LG US550 Logos User manual

MFL00000000 (1.0)
ENGLISH
LG-US550
USER GUIDE

User Guide
t Screen displays and illustrations may differ from those you see on actual phone.
t Some of the contents of this guide may not apply to your phone, depending on the
software and your service provider. All information in this document is subject to
change without notice.
t This handset is not suitable for people who have a visual impairment due to the tap
screen keyboard.
t Copyright ©2015 LG Electronics, Inc. All rights reserved. LG and the LG logo are
registered trademarks of LG Group and its related entities. All other trademarks are
the property of their respective owners.
t Google™, Google Maps™, Gmail™, YouTube™, Hangouts™ and Play Store™ are
trademarks of Google, Inc.
t U.S. Cellular® Customer Care 1-888-944-9400.
ENGLISH

2
Table of contents
Guidelines for safe and efficient use .......4
Important notice .......................................6
Getting to know your phone...................10
Phone layout..........................................10
Installing the SIM or USIM card..............12
Charging your phone .............................13
Unlocking the screen .............................14
Your Home screen...................................15
Touch screen tips ..................................15
Home screen .........................................16
Returning to recently-used applications.18
Notifications panel.................................18
On-screen keyboard ..............................21
Special Feature .......................................22
Quick Glance View .................................22
Knock Code ...........................................23
QuickMemo+.........................................24
Google account setup.............................25
Connecting to Networks and Devices....26
Wi-Fi .....................................................26
Bluetooth...............................................27
Wi-Fi Direct ...........................................28
Transferring data between a PC and the
device....................................................28
Calls ........................................................29
Making a call.........................................29
Calling your contacts .............................29
Answering and rejecting a call...............29
Making a second call.............................30
Viewing your call logs ............................30
Call settings...........................................30
Contacts..................................................31
Searching for a contact..........................31
Adding a new contact ............................31
Favourites contacts................................31
Creating a group....................................32
Messaging...............................................33
Sending a message ...............................33
Threaded box .......................................34
Changing your message settings ...........34
E-mail......................................................35
Managing an email account...................35
Working with account folders.................35
Composing and sending email...............36
Camera and Video...................................37
Getting to know the viewfinder ..............37
Using the advanced settings ..................38
Taking a quick photo .............................39
Once you've taken a photo.....................39
Recording a quick video.........................40
After recording a video...........................40
Gallery...................................................41

3
Multimedia..............................................44
Music ....................................................44
Utilities ....................................................46
Clock.....................................................46
Calculator..............................................47
Calendar................................................47
Voice Recorder ......................................48
Tasks.....................................................48
Voice Search..........................................49
Downloads ............................................49
The Web ..................................................50
Browser.................................................50
Chrome .................................................52
Settings...................................................53
Networks...............................................53
Sound....................................................55
Display ..................................................57
General..................................................60
Phone software update ..........................68
Phone software update..........................68
About this user guide .............................70
About this user guide.............................70
Trademarks ...........................................70
Troubleshooting ......................................71
FAQ ..........................................................75
Safety ......................................................82
Consumer Information About Radio
Frequency Emissions .............................83
Consumer Information on SAR ...............87
FCC Hearing-Aid Compatibility (HAC)
Regulations for Wireless Devices ...........89
Caution: Avoid potential hearing loss......91
TIA Safety Information ...........................92
Safety Information .................................96
FDA Consumer Update.........................100
Driving.................................................107
Driver Safety Tips ................................107

4
Violation of the instructions may cause serious injury or death.
WARNING: This product contains chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm. Wash hands after handling.
t Never use an unapproved battery since this could damage the phone and/
or battery and could cause the battery to explode.
t Never place your phone in a microwave oven as it will cause the battery to
explode.
t Do not dispose of your battery near fire or with hazardous or flammable
materials.
t When riding in a car, do not leave your phone or set up the hands-free kit
near the air bag. If wireless equipment is improperly installed and the air
bag is deployed, you may be seriously injured.
t Do not use the phone in areas where its use is prohibited. (For example:
aircraft)
t Do not expose the battery charger or adapter to direct sunlight or use it in
places with high humidity, such as a bathroom.
t Do not use harsh chemicals (such as alcohol, benzene, thinners, etc.) or
detergents to clean your phone. This could cause a fire.
t Do not drop, strike, or shake your phone severely. It may harm the internal
circuit boards of the phone.
t Do not use your phone in high explosive areas as the phone may generate
sparks.
t Do not damage the power cord by bending, twisting, pulling, or heating. Do
not use the plug if it is loose as it may cause electric shock or fire.
t Do not place any heavy items on the power cord. Do not allow the power
cord to be crimped as it may cause electric shock or fire.
t Do not handle the phone with wet hands while it is being charged. It may
cause an electric shock or seriously damage your phone.
t Do not disassemble the phone.
Guidelines for safe and efficient use

5
t Do not place or answer calls while charging the phone as it may short-
circuit the phone and/or cause electric shock or fire.
t Do not hold or let the antenna come in contact with your body during a call.
t Make sure that no sharp-edged items, such as animal’s teeth or nails,
come into contact with the battery. This could cause a fire.
t Store the battery out of reach of children.
t Be careful that children do not swallow any parts (such as earphone,
connection parts of the phone, etc.) This could cause asphyxiation or
suffocation resulting in serious injury or death.
t Unplug the power cord and charger during lightning storms to avoid electric
shock or fire.
t Only use the batteries and chargers provided by LG. The warranty will not
be applied to products provided by other suppliers.
t Only authorized personnel should service the phone and its accessories.
Faulty installation or service may result in accidents and consequently
invalidate the warranty.
t An emergency call can be made only within a service area. For an
emergency call, make sure that you are within a service area and that the
phone is turned on.
t Your phone is an electronic device that generates heat during normal
operation. Extremely prolonged, direct skin contact in the absence of
adequate ventilation may result in discomfort or minor burns. Therefore, use
care when handling your phone during or immediately after operation.

6
Important notice
Please read this before you start using your phone!
Please check to see whether any problems you encountered with your phone are
described in this section before taking the phone in for service or calling a service
representative.
1. Phone memory
When there is less than 10% of space available in your phone memory, your phone
cannot receive new messages. You need to check your phone memory and delete some
data, such as applications or messages, to make more memory available.
To uninstall applications:
1 Tap > > Apps tab > > General > Apps.
2 Once all applications appear, scroll to and select the application you want to
uninstall.
3 Tap Uninstall.
2. Optimizing battery life
Extend your battery's power by turning off features that you don't have to run constantly
in the background. You can monitor how applications and system resources consume
battery power.
Extending your phone's battery life:
t Turn off radio communications when you are not using. If you are not using Wi-Fi,
Bluetooth or GPS, turn them off.
t Reduce screen brightness and set a shorter screen timeout.
t Turn off automatic syncing for Gmail, Calendar, Contacts and other applications.
t Some applications you have downloaded may reduce battery power.
t While using downloaded applications, check the battery charge level.

7
NOTE: If you accidently press the Power/Lock Key while the device is in your
pocket, the screen will turn off automatically in order to save battery power.
3. Before installing an open source application and OS
WARNING
If you install and use an OS other than the one provided by the manufacturer
it may cause your phone to malfunction. In addition, your phone will no longer
be covered by the warranty.
WARNING
To protect your phone and personal data, only download applications from
trusted sources, such as Play Store™. If there are improperly installed
applications on your phone, the phone may not work normally or a serious
error may occur. You must uninstall those applications and all associated data
and settings from the phone.
4. Using the Hard Reset (Factory Reset)
If your phone does not restore to its original condition, use a Hard Reset (Factory Reset)
to initialize it.
1 Turn the power off.
2 Press and hold the Power/Lock key + Volume Down key on the back of the
phone.
3 Release the Power/Lock Key only when the boot logo is displayed, then
immediately press and hold the Power/Lock Key again.
4 Release all keys when the Factory hard reset screen is displayed.

8
5 Press the Power/Lock Key to continue or either of the Volume Keys to cancel.
6 Press the Power/Lock Key once more to confirm or either of the Volume Keys to
cancel.
WARNING
If you perform a Hard Reset, all user applications, user data and DRM
licenses will be deleted. Please remember to backup any important data
before performing a Hard Reset.
5. Opening and switching applications
Multi-tasking is easy with Android, you can keep more than one application running
at the same time. There is no need to quit an application before opening another one.
Use and switch between several open applications. Android manages each application,
stopping and starting them as needed to ensure that idle applications don't consume
resources unnecessarily.
1 Tap . A list of recently used applications will be displayed.
2 Tap the application you want to access. This does not stop the previous app
running in the background on the phone. Make sure to tap to exit an app after
using it.
t To remove an app from the recent apps list, swipe the app preview to the left or right.
To clear all apps, tap Clear all.
6. When the screen freezes
If the screen freezes or the phone does not respond when you try to operate it:
Press and hold the Power/Lock Key and the Volume Down Key for 10 seconds to
turn your phone off. If it still does not work, please contact the service center.
Important notice

9
7. Do not connect your phone when you power on/off
your PC
Make sure to disconnect your phone from the PC when powering your PC on or off as it
might result in PC errors.

10
Phone layout
Touch Screen
Notification LED
Front Camera Lens
Home KeyProximity Sensor
Back Key
Earpiece
Recent Key
Back Key Returns to the previous screen. Also closes pop-up items such as menus, dialog boxes,
and the on-screen keyboard. Touch and hold it to access Dual window.
Home Key Return to the Home screen from any screen.
Recent Key Displays recently used applications. If you touch and hold this key, it opens available
options menu.
NOTE: Proximity sensor
When receiving and making calls, the proximity sensor automatically turns the backlight off
and locks the touch screen by sensing when the phone is near your ear. This extends battery
life and prevents you from unintentionally activating the touch screen during calls.
WARNING
Placing a heavy object on the phone or sitting on it can damage the LCD and touch screen
functions. Do not cover the LCD proximity sensor with protective film. This could cause the
sensor to malfunction.
Getting to know your phone

11
Volume Keys
Headset Jack
Microphone
Charger/USB port
Power/Lock Key
Laser Detection
AutoFocus
Speaker
Rear Camera Lens
Flash
Microphone
Infrared LED
Power/Lock Key • Switch your phone on/off by pressing and holding this key
• Short press to lock/unlock the screen
Volume Keys (Whilst screen is switched off)
• Long Press Up to launch QuickMemo+
• Long Press Down to launch Camera
WARNING
This part encloses the battery compartment.

12
Installing the SIM or USIM card
Before you can start exploring your new phone, you'll need to set it up.
1 To remove the back cover, hold the phone firmly in one hand. With your other hand,
lift off the back cover with your thumbnail as shown in figure below.
2 Slide the SIM card into the lower slot for the SIM card as shown in figure. Make
sure the gold contact area on the card is facing downwards.
NOTE: Only SIM or USIM cards work with the device.
Getting to know your phone

13
NOTE: If you want to use the memory card, insert the memory card into the
slot. Make sure the gold contact area is facing downwards.
3 Align the back cover over the battery compartment (1) and press it down until it
clicks into place (2).
Charging your phone
Charge the battery before using it for the first time. Use the charger to charge the
battery. A computer can be also used to charge the device by connecting them via the
USB cable.
WARNING
Use only LG-approved chargers, batteries and cables. If you use unapproved
chargers, batteries or cables, it may cause battery charging delay or pop up
message regarding slow charging, Or this can cause the battery to explode or
damage the device, which are not covered by the warranty.
The charger connector is at the bottom of the phone. Insert the charger and plug it into
an electrical outlet.

14
NOTE:
t The battery must be fully charged initially to improve battery lifetime.
t Do not open the back cover while your phone is charging.
Unlocking the screen
After a period of inactivity, to conserve the battery, the screen you are currently viewing
will be replaced by the lock screen.
Unlocking the screen
1 Press the Power/Lock Key key.
2 Swipe the screen in any direction to unlock it.
or
1 Double-tap the center of the screen.
Getting to know your phone

15
Your Home screen
Touch screen tips
Here are some tips on how to navigate on your phone.
Tap or touch – A single finger tap selects items, links, shortcuts and letters on the
on-screen keyboard.
Touch and hold – Touch and hold an item on the screen by tapping it and not lifting
your finger until an action occurs.
Drag – Touch and hold an item for a moment and then, without lifting your finger, move
your finger on the screen until you reach the target position. You can drag items on the
Home screen to reposition them.
Swipe or slide – To swipe or slide, quickly move your finger across the surface of the
screen, without pausing when you first tap it (so you don’t drag an item instead).
Double-tap – Double-tap to zoom on a webpage or a map.
Pinch-to-Zoom – Use your index finger and thumb in a pinching or spreading motion
to zoom in or out when using the browser or Maps, or when browsing pictures.
Rotate the screen – From many applications and menus, the orientation of the screen
adjusts to the device's physical orientation.
NOTE:
t To select an item, tap the center of the icon.
t Do not press too hard; the tap screen is sensitive enough to pick up a light,
yet firm tap.
t Use the tip of your finger to tap the option you want. Be careful not to tap
any other keys.

16
Home screen
The Home screen is the starting point for many applications and functions, and it allows
you to add items like application shortcuts, or Google widgets to give you instant access
to information and applications. This is the default canvas and accessible from any
menu by tapping .
Status Bar
Widget
Application Icons
Location Indicator
Quick Key Area
Home touch buttons
Shows phone's status information including the time, signal strength, battery status,
and notification icons.
Widgets are self-contained applications that can be accessed through the Apps
screen or on the Home screen or an extended home screen. Unlike a shortcut, the
Widget appears as an on-screen application.
Tap an icon (application, folder, etc.) to open and use it.
Indicates which Home screen canvas you are viewing.
Provides one-touch access to the function in any home screen canvas.
Your Home screen

17
Extended home screen
The operating system provides multiple Home screen canvases to provide more space
for adding icons, widgets, and more.
XSlide your finger left or right across the Home screen.
Customizing the Home screen
You can customize your Home screen by adding apps, widgets or changing wallpapers.
Adding items on your Home screen
1 Touch and hold the empty part of the Home screen.
2 In the Add Mode menu, select the item you wish to add. You will then see this
added item on the Home screen.
3 Drag it to the desired location and lift your finger.
TIP! To add an application icon to the Home screen from the Apps menu,
touch and hold the application you want to add.
Removing an item from the Home screen
XHome screen > touch and hold the icon you want to remove > drag it to .
Adding an app as a Quick key
XFrom the Apps menu or on the Home screen, touch and hold an application icon
and drag it to the Quick key area. Up to 7 apps can be added.
Removing an app from the Quick key area
XTouch and hold the desired quick key and drag it to .
NOTE: Apps key cannot be removed.

18
Customizing apps icons on the Home screen
1 Touch and hold an application icon until it is unlocked from its current position.
Then drop it on the screen. The editing icon will appear in the upper right
corner of the application.
2 Tap the application icon again and select the desired icon design and size.
3 Tap OK to save the change.
Returning to recently-used applications
1 Tap . A list of recently used applications will be displayed.
2 Tap an icon to open the application. Or tap to return to your previous screen.
Notifications panel
Notifications alert you the arrival of new messages, calendar events, and alarms, as
well as to ongoing events, such as when you are on a call.
When a notification arrives, its icon appears at the top of the screen. Icons for pending
notifications appear on the left, and system icons such as Wi-Fi or battery strength
shown on the right.
NOTE: The available options may vary depending on the region or service
provider.
Pending
notifications
Bluetooth, Wi-Fi &
battery status
Your Home screen

19
Opening the notifications panel
Swipe down from the status bar to open the notifications panel. To close the
notifications panel, touch and drag the screen toward the top of the screen.
Quick Toggle Area
Notifications
Clear
Tap each quick toggle key to turn it on/off. Touch and hold the key to access the
settings menu of the function. To see more toggle keys, swipe left or right. Tap to
remove, add, or rearrange toggle keys.
The current notifications are listed, each with a brief description. Tap a notification to
view it.
Tap to clear all the notifications.