language Settings

126 LG Bridge

127 Phone software update

129 Anti-Theft Guide

130 Open Source Software Notice

Information

130 Regulatory information

(FCC ID number, etc.)

131 Trademarks

133 FAQ

For Your Safety

LIMITED WARRANTY

STATEMENT

Custom-designed

Features

Custom-designed Features 6

Camera features

QLens

You can do shopping, search image, or scan QR code by taking a photo

with QLens.

1 Tap , then tap QLens.

2 Select a desired option among Visual Shopping, Visual Search and Scan

QR code.

3 Tap the screen to take a photo of an object you want to search or scan

a QR code.

• The result will appear after a moment.

• This feature is available only when your device is connected to a

network. If you use mobile data, you may be charged for data usage,

depending on your pricing plan.

• For Visual Shopping and Visual Search features, you can select the

desired area from the image that you have taken, and then search it

again.

• This feature is available only when the rear camera is in the Auto mode.

Custom-designed Features 7

Portrait

You can take a sharp portrait by applying the camera lens blur effect.

1 Tap , switch to the front camera, then tap Portrait.

2 When Portrait is available appears on the screen, tap to take a

photo.

• To adjust blur strength, drag the slide bar up, down, left or right

(depending on the orientation of the phone).

• This feature is not available if the surroundings are too dark.

• After applying this feature, touch and hold the the desired position on

the preview screen to automatically apply the exposure value and focus.

In this case, the Portrait feature and blur strength stay the same.

Flash Jump-Cut

You can create a GIF by taking photos at three second interval.

1 Tap , then tap MODE Flash Jump-Cut .

2 Tap to set the number of cuts you want to take.

3 Tap to take photos.

Custom-designed Features 8

Google Assistant

Google Assistant overview

Your device has the built-in Google Assistant feature. Find answers and

get things done while on-the-go. To get started, just press the Google

Assistant key on the side of the device or touch and hold .

• To use this feature, first connect to the network and sign in to your

Google Account.

1 Touch and hold from the Home screen to launch Google Assistant

Press the Google Assistant key on the left side of the device.

2 Tap GET STARTED.

3 Follow the on-screen instructions and say “Ok Google”.

• The device saves your voice data for recognition.

4 Select whether to use the voice recognition unlock feature.

• When this feature is activated, you can unlock the screen by saying

“Ok Google” while the screen is turned off or unlocked.

Custom-designed Features 9

• This feature may be more vulnerable to security than the other screen

locks, such as Knock Code, Pattern, PIN, and Password.

When a similar voice or your recorded voice is used, the screen may be

unlocked.

• To use this feature, tap Settings General Lock screen &

security Secure lock settings Smart Lock, and then use the

screen lock method you set to unlock the device. Tap Voice Match,

then tap Unlock with Voice Match , then enter the currently used

unlock method again. Note that Swipe is excluded.

• You need to unlock the device by using the specified method if you fail

to unlock the device with voice recognition. See

Setting a screen lock

for details.

5 Tap Save.

Launching Google Assistant

1 Touch and hold on the Home screen.

Press the Google Assistant key on the left side of the device.

Say “Ok Google” when the screen is turned off or locked.

2 Say a command or question when you see on the bottom of the

screen.

• Voice recognition accuracy may decrease if you speak with an unclear

voice or in a noisy place. When you use the voice recognition feature,

increase its accuracy by speaking with a clear voice in a quiet place.

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