LG X420EM Users manual

USER GUIDE

LM-X420EM

ENGLISH

MFLXXXXXXXX (1.0) www.lg.com

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these apps may be withdrawn without prior notice.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 copyright laws. As a user, you are fully responsible for the illegal use of 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.

Instructional notices

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

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

NOTE: Notices or additional information.

parties.

device.

Table of contents

Custom-designed Features

6 Camera features

6 Gallery features

9 Google Assistant

10 Multi-tasking feature

Basic Functions

13 Product components and

accessories

14 Parts overview

17 Turning the power on or off

18 Inserting the memory card

19 Removing the memory card

20 Charging the battery

21 Optimizing battery life

22 Touch screen

25 Home screen

34 Screen lock

37 Memory card encryption

38 Taking screenshots

39 Entering text

45 Do not disturb

Useful Apps

47 Installing and uninstalling apps

48 App trash

49 App Shortcuts

50 Phone

55 Messages

56 Camera

65 Gallery

68 Chrome

69 Google apps

71 Contacts

73 QuickMemo+

75 Clock

77 Calendar

77 Tasks

78 Music

79 Calculator

79 Email

79 FM Radio

80 File Manager

80 Smart cleaning

80 Downloads

Settings

82 Settings

82 Network & internet

89 Connected devices

91 Sound

92 Display

93 Lock screen & security

94 Extensions

95 Apps & notifications

96 Battery

96 Storage

97 Accounts

97 Accessibility

99 Google

99 System

Appendix

103 LG Language Settings

103 Phone software update

105 Anti-Theft Guide

106 Open Source Software Notice

Information

106 Regulatory information

(FCC ID number, etc.)

106 Trademarks

107 FAQ

For Your Safety

LIMITED WARRANTY USA

4Table of contents

Custom-designed Features

Camera features

Flash Jump-Cut

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

Tap , then tap MODE Flash Jump-Cut .

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

Tap to take photos.

Gallery features

Creating a movie

You can create a new movie by putting images and videos together.

Tap , select an album, then tap Create movie.

Select images or videos for your movie and tap NEXT.

Edit the selected images and videos and then tap SAVE.

Custom-designed Features 6

Deleting files

You can select images or videos to delete from your video by tapping at the top right corner of its thumbnail.

Adding files

You can select images or videos to add after tapping at the bottom of the screen. You can also select the images or videos you have already previously added.

• Touch and hold a file, and then tap another file for multiple selection.

Rearranging files

To rearrange the images and videos, touch and hold the file you want to move, then dragging it to the desired location.

Adding file effects

Tap to add a theme or background music, or change the font.

Resetting the movie edits

You can reset the edits made to the movie (e.g. play time) by tapping .

Previewing a file

Check your new video before saving it by tapping . After the playback time elapses, the next file is played automatically.

• A maximum of 50 images and videos can be used to create a video.

• The playback time for an image is 3 seconds by default and it cannot be

changed. Videos can be trimmed down to a minimum of 1 second.

• This feature may not support some image or video formats.

Custom-designed Features 7

Making a GIF

You can easily make a GIF file using recorded video.

At the desired starting point while watching a video, tap .

Select the length of the GIF you want to create.

• GIF is generated for the time selected from the current time.

• For videos less than 5 seconds, GIF images are automatically

generated for the remaining time.

• You may use this feature solely for creative purposes. The use of this

feature involving infringement of any other person’s rights, such as copyright or defamatory or offensive statements, may be subject to civil, criminal, or administrative liabilities and/or penalties under applicable laws. You shall not copy, reproduce, distribute, or otherwise make illegal use of any copyrighted materials without permission of the rightful owner or copyright holder. To the fullest extent permitted by applicable law, LG Electronics disclaims all expressed and implied warranties as well as liabilities associated thereto.

Custom-designed Features 8

Google Assistant

You can manage tasks, plan your day, get answers, and much more.

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

Google account.

Launching Google Assistant

Press and hold from the Home screen to launch Google Assistant.

Tap GET STARTED.

Follow the on-screen instructions to configure the voice settings.

• The device saves your voice data for recognition.

Launching Google Assistant with your voice

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

Say a command or question when

the screen.

Launching Google Assistant from the Home screen

Touch and hold from the Home screen.

Say a command or question when

the screen.

Hi, how can I help?*

appears on

• 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.

* The

Hi, how can I help?

software version.

Custom-designed Features 9

message may change depending on the

Multi-tasking feature

Multi-Window

You can use two apps at the same time by separating the screen into multiple windows.

Tap from the Home touch buttons.

• Recently-used apps appear.

Tap at the top of the desired app to use the Multi-Window feature.

• The selected app appears at the top half of the screen.

You can also access this feature by doing the following:

Touch and hold while using an app.

• Recently-used apps appear on the split screen.

Tap at the top of the desired app to use the Multi-Window feature.

• The selected app appears at the bottom of the screen.

Custom-designed Features 10

• To deactivate the Multi-Window feature, touch and hold on the

Home touch button.

• To adjust the size of the split screen, drag

screen.

• The Multi-Window feature is not supported by some LG apps and apps

downloaded from the Play Store.

at the center of the

Overview screen

The Overview screen provides a preview of your recently-used apps. To view the list of recently-used apps, tap

• Touch and hold an app and drag it to the top of the screen to start the

app with the Multi-Window feature. You can also tap each app preview.

on the Home touch buttons.

at the top of

Custom-designed Features 11

Basic Functions

Product components and accessories

The following items are included with your device.

• Device

• USB cable

• Charger

• The items supplied with the device and any available accessories may

vary depending on the area and service provider.

• Always use genuine LG Electronics accessories. Using accessories made

by other manufacturers may affect your device's call performance or cause malfunctions. This may not be covered by LG's repair service.

• Some of the device parts are made of tempered glass. If you drop your

device on a hard surface or subject it to severe impact, the tempered glass may be damaged. If this happens, stop using your device immediately and contact an LG Customer Service Center.

• If any of these basic items are missing, contact the dealer from which

you purchased your device.

• To purchase additional basic items, contact an LG Customer Service

Center.

• To purchase optional items, contact an LG Customer Service Center for

available dealers.

• Some items in the product box are subject to change without notice.

• The appearance and specifications of your device are subject to change

without notice.

• Device specifications may vary depending on the area or service provider.

• Be sure to use authentic accessories provided by LG Electronics. Using

third-party accessories may damage the device or cause malfunctions.

• Remove the protective film from the Fingerprint sensor before using the

fingerprint recognition feature.

• Quick Start Guide

• Ejection pin

Basic Functions 13

Parts overview

Proximity/Ambient light sensor

Front camera lens

Earpiece

SIM/microSD card slot

Touch screen

Stereo headset jack

Flash

Power/Lock key

Speaker

Microphone

Rear camera lens

Volume keys (+/-)

Charger/USB cable port

Basic Functions 14

Do NOT attempt to remove the back cover.

This device has a non-removable battery. Do not attempt to remove the back cover. Doing so may severely damage the battery and device, which could cause overheating, fire, and injury.

• Press and hold the volume down (-) key and Power/Lock key at the

same time for a second to take a screenshot.

• Proximity/Ambient light sensor

- Proximity sensor: During a call, the proximity sensor turns off the screen and disables touch functionality when the device is in close proximity to the human body. It turns the screen back on and enables touch functionality when the device is outside a specific range.

- Ambient light sensor: The ambient light sensor analyzes the ambient light intensity when the auto-brightness control mode is turned on.

• Laser detection auto-focus

- Detect the distance from the camera to your subject for automatic focusing.

- Quickly focus on closer or farther objects when you use the rear camera to take photos.

• Volume keys

- Adjust the volume for ringtones, calls or notifications.

- While using the Camera, gently press a Volume key to take a photo. To take continuous photos, press and hold the Volume key.

- Press the Volume Down (-) key twice to launch the Camera app when the screen is locked or turned off. Press the Volume Up (+) key twice to launch Capture+.

• Power/Lock key

- Briefly press the key when you want to turn the screen on or off.

- Press and hold the key when you want to select a power control option.

Basic Functions 15

• Some functions may be restricted for access, depending on the device

specifications.

• Do not put heavy objects on the device or sit on it. Doing so may

damage the touch screen.

• Screen-protective film or accessories may interfere with the proximity

sensor.

• If your device is wet or is being used in a humid place, the touch screen

or buttons may not function properly.

• The rear of the device includes a built-in NFC antenna. Be cautious when

handling the device to avoid damaging or covering the NFC antenna.

Hold the device correctly as shown below. If you cover the microphone hole with a hand, finger, or protective case while using the device, you may sound unclear during a call.

Basic Functions 16

Turning the power on or off

Turning the power on

When the power is turned off, press and hold the Power/Lock key.

• When the device is turned on for the first time, initial configuration

takes place. The first booting time for the smart phone may be longer than usual.

Turning the power off

Press and hold the Power/Lock key, then select Power off.

Power control options

Press and hold the Power/Lock key, then select an option.

• Power off: Turn the device off.

• Power off and restart: Restart the device.

• Turn on Airplane mode: Block telecommunication-related functions,

including making phone calls, messaging and browsing the Internet. Other functions remain available.

Basic Functions 17

Inserting the memory card

The device supports up to a 2 TB microSD card. (Not included) Depending on the memory card manufacturer and type, some memory

cards may not be compatible with your device.

• It is recommended to use an exFAT file system when using an external

memory card of more than 32GB.

• Some memory cards may not be fully compatible with the device. If you

use an incompatible card, it may damage the device or the memory card, or corrupt the data stored in it.

Insert the ejection pin into the hole on the card tray.

Pull out the card tray.

Put the memory card on the card tray with the gold-colored contacts

facing downwards.

• The memory card is an optional item and is sold separately.

• Frequent writing and erasing of data may shorten the memory card

lifespan.

Insert the card tray back into the slot.

Basic Functions 18

Removing the memory card

Unmount the memory card before removing it for safety.

Tap Tools Settings Storage .

Insert the ejection pin into the hole on the card tray.

Pull out the card tray and remove the memory card.

• Do not remove the memory card while the device is transferring or

accessing information. This may cause data to be lost or corrupted, or may damage the memory card or the device. LG is not responsible for losses that result from the abuse or improper use of memory cards, including the loss of data.

Basic Functions 19

Charging the battery

Before using the device, fully charge the battery. Connect one end of the charging cable to the charger, insert the other end of the cable into the cable port, and then plug the charger into a power socket.

• When connecting a USB cable, make sure that the icon on the cable

faces up. Connecting the cable in the wrong way may damage the device.

• Make sure to use an LG-approved charger and charging cable. Charging

the battery with a third-party charger may cause the battery to explode or may damage the device.

• Using the device when it is charging may cause electric shock.

To use the device, stop charging it.

The charger connector is located at the bottom of the device. Insert the charger and plug it into a power outlet.

Basic Functions 20

Optimizing battery life

Extend your battery’s power by turning off features that you do not need to run constantly in the background. You can monitor how applications and system resources consume battery power.

Extending your device battery life

• Turn off radio communications when you are not using. If you are not

using Wi-Fi, Bluetooth

• Reduce screen brightness and set a shorter screen timeout.

• Turn off automatic syncing for Gmail, Calendar, Contacts and other

applications.

• Some applications you download may consume battery power.

• Check the battery usage details and close any downloaded apps that

are draining the battery.

or GPS, turn them off.

Basic Functions 21

Touch screen

You can familiarize yourself with how to control your device by using touch screen gestures.

Tapping

Lightly tap with your fingertip to select or run an app or option.

Touching and holding

Touch and hold for several seconds to display a menu with available options.

Basic Functions 22

Double-tapping

Tap the screen twice quickly to zoom in or out on a specific app.

Dragging

Touch and hold an item, such as an app or widget, then move your finger to a desired location in a controlled motion. You can use this gesture to move an item.

Swiping

Touch the screen with your finger and move it quickly without pausing. You can use this gesture to scroll through a list, a web page, photos, screens, and more.

Basic Functions 23

Pinching and spreading

Pinch two fingers to zoom out such as on a photo or map. To zoom in, spread your fingers apart.

• Do not expose the touch screen to excessive physical shock. You might

damage the touch sensor.

• A touch screen failure may occur if you use the device near a magnetic,

metallic or conductive material.

• If you use the device under bright lights, such as direct sunlight, the

screen may not be visible, depending on your position. Use the device in a shady location or a location with an ambient light that is not too bright and bright enough to read books.

• Do not press the screen with excessive force.

• Gently tap with your fingertip on the option you want.

• The touch control may not work properly if you tap while wearing a

glove or by using the tip of your fingernail.

• Touch control may not work properly if the screen is moist or wet.

• The touch screen may not function properly if a screen-protective film

or accessory purchased from a third party store is attached to the device.

• Displaying a static image for extended periods of time may result in

after-images or screen burn-in. Turn off the screen or avoid displaying the same image for a long time when you do not use the device.

Basic Functions 24

Home screen

Status bar

Home screen overview

The Home screen is the starting point for accessing various functions and apps on your device. Tap screen.

You can manage all apps and widgets on the Home screen. Swipe the screen left or right to view all installed apps at a glance.

Home screen layout

You can view all apps and organize widgets and folders on the Home screen.

Weather widget

Home touch buttons

• The Home screen may differ depending on the manufacturer policy, user

settings, software version or service provider.

on any screen to directly go to the Home

Google search widget

Page icon Quick access area

• Status bar: View status icons, the time and the battery level.

• Weather widget: View the weather information or time for a specific

area.

Basic Functions 25

• Google search widget: Perform a Google search by inputting spoken

or written keywords.

• Page icon: Display the total number of Home screen canvases. You

can tap the desired page icon to go to the page. The icon reflecting the current canvas will be highlighted.

• Quick access area: Fix main apps at the bottom of the screen so that

they can be accessed from any Home screen canvas.

• Home touch buttons

: Return to the previous screen. Close the keypad or pop-up

windows.

: Tap to go to the Home screen. To launch Google Assistant, touch

and hold.

: Tap to view a list of recently used apps or run an app from the

list. To delete all the recently used apps, tap CLEAR ALL. To use two apps at the same time with the Multi-Window feature, touch and hold the button while using an app.

Editing the Home touch buttons

You can rearrange the Home touch buttons or add frequently used functions to the Home touch buttons area.

Tools Settings Display Home touch buttons Button

Tap combination and customize the settings.

• Several functions, including QSlide, Notification and Capture+, are

provided. A maximum of two additional items can be added.

Basic Functions 26

Changing the color of the Home touch buttons bar

You can change the background color of the Home touch buttons.

Tap Tools Settings Display Home touch buttons.

Under Color, tap the desired color.

Lock/hide icon

The icon to lock or hide the Home touch buttons appears at the bottom left of the screen.

If you want to lock the Home touch buttons while shown, tap left of the Home touch buttons.

To hide the Home touch buttons again, double-tap To deactivate the Lock/hide buttons feature, tap

Display

Home touch buttons Show lock/hide icon, then tap .

• Some features may not be supported while the Home touch buttons

are hidden.

Tools Settings

on the

Hiding the Home touch buttons

You can hide the Home touch buttons to view in a larger screen while using an app.

Tap Tools Settings Display Home touch buttons Hide

Home touch buttons.

Select apps to hide the Home touch buttons whiling using the app,

and tap

• The Home touch buttons disappear 3 seconds after the last touch.

• To view the Home touch buttons again, drag the bottom of the screen

upwards.

Basic Functions 27

Status icons

When there is a notification for an unread message, calendar event or alarm, the status bar displays the corresponding notification icon. Check your device's status by viewing notification icons displayed on the status bar.

No signal

Data is being transmitted over the network

Alarm is set

Vibrate mode is on

Bluetooth is on

Connected to a computer via USB

Battery level

Airplane mode is on

Missed calls

Wi-Fi is connected

Mute mode is on

GPS is on

Hotspot is on

No SIM card

The NFC read/write P2P mode is on

• Some of these icons may appear differently or may not appear at all,

depending on the device's status. Refer to the icons according to the actual environment and area in which you are using the device and your service provider.

• Displayed icons may vary, depending on the area or service provider.

Basic Functions 28

Notifications panel

You can open the notifications panel by dragging the status bar downward on the main screen.

• To open the quick access icons list, drag the notifications panel

downwards or tap

• To rearrange, add, or remove icons, tap EDIT.

• If you touch and hold the icon, the settings screen for the

corresponding function appears.

• You can use the notifications panel even on the lock screen. Drag the

notifications panel while the screen is locked to quickly access the desired features.

EDIT

Basic Functions 29

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