LG M400MT Users manual
USER GUIDE
LG-M400MT
ENGLISH
MFL00000000 (1.0) www.lg.com
ENGLISH
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.
• This device is not suitable for people who have a visual impairment due
to the touchscreen keyboard.
• 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these apps may be withdrawn without prior notice.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 Centre. 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 licence 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 licenced 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 void
additional charges, select a data plan suitable to your needs. Contact
your service provider to obtain additional details.
1
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.
2About this user guide
Table of contents
5 Guidelines for safe and efficient use
11 Safety instructions
01
Custom-designed
Features
18 Second screen
20 Signature Wallpaper
21 Video recording features
24 Audio recording features
27 Multi-tasking feature
28 Fingerprint recognition
32 quick share
02
Basic Functions
34 Product components and
accessories
35 Parts overview
37 Turning the power on or off
38 Installing the SIM card
39 Inserting the memory card
40 Removing the memory card
40 Battery
44 Touch screen
47 Home screen
54 Screen lock
57 Memory card encryption
58 Taking screenshots
59 Entering text
64 Content sharing
66 Do not disturb
3
03
Useful Apps
68 Installing and uninstalling apps
69 Uninstalled apps
70 Phone
74 Messaging
75 Camera
93 Gallery
96 Music
97 E-mail
98 Calendar
100 QuickMemo+
102 Calculator
103 Clock
104 Downloads
104 File Manager
104 FM Radio
105 Contacts
107 LG Health
108 QuickRemote
110 LG SmartWorld
110 Tasks
110 LG Friends Manager
111 LG Backup
111 RemoteCall Service
112 Evernote
112 Facebook
112 Instagram
112 Chrome
113 Google apps
114 In Apps
04
Phone Settings
116 Settings
116 Networks
128 Sound & notification
129 Display
131 General
05
Appendix
141 LG Language Settings
141 LG Bridge
142 Phone software update
144 FAQ
147 Anti-Theft Guide
148 More information
4Table of contents
Guidelines for safe and efficient use
Important Information
This user’s guide contains important information about the use and operation of
this phone. Read all information carefully for optimal performance and to avoid
any damage or misuse of the phone. Any changes or modifications not
expressly approved by the party responsible for compliance could void the
user's authority to operate this equipment.
Before you begin
Safety Guidelines
WARNING: To reduce the possibility of electric shock, do not expose
your product to high humidity areas, such as bathroom or
swimming pool.
Keep the phone away from heat. Never store your phone in environment that
mayexposeittotemperaturesbelow0°Corabove40°C,suchasoutdoor
during snowstorm, or in your car in hot days. Exposure to cold or heat will result
in malfunction, damage or permanent failure. Be careful when using your phone
near other electronic devices. The RF emissions from mobile phones may affect
nearby electronic equipment that not adequately shielded. You should consult
manufacturers of any personal medical devices, as in the case of pacemakers and
hearing aides, to determine whether they are susceptible to interference from cell
phones.
Turn off your phone in medical facilities or at gas stations. Never place your phone
in microwaves, as it will cause the battery to explode.
Important: Before using your phone, please read the SAFETY
INFORMATION OF THE TELECOMMUNICATIONS INDUSTRY
ASSOCIATION (TIA).
5
Safety Information
Read these simple guidelines. Breaking the rules may be illegal or dangerous.
More detailed information is provided in this user’s guide.
• Never use an unapproved battery that could cause damages to the phone or
the battery itself, or even explode.
• Never place your phone in a microwave oven, as this will result in an explosion
of the battery.
• Do not dispose of your battery in fire or with hazardous or flammable materials.
• Make sure the battery does not come into contact with sharp-edged items,
such as animal teeth or claws. This could cause a fire.
• Store the battery in a place out of the reach of children.
• Be careful so that children do not swallow any parts of the phone, such as
rubber plugs (earpiece, parts that connect to the phone, etc.). This could cause
asphyxiation or suffocation.
• Disconnect the plug and charger from the outlet when the phone shows that
the battery has been fully charged, because it may cause electric shock or fire
hazard.
• When in the car, do not leave your phone, or install a hands-free kit, near the
airbag. If wireless equipment is improperly installed, you can be seriously injured
if the airbag is deployed.
• Do not use mobile phone while driving.
• Do not use the phone in areas where its usage is prohibited. (For example: in
airplanes).
• Do not expose the battery charger or adapter to direct sunlight, or use it in
places with high humidity, such as bathroom.
• Neverstoreyourphoneintemperatureslowerthan-20°Corhigherthan50°C.
• Do not use harsh chemicals (such as alcohol, benzene, solvents, etc.) or
detergents to clean the phone. This could cause fire.
• Do not drop the phone, strike it, or shake it hard.
Such actions may harm the phone’s internal circuit boards.
• Do not use your phone in high explosive areas, as this may generate sparks.
• Do not damage the power cord by bending, twisting, pulling, or heating it. Do
not use the plug if it is loose as it may cause fire or electric shock.
6Guidelines for safe and efficient use
• Do not handle the phone with wet hands while it is charging. This can cause
electric shock or seriously damage your phone.
• Do not disassemble the phone.
• Do not make or answer calls while charging the phone, which can cause a short
circuit, electric shock, or fire.
• Use only batteries and chargers provided by LG. The warranty does not apply to
products provided by other providers.
• Only authorized personnel should service the phone and its accessories.
Installation or service may result in accidents and consequently invalidate the
warranty.
• Do not hold or let the antenna come in contact with your body during a call.
• Emergency calls can be made only within a service area. To make an emergency
call, make sure you are within a service area and the phone is on.
• Use your accessories, such as headphones or headsets, with caution, ensuring
that the cables are plugged properly and that they do not touch the antenna
unnecessarily.
Information about the RF exposure from FCC
WARNING: Read this information before operating the phone.
In August 1996, the Federal Communications Commission (FCC) of the United
States, with its action in Report and Order FCC 96-502, adopted an updated safety
standard for human exposure to radio frequency (RF) electromagnetic energy
emitted by FCC regulated transmitters. Those guidelines are consistent with the
safety standard previously set by both international and U.S. standards.
The design of this phone complies with FCC guidelines and these international
standards.
7Guidelines for safe and efficient use
Body effects
This device was tested for typical body operation, keeping a distance of 1 cm
(0.39inch)betweentheuser’sbodyandthebackofthephone.Tocomplywith
RF exposure requirements of the FCC standards, a minimum distance of 1 cm
(0.39inch)betweentheuser’sbodyandthebackofthephoneisrequired.
Belt-clips, holsters, and similar accessories containing metallic components from
others manufacturers should not be used.
Accessories worn close to the body, without keeping a minimum distance of 1 cm
(0.39 inch) between the user’s body and the back of the phone, and that have not
been tested for typical body operation, may not comply with FCC’s RF exposure
limits and should be avoided.
Class B Compliance under article 15 of the FCC
This device and its accessories comply with Article 15 of the FCC rules.
The operation is subject to the following conditions:
(1) This device, and its accessories, will not cause harmful interference and (2)
this device and its accessories must accept any interference received, including
interference that could cause an undesired operation.
Battery Precautions
• Do not disassemble.
• Do not short-circuit.
Donotexposetohightemperatures,over60°C(140°F).
•
• Do not incinerate.
8Guidelines for safe and efficient use
Battery Disposal
• Please dispose of your battery properly, or bring it to your wireless provider for
recycling.
• Do not dispose of your battery in fire or with hazardous or flammable materials.
Adapter Precautions (Charger)
• Using the wrong battery charger could damage your phone and void your
warranty.
• The adapter or battery charger is only designed for indoor use.
• Do not expose the battery charger or adapter to direct sunlight, or use it in
places with high humidity, such as the bathroom.
Cautions for Battery
• Do not disassemble or open crush, bend or deform, puncture or shred.
• Do not modify or remanufacture, attempt to insert foreign objects into the
battery, immerse or expose to water or other liquids, expose to fire, explosion or
other hazard.
• Only use the battery for the system for which it is specified.
• Only use the battery with a charging system that has been qualified with the
system per this standard. Use of an unqualified battery or charger may present
a risk of fire, explosion, leakage, or other hazard.
• Do not short circuit a battery or allow metallic conductive objects to contact
battery terminals.
• Replace the battery only with another battery that has been qualified with the
system per this standard, IEEE-Std-1725. Use of an unqualified battery may
present a risk of fire, explosion, leakage or other hazard.
• Promptly dispose of used batteries in accordance with local regulations.
• Battery usage by children should be supervised.
• Avoid dropping the phone or battery. If the phone or battery is dropped,
especially on a hard surface, and the user suspects damage, take it to a service
center for inspection.
• Improper battery use may result in a fire, explosion or other hazard.
9Guidelines for safe and efficient use
• For those host devices that utilize a USB port as a charging source, the host
device’s user manual shall include a statement that the phone shall only be
connected to products that bear the USB-IF logo or have completed the USB-IF
compliance program.
• Always unplug the charger from the wall socket after the phone is fully charged
to save unnecessary power consumption of the charger.
Avoid damage to your ear
• Damage to your hear can occur due to constant exposure to excessive high
sound. We, therefore, recommend that you do not turn on or off the phone near
your ear. We also recommend you be reasonable with the music and volume
level.
• If you listen to music, please ensure that the volume level is adequate, so
that you are aware of your surroundings. This is particularly important when
attempting to cross a street.
10Guidelines for safe and efficient use
Safety instructions
TIA’s Safety Information
This includes complete security information on wireless phones from TIA
(Telecommunications Industry Association).
It’s required, for CTIA Certification, the inclusion in the user manual of text covering
pacemakers, hearing aids and other medical devices. It’s encouraged the use of the
remaining TIA language when relevant.
Exposure to Radio Frequency Signal
Your wireless handheld portable telephone is a lowpower radio transmitter and
receiver. When it is ON, it receives and also sends out radio frequency (RF) signals.
In August, 1996, the Federal Communications Commissions (FCC) adopted
RF exposure guidelines with safety levels for handheld wireless phones. Those
guidelines are consistent with the safety standards previously set by both U.S. and
international standards bodies:
ANSI C95.1 (1992) *
NCRP Report 86 (1986)
ICNIRP (1996)
Those standards were based on comprehensive and periodic evaluations of the
relevant scientific literature. For example, over 120 scientists, engineers, and
physicians from universities, government health agencies, and industry reviewed
the available body of research to develop the ANSI Standard (C95.1).
* American National Standards Institute; National Council on Radiation Protection
and Measurements; International Commission on Non-Ionizing Radiation
Protection.
The design of your phone complies with the FCC guidelines (and those standards).
Phone Operation
NORMAL POSITION: Hold the phone as you would any other telephone with the
antenna pointed up and over your shoulder.
11Safety instructions
Suggestions for a more efficient operation
For your phone to operate most efficiently:
• Do not touch the antenna unnecessarily, when the phone is in use. The contact
with the antenna affects call quality, and may cause the phone to operate at a
higher power level than otherwise would be need.
Driving
Check the laws and regulations related to the use of wireless phones in the areas
where you drive. Always obey these regulations. Also, if using your phone while
driving, make sure to:
• Pay full attention to driving; driving safely is your first responsibility;
• Use hands-free operation, if available;
• Pull off the road and park, before making or answering a call, if driving
conditions demand so.
Electronic Devices
Most modern electronic equipment is shielded from RF signals.
However, certain electronic equipment may not be shielded against the RF signals
from your wireless phone.
Pacemaker
The Medical Industry Manufacturers Association recommends a minimum distance
of fifteen (15) centimeters, or six (6) inches, between a handheld wireless phone
and a pacemaker, in order to avoid potential interference between them.
These advices are consistent with independent researches, and with
recommendations based on wireless technology research.
People with pacemakers should:
• ALWAYS keep the phone at least fifteen centimeters (six inches) from their
pacemaker, whenever the phone is turned on;
• Not carry the phone in a shirt pocket;
• Use the ear opposite to the pacemaker, to minimize the potential interference;
• If you have any reason to suspect that interference is taking place, switch off
your phone immediately.
12Safety instructions
Hearing Aids
Some digital wireless phones may interfere with some hearing aids. In the event of
such interference, we recommend that you contact your service provider.
Other Medical Devices
If you use any other personal medical devices, consult your device manufacturer to
determine if they are adequately shielded from external RF energy. Your doctor can
help you obtain this information.
Health Care Facilities
Turn off your phone in health care facilities, whenever there are signs asking you to
do so. Hospitals or health care facilities may use equipment that could be sensitive
to external RF energy.
Vehicles
RF signals may affect improperly installed or inadequately shielded devices in motor
vehicles.
Check with the manufacturer, or its representative, regarding your vehicle.
You should also consult the manufacturer about any equipment that has been
added to your vehicle.
Facilities with signs
Turn off the phone in any facility where warning signs request you to do so.
Airplanes
FCC regulations prohibit the use of phones while in the air. Turn off your phone
before boarding an airplane.
Blasting Areas
To avoid interfering with blasting operations, turn your phone off when in a
‘blasting area’ or in areas with signs that read: ‘Turn off two-way radios’ . Obey all
signs and instructions.
13Safety instructions
Potentially Explosive Atmosphere
Turn off the phone when in an area with a potentially explosive atmosphere, and
obey all signs and instructions.
Sparks in such areas could cause an explosion or fire that could result in personal
injury or death.
Areas with a potentially explosive atmosphere are often clearly marked, but not
always. Among the potentially dangerous areas are:
Fueling areas (such as gas stations), areas below deck on boats, facilities where
chemical products are transferred or stored, vehicles using liquefied petroleum gas
(as propane or butane), areas where the air contains chemicals or particles (such
as grain, dust or metal powders), and any other areas where you would normally be
advised to turn off your vehicle engine.
For vehicles equipped with air bags
Air bags inflate with strong force. Do not place objects in the area over the air bag
or in its deployment area, including wireless equipment, either installed or portable.
Serious injuries could occur if wireless equipment is improperly installed into the car
when the air bag inflates.
Safety Information
Read and observe the following information for the safe and proper use of your
phone, and to prevent any damage.
Also, keep the user’s guide in an accessible place at all times after reading it.
Charger, Adapter and Battery Security
• The charger and adapter are designed only for indoor use.
• Dispose of your battery properly, or bring it to your wireless provider for
recycling.
• The battery doesn’t need to be fully discharged before recharging.
• Only use LG approved chargers that are specifically made for your phone model,
since they are designed to maximize the battery life.
• Do not disassemble or short-circuit it.
• Keep the metal contacts on the battery clean.
14Safety instructions
• Replace the battery when it no longer provides acceptable performance. The
battery can be recharged several hundred times before replacement.
• Charge the battery after long periods without use to maximize its life.
• The battery life will vary depending on usage patterns and environmental
conditions.
• Intensive use of backlighting, browser, and packet data connectivity affect
battery life and talk/standby times.
• The role of self-protection interrupts the phone when its operation is in an
abnormal state. In this case, remove the battery from the phone, reinstall it, and
turn on the phone.
Explosion, Shock and Fire Danger
• Do not place the phone in a place exposed to excessive dust, and keep the
minimum required distance between the power cord and heat sources.
• Unplug the power cord before cleaning the phone, and clean the power plug
whenever it is dirty.
• When using the power plug, make sure it is firmly connected. Otherwise, it can
overheat or start a fire.
• Placing the phone in a pocket or bag without covering the receptacle (power
plug pin), metallic articles (such as a coin, clip or pen) may short-circuit the
phone. Always cover the receptacle when not in use.
• Do not short-circuit the battery. Metal items, such as coins, paper clips, or pens,
in your pocket or bag may cause a shortcircuit between the + and - terminals of
the battery (metal strips on the battery). The short-circuit of the terminals may
damage the battery and cause an explosion.
General Notice
• Using a damaged battery, or inserting it into the mouth can cause serious
injuries.
• Do not place the phone in proximity to items containing magnetic components,
such as credit cards, calling cards, bank books, or subway tickets. The phone
magnetism may damage the data stored in the magnetic strip.
• Talking on the phone for a long period of time may reduce call quality, because
of the heat generated during use.
15Safety instructions
• When the phone has not been in use for a long time, store it in a safe place,
with the power cord unplugged.
• Using the phone close to a receiving equipment (such as TV or radio) may cause
interference.
• Do not immerse your phone in water. If this happens, immediately turn it off and
remove the battery. If your phone does not work, take it to an LG Authorized
Service Facility.
• The power supply contains elements that could be harmful to your health, if
components are handled directly. If this happens, we recommend immediate
hand-washing.
• Do not paint the phone.
• Data stored in your phone might be deleted due to careless use, hardware
repair or software upgrade. Please backup your important phone numbers
(ringtones, text or voice messages, images, and videos might also get deleted).
The manufacturer is not liable for damages due to loss of data.
• When using the phone in public places, you may set the ringer on vibrate to
avoid disturbing others.
• Do not switch the phone on/off while it is in your ear.
• Repairs under warranty, at LG’s discretion, may include replacement parts
or boards that are either new or reconditioned, provided that they have
functionality equal to that of the parts being replaced.
Ambient temperatures
Useyourphoneintemperaturesbetween0ºCand35ºC,ifpossible.Exposing
your phone to extremely low or high temperatures may result in damage,
malfunction, or even explosion.
16Safety instructions
01
Custom-designed
Features
Second screen
Second screen overview
Second screen lets you open apps and see urgent info without searching
for it on the main screen. Customise the screen with apps and info you
need.
You can set it to be enabled when the screen is on and off.
Using the device with the main screen off
You can view the current time, date or notifications without turning on
the device, and launch functions such as Quick Tools, music player and
more.
Tap Settings Display Second screen Show when main
1
screen off.
Configure the options as desired.
2
Custom-designed Features 18
Expandable notifications
When a notification comes in, tap the expandable view icon to view the
notification.
Direct reply
When you receive a notification, you can reply to the recipient from the
Second screen without closing the current app.
When the notification comes in on the Second screen, tap the arrow icon,
then reply to the recipient.
Custom-designed Features 19
Signature Wallpaper
You can create a personalised lock screen wallpaper by using the first
letter of your signature from the Second screen.
Tap Settings Display Lock screen Wallpaper Signature
1
Wallpaper, then tap .
Enter your signature and tap SAVE to save the setting.
2
• The first letter of your signature is displayed on the locked screen.
Tap SET WALLPAPER to set the wallpaper.
3
• Tap Settings Display Lock screen Select screen lock, and
select a screen lock method.
• This feature is disabled if the screen lock is set to None.
Customising the Signature Wallpaper Signature wallpaper on the lock screen
Custom-designed Features 20
Video recording features
Standard angle icon Wide-angle icon
Standard angle icon Wide-angle icon
Wide-angle camera
You can take photos or record videos with a wider range than your actual
field of vision by using the wide-angle on the front and rear camera.
Launch the Camera app, then tap
between the standard and wide-angle.
Front camera
Rear camera
/ or / to switch
• See
Starting the camera
Custom-designed Features 21
for details.
Steady recording
You can use the Steady recording feature to minimise motion blur while
recording a video.
Launch the Camera app, then tap AUTO (A) or MANUAL ( )
Steady recording .
• See
Starting the camera
• This feature is unavailable in the following cases:
- Video size limitation: Resolution is set as UHD 16:9.
- FPS limitation: FPS is set as 1 FPS, 2 FPS, or 60 FPS.
for details.
Hi-Fi video recording
Record high quality videos by capturing higher quality sound with a wider
dynamic frequency range using 3 sensitive AOP (Acoustic Overload Point)
mics and incredible Hi-Fi Recording.
Launch the Camera app, then tap MANUAL (
• See
Starting the camera
• Hi-Fi videos can only be played in apps that support Hi-Fi.
• This feature is unavailable when you use the front camera.
for details.
) Hi-Fi .
Custom-designed Features 22
Tracking focus while using the camera
You can track and maintain focus on an object while taking photos or
recording videos.
Launch the Camera app, then tap Tracking focus.
1
Before recording a video or taking a photo, lightly tap the screen to
2
select an object to focus on.
Take the photo or start recording your video.
3
• See
Starting the camera
• To use this feature, select the standard camera ( ) for taking photos
or recording videos.
• This feature is unavailable when you use the front camera or the wide-
angle camera for taking a photo or recording a video.
• This feature is unavailable in the following cases:
- Video size limitation: Resolution is set as UHD 16:9.
- FPS limitation: FPS is set as 60 FPS.
for details.
Custom-designed Features 23
Audio recording features
HD Audio Recorder overview
You can configure the audio settings manually so that you can record
audio based on the settings optimised for the selected mode.
Recording modes
You can record a highly defined audio file by selecting and configuring the
audio mode to suit the recording environment.
Tap HD Audio Recorder.
CUSTOM
You can configure the desired settings to record audio.
CONCERT
You can record audio in a concert or other music events.
NORMAL
You can record audio without extra settings.
Custom-designed Features 24
Studio mode
You can play an audio file and record your voice at the same time.
You can record your voice along with the background music you selected.
You can also create a chord by recording your voice multiple times.
You can record your comments over the original audio file of the presenter
or speaker.
Tap HD Audio Recorder.
1
On the Second screen, select CUSTOM.
2
Tap .
3
Select an audio file to use as background music.
4
Tap to record voice.
5
Tap to save the recorded file.
6
• Background music can only be played through earphones. Make sure to
plug in earphones before using this feature.
Custom-designed Features 25
Other useful features for use of the HD Audio
Recorder app
GAIN
You can adjust the sensitivity of the sound recorded by the microphone.
The higher the GAIN value is set, the more sensitively the sound is
recorded.
LCF
You can filter any low-pitched noises such as the low hum of the air
conditioner.
The higher the LCF (Low Cut Filter) value is set, the better high-frequency
noises are filtered.
LMT
It can prevent clipping of the recorded sound. The higher the LMT (Limiter)
value is set, the more low frequency sounds that will not get clipped.
• With one of the three recording modes selected, tap Settings, then
customise the file type, bit depth, sampling rate and other settings.
• When you connect the earpiece to the device, appears. Tap and
then select the microphone to use.
• You can monitor sound quality with the connected earpiece while
recording an audio. While recording an audio in Studio mode, the sound
monitoring is not supported. You can hear only the background music.
Custom-designed Features 26
Multi-tasking feature
Multi-Window
You can use two apps at the same time by separating the screen into the
multiple windows.
While using an app, touch and hold
then select an app from the recently used apps list.
• You can use two apps displayed on the main screen at the same time.
• To stop the Multi-Window feature, touch and hold .
• You can use this feature in an app that supports the Multi-Window
feature.
• The Multi-Window feature is not supported by some apps, including
downloaded apps.
from the Home touch buttons,
Custom-designed Features 27
Overview screen
The Overview screen provides a preview of your recently used apps.
To view the list of recently used apps, tap on the Home, then tap the
displayed app.
• Touch and hold an app and drag it to the top of the screen to start the
app with the Multi-Window. You can also tap at the top of each app.
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 the locked content in the Gallery or QuickMemo+.
• Confirm a purchase by signing in to an app or identifying yourself with
your fingerprint.
• Your fingerprint can be used by the device for user identification.
Very similar fingerprints from different users may be recognised by
the fingerprint sensor as the same fingerprint. To enhance the device
security, set the screen lock to a pattern, PIN or password.
Custom-designed Features 28
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