LG G420 Users manual
ENGLISH
MFL00000000 (1.0) www.lg.com
USER GUIDE
LG-G420
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.
• Some content and illustrations may differ from your device
depending on the region, service provider, software version, or OS
version, and are subject to change without prior notice.
• Always use genuine LG accessories. The supplied items are
designed only for this device and may not be compatible with
other devices.
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.
ENGLISH
2
01
Basic Functions
18 Product components and
accessories
19 Parts overview
21 Turning Your Phone On and
Off
21 Installing the SIM Cards
24 Charging the phone
02
Useful Apps
26 Calls
28 Contacts
29 Messaging
32 Organizer
33 Camera
34 Multimedia
36 Internet
3 Guidelines for safe and efficient use
10 Safety instructions
03
Phone Settings
38 Profiles
38 Display
39 Phone
40 Call
42 Connectivity
43 Dual SIM setting
43 Restore settings
04
Appendix
45 FAQ
47 More information
Table of contents
3Guidelines for safe and efficient use
Guidelines for safe and efficient
use
Read before use
• To purchase optional items, contact the LG Customer Information Centre
for available dealers.
• The appearance and specifications of the device are subject to change
without notice.
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 in this user’s guide could void your warranty for 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
may expose it to temperatures below 0°C or above 40°C, such as outdoor
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).
4Guidelines for safe and efficient use
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.
• Never store your phone in temperatures lower than -20°C or higher than
50°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.
5Guidelines for safe and efficient use
• 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.
• 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.
• Do not use the product in places where it may be exposed to humidity or
steam. (bathroom, shower, sauna, etc.) this exposition may cause damage
for your device and may be not covered by the warranty.
• Damages caused by misuse, including but not limited to intentionally
bending or continually exerting force on the product, may lead to
permanent damage to the display and/or other parts and functions of
the phone. We therefore recommend that you do not use this product
inside the back pocket and sit down on it or inside the jeans pocket. This
bending may cause damage for your device and may be not covered by the
warranty.
6Guidelines for safe and efficient use
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 highest SAR value for this phone FCC tested for use in the ear is 0.44 W/kg,
and when worn on the body-worn is 0.47 W/kg.
The design of this phone complies with FCC guidelines and international standards
FCC Part 15.19 Statements
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.
Part 15.21 statement
Any changes or modifications not expressly approved by the manufacturer
could void the user’s authority to operate the equipment.
Part15.105 statement
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation.
7Guidelines for safe and efficient use
If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Body effects
This device was tested for typical body operation, keeping a distance of 15
mm between the user’s body and the back of the phone. To comply with RF
exposure requirements of the FCC standards, a minimum distance of 15
mm between the user’s body and the back of the phone is required.
Any beltclips, holsters, and similar accessories containing metallic
components may not be used. Body-worn accessories that cannot maintain
15mm separation distance between the user’s body and the back of the
phone, and have not been tested for typical body-worn operations may not
comply with FCC/IC RF exposure limits and should be avoided.
Battery Precautions
• Do not disassemble.
• Do not short-circuit.
• Do not expose to high temperatures, over 60 °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.
• 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.
• 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.
9Guidelines for safe and efficient use
• 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.
10Safety instructions
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.
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.
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