LG cricket LM-Q720CS User manual

ENGLISHENGLISH
MFL71778201 (1.0) www.lg.com
Copyright ©2020 LG Electronics Inc. All rights reserved.
LM-Q720CS
Manuf & Model
User Guide

Your phone is designed to make it easy for you to access a wide variety
of content. For your protection, we want you to be aware that some
applications that you enable may involve the location of your phone
being shared. For applications available through Cricket, we offer privacy
controls that let you decide how an application may use the location
of your phone and other phones on your account. However, the Cricket
privacy tools do not apply to applications available outside of Cricket.
Please review the terms and conditions and the associated privacy policy
for each location-based service to learn how location information will be
used and protected. In addition, your Cricket phone may be used to access
the internet and to download, and/or purchase goods, applications, and
services from Cricket or elsewhere from third parties. Cricket provides
tools for you to control access to the Internet and certain Internet
content. These controls may not be available for certain devices which
bypass Cricket controls.
© 2020 Cricket Wireless LLC. All rights reserved. Cricket and the Cricket
logo are registered trademarks under license to Cricket Wireless LLC.

1
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these apps may be withdrawn without prior notice.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 the LG
Authorized 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.
• Failure to follow the instructions in this guide and improper use may
damage the device.

2
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.

3Table of contents
Table of contents
48 Memory card encryption
49 Taking screenshots
49 Entering text
57 Do not disturb
03
Useful Apps
59 Installing and uninstalling apps
61 App Shortcuts
62 Phone
66 Messaging
67 Camera
78 Gallery
84 Chrome
85 Google apps
87 QuickMemo+
88 Contacts
91 Clock
92 Calendar
92 Tasks
93 Music
94 Calculator
94 LG Mobile Switch
95 Audio Recorder
95 Game Launcher
01
Custom-designed
Features
6Using the Stylus Pen
7Multi-tasking feature
13 Google Assistant
14 Fingerprint recognition
17 Face Recognition
21 Sound quality and effects
02
Basic Functions
23 Product components and
accessories
24 Parts overview
27 Turning the power on or off
28 Installing the SIM card
31 Inserting the memory card
32 Removing the memory card
32 Battery
34 Touch screen
36 Home screen
44 Screen lock

4Table of contents
95 File Manager
96 Smart cleaning
96 SmartWorld
04
Settings
98 Settings
98 Network & internet
105 Connected devices
107 Sound
109 Display
110 Lock screen & security
112 Privacy
113 Location
113 Extensions
115 Digital Wellbeing & parental
controls
116 Apps & notifications
116 Battery
117 Storage
117 Accounts
117 Google
118 System
121 Accessibility
05
Appendix
125 LG Language Settings
125 LG Bridge
126 Phone software update
128 Anti-Theft Guide
129 Open Source Software Notice
Information
129 Regulatory information
(FCC ID number, etc.)
130 Trademarks
131 More information
132 FAQ
06
For Your Safety
07
LIMITED WARRANTY USA

Custom-designed
Features
01

Custom-designed Features 6
Using the Stylus Pen
You can create a memo using the stylus. With the Pen Pop feature, you
can quickly access Memo apps when you pull the stylus pen out.
• : Hides/displays the Pen Pop options. Touch and hold the icon to
delete or move it.
• : Opens a new meno.
• : Opens the screen recorder to create an animated GIF file. After
adjusting the size and location of the frame, tap . You can record up
to 15 seconds.
• : Opens Draw chat to allow you to draw and share with others.
When you start drawing, it automatically records. Tap to save your
drawing. Then, tap to share it. The drawing chat file will be saved as
a GIF in Gallery.
• : On a screen where you are entering text, you can enter the text
using the pen. (Network connection is required.)
• : You can instantly take notes using the stylus pen.

Custom-designed Features 7
Multi-tasking feature
Recent Uses Screen
You can view the app screens that you used recently by using the preview
function.
To view the list of apps that you used recently, tap on the navigation
bar.
If you change to Gestures navigation in Settings Display Navigation
bar Gestures, you can swipe upward and hold from the bottom of the
screen to view the recent use history.
Pop-up window
You can open multiple apps on the screen and easily switch between
them at any time.
1 Tap on the navigation bar to see recent apps.
• If Gestures is set for the navigation bar, swipe up and hold from
the bottom of the screen.
• If Gesture and Buttons is set for the navigation bar, swipe up.
2 Tap the app icon on the top left of the app screen and select Pop-up
window.
• If you tap the app icon, the App info, Multi window, Pop-up
window and Pin app options appear.

Custom-designed Features 8
3 The app appears in the form of a pop-up window on the screen.
• This feature may not be available in some apps or screens.
Using the pop-up window
• : Minimizes the pop-up window. The pop-up window is minimized
into the app icon floating on the screen, which can be moved anywhere
you want.
• : Expands the app to full screen.
• : Closes the app.

Custom-designed Features 9
• To move the pop-up window: Drag the top of the pop-up window.
• To adjust the size of the pop-up window: Drag the left, right or
bottom edge of the pop-up window.
• You can open up to 5 apps using the pop-up windows.
• To select an app from the opened apps, tap one of the pop-up windows.
The selected pop-up window comes to the front.
• Pop-up windows cannot be moved to the status bar or navigation bar area.

Custom-designed Features 10
Using the app folder for pop-up windows
If you tap on the pop-up window, the pop-up window is minimized into
the app icon.
You can move the app icon anywhere you want by dragging it.
If two or more pop-up windows are minimized, the app folder is created
to contain the app icons.
• The recently-used app icon is used as the app folder icon. If you tab the
icon, all the icons for the minimized pop-up windows appear in the app
folder.

Custom-designed Features 11
Pop-up windows
apps folder
• If you touch and hold the app folder for pop-up windows and drag the
app folder into Remove, the app folder will be removed.
• To remove one of the apps from the app folder, open the app folder and
drag the app icon out of the app folder.
Multi window
When using Buttons only navigation (by default)
1 Tap on the navigation bar.
• Recently-used apps appear.
2 Tap the app icon on the top left of the app to be displayed in the
multiwindow and select Multi window.
• The selected app appears at the top half of the screen.

Custom-designed Features 12
3 Tap the other app to be displayed in the multi window.
• To adjust the size of the split screen, drag the bar on the center of the
screen.
• To deactivate the multi window feature, drag the center bar up or down
to the end of the screen.
• The multi window feature is not supported in some LG apps or apps
downloaded from the Play Store.
When using Gestures navigation
1 Swipe up and hold from the bottom of the screen.
• Recently-used apps appear.
2 Tap the app icon on the top left of the app to be displayed in the
multiwindow and select Multi window.
• The selected app appears at the top half of the screen.
3 Tap the other app to be displayed in the multi window.
• The selected app appears at the bottom half of the screen.

Custom-designed Features 13
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 use this feature, first connect to the network and sign in to your
Google Account.
Sign in
1 Touch and hold to open Google Assistant.
2 Follow the on-screen instructions.
• The device saves your voice data for recognition.
3 Set whether to use the voice match unlock function.
• If you use the voice match unlock function, you can unlock the
device even when the device screen is turned off or the device is
charging by saying “OK Google” or “Hey Google”.
• For stronger security, it is advisable to use Pattern, PIN, or Password.
• When a similar voice or your recorded voice is used, the screen may be
unlocked.
• To use this feature, tap Settings 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.
4 Tap Save.

Custom-designed Features 14
Accessing by Voice
1 When the home screen is turned off or locked, say “OK Google” or
“Hey Google”.
2 When the Google Assistant screen appears, say a command or ask a
question.
Accessing from Home Screen or Any Other
Screen
1 Touch and hold to open Google Assistant.
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.
Fingerprint recognition
Fingerprint recognition overview
You must register your fingerprint on your device first before using the
fingerprint recognition function.
You can use the fingerprint recognition function in the following cases:
• To unlock the screen.
• To view locked contents in Gallery and QuickMemo+.
• Confirm a purchase by signing in to an app or identifying yourself with
your fingerprint.
• Your fingerprint can be used for user identification. Very similar
fingerprints from different users may be recognized by the fingerprint
sensor as the same fingerprint. For added security, set the screen lock
using a pattern, PIN or Password.

Custom-designed Features 15
Precautions for fingerprint recognition
Fingerprint recognition accuracy may decrease due to a number of
reasons. To maximize the recognition accuracy, check the following before
using the device.
• Ensure that the fingerprint sensor is not damaged by a metallic object,
such as coin or key.
• When water, dust or other foreign substance is on the fingerprint
sensor or your finger, the fingerprint registration or recognition may
not work. Clean and dry your finger before using the fingerprint sensor.
• A fingerprint may not be recognized properly if the surface of your
finger has a scar or is not smooth due to being soaked in water.
• If you bend your finger or use the fingertip only, your fingerprint may
not be recognized. Make sure that your finger covers the entire surface
of the fingerprint sensor.
• Scan only one finger for each registration. Scanning more than one
finger may affect fingerprint registration and recognition.
• The device may generate static electricity if the surrounding air is dry.
If the surrounding air is dry, avoid scanning fingerprints, or touch a
metallic object, such as coin or key, to remove static electricity before
scanning fingerprints.
Registering fingerprints
You can register and save your fingerprint on the device to use fingerprint
identification.
1 On the home screen, tap Settings Lock screen & security
Fingerprints.
• This feature is available when the screen lock is set.
- Lock the device with a pattern, PIN or password.
• If the screen lock is not set, configure the lock screen by following the
on-screen instructions. See
Setting a screen lock for details.

Custom-designed Features 16
2 Locate the fingerprint sensor on the back of the device and gently put
your finger on it to register the fingerprint.
• Ensure that your fingertip covers the entire surface of the sensor.
3 Follow the on-screen instructions.
• Repeat scanning the fingerprint by moving your finger little by little
until the fingerprint registers.
4 When the fingerprint registration is done, tap OK.
• Tap Add more to register another fingerprint. If you register only
one fingerprint and the corresponding finger is not in a good
condition, the fingerprint recognition may not work well. As the
preventive measure against this kind of situation, register multiple
fingerprints.
Managing fingerprints
You can edit or delete registered fingerprints.
1 On the home screen, tap Settings Lock screen & security
Fingerprints.
2 Unlock according to the specified lock method.
3 From the fingerprint list, tap a fingerprint to rename it. To delete it, tap
.

Custom-designed Features 17
Unlocking the screen with a fingerprint
You can unlock the screen or view the locked content by using your
fingerprint.
1 On the home screen, tap Settings Lock screen & security
Fingerprints.
2 Unlock according to the specified lock method.
3 On the fingerprint settings screen, activate the desired function:
• Screen lock: Unlock the screen with a fingerprint.
• Content lock: Access contents you have locked in Gallery and
QuickMemo+ with a fingerprint.
Face Recognition
Face recognition overview
You can unlock the screen by using face recognition.
• For stronger security, it is advisable to use Pattern, PIN, or Password.
• Unless Advanced face recognition option is applied, a similar face or
photo of your face may unlock your device. See
Enhancing the face
recognition
for details.
• The recognized facial data is securely stored in your device.
• If the device cannot detect your face, or you forget the screen lock set
for your device, contact the LG Authorized Service Center.
• To save power, the face recognition feature will not work when the
battery level is below 5%.

Custom-designed Features 18
Precautions for face recognition
Face recognition accuracy may decrease in the following cases. To increase
its accuracy, check the following before using the device.
• When your face is covered with a hat, eyeglasses, or mask, or your face
is significantly different due to heavy makeup or beard.
• When there are fingerprints or foreign substances on the front of the
camera lens, or your device cannot detect your face due to excessively
bright or dark conditions.
Registering facial data
Before using the face recognition feature, register your facial data on your
device.
1 On the home screen, tap Settings Lock screen & security Face
Recognition.
• To use this feature, the screen lock must be set with a Knock Code,
Pattern, PIN, or Password.
• When the screen lock is not set, register the data by following the
on-screen instructions. See
Setting a screen lock for details.
2 Tap Next and unlock the device according to the specified method.
3 Tap Start and raise your device in the front of your eyes.
• Register your face in a room that is not too bright or dark.
• Position your entire face inside the guideline on the screen, and then
adjust it by slowly moving up, down, left, or right.
• Keep still while registering your face. You can improve recognition
rate by taking steady photos multiple times.
4 When the face registration is done, tap OK.