These labels show degree of risk from improper use.
1 Serious injury: This refers to loss of sight, injury, burns (high- and low-temperature), electric shock,
broken bones, injuries with residual aftereffects from poisoning, etc., and injuries requiring hospital
admission for treatment or long-term hospital attendance as an outpatient.
2 Minor injury: This refers to injuries, burns (high- and low-temperature), electric shock, etc. that do
not require hospital admission for treatment or long-term hospital attendance as an outpatient.
3 Property damage: This refers to extended damage to buildings, furniture, livestock, pets, etc.
These symbols signify prohibited/compulsory actions.
Prohibited actions
Disassembly prohibited
Exposure to liquids prohibited
Use with wet hands prohibited
Compulsory actions
Unplug from outlet
Handset, SIM Card, TV Antenna, AC Adaptor
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(Sold Separately), Micro USB Cable (Optional
Accessory), SD Card (Sold Separately) (Common)
Do not use, store, or leave in extreme heat or where heat collects, such as fire, heat sources,
under a kotatsu (blanketed warming table) or blanket, direct sunlight, inside vehicles in the hot
sun, etc.
May cause fire, burns, injury, electric shock, etc.
Keep away from cooking appliances (microwave ovens, induction stoves, etc.) and pressure
vessels (e.g., pressure cookers).
May cause fire, burns, injury, electric shock, etc.
Do not subject to or place directly on sand, soil, or mud. Do not touch with dirty hands.
May cause fire, burns, injury, electric shock, etc.
For details on water and dust resistance, see "Water & Dust Resistance."
Do not charge handset while it is wet with water or other liquids (drinking water, sweat, sea
22
water, pet urine, etc.).
May cause fire, burns, injury, electric shock, etc.
For details on water and dust resistance, see "Water & Dust Resistance."
Do not disassemble or modify.
May cause fire, burns, injury, electric shock, etc.
Do not wet with water or other liquids (drinking water, sweat, sea water, pet urine, etc.).
May cause fire, burns, injury, electric shock, etc.
For details on water and dust resistance, see "Water & Dust Resistance."
Do not let water or other liquids (drinking water, sweat, sea water, pet urine, etc.) enter
charging terminals or External Connection Jack.
May cause fire, burns, injury, electric shock, etc.
For details on water and dust resistance, see "Water & Dust Resistance."
Use optional accessories specified by Y!mobile. Failure to
do so may cause fire, burns, injury, electric shock, etc.
Do not drop, stomp, throw or subject to excessive force or strong impact/vibration.
May cause fire, burns, injury, electric shock, etc.
Keep conductive materials (metal strip, pencil lead, etc.) away from charging terminals and
External Connection Jack. Do not let dust enter them.
May cause fire, burns, injury, electric shock, etc.
Do not cover/wrap with a blanket, etc. while using or charging.
23
May cause fire, burns, etc.
If charging continues even after specified Charging Time, stop charging.
Failure to do so may cause fire, burns, injury, etc. due to overcharge or for other reasons.
Before entering an area with a risk of flammable gas generation (e.g., a gas station) or where
dust is generated, be sure to power off handset and stop charging.
Failure to do so may cause explosion, fire, etc.
When using Osaifu-Keitai® at a gas station or similar facility, be sure to power off handset beforehand.
(If NFC/Osaifu-Keitai lock is set, disable it before powering off.)
If there is abnormal odor/sound, smoke, overheating, discoloration, distortion, or other
abnormalities, follow these steps.
・Unplug from the outlet.
・Power off handset.
Failure to follow the above steps may cause fire, burns, injury, electric shock, etc.
Do not use if broken.
May cause fire, burns, injury, etc.
Do not place on unstable surfaces; take added care when vibration is set.
Handset or related hardware may fall, resulting in injury, etc.
Do not use or store in a location that is subject to excessive dust, high humidity, or high
temperatures.
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May cause fire, burns, electric shock, etc.
For details on water and dust resistance, see "Water & Dust Resistance."
For use by a child, explain instructions and supervise use.
Failure to do so may cause injury, etc.
Do not leave within the reach of small children.
May cause accidental swallowing, injury, electric shock, etc.
Handset may become hot if used continuously for an extended period or while charging. Be
careful of prolonged contact even by accident such as falling asleep.
Handset or AC Adaptor may become hot after prolonged use of applications, call functions, data
communication, TV/video viewing functions, etc. or while charging. Prolonged direct contact with hot
parts may cause skin irritation, itchiness, rashes, low-temperature burns, etc. depending on your
physical condition.
Handset
Do not throw into a fire or apply heat.
Internal Battery may ignite, burst, overheat, or leak, causing fire, burns, injury, etc.
Do not apply excessive force; do not puncture with a nail or other sharp-pointed object, hit
with a hammer or other hard object, or stomp.
Internal Battery may ignite, burst, overheat, or leak, causing fire, burns, injury, etc.
If substances in Internal Battery get in eyes, do not rub; rinse with clean water and consult a
doctor immediately.
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Eye contact with substances in Internal Battery may cause loss of sight or other physical harm.
If substances in Display get in eyes or mouth, do not rub; rinse with clean water and consult a
doctor immediately.
Substances in Display may cause loss of sight or other physical harm.
Do not shine Mobile Light close to eyes. Maintain a safe distance, especially from small
children.
May cause visual impairment or other problems; may temporarily affect eyesight or startle, leading to
injury or other accident.
Do not point Mobile Light at drivers when it is turned on.
May hinder driving performance, leading to an accident.
Do not stare at Display for a long period when it is flickering.
May cause spasms, loss of consciousness, etc.
Do not let water or other liquids (drinking water, sweat, sea water, pet urine, etc.) or a foreign
object (metal strip, flammable material, etc.) enter USIM Card Slot or SD Card Slot.
In addition, insert USIM Card and SD Card into correct openings in correct orientation.
May cause fire, burns, injury, electric shock, etc.
Do not expose Camera lens to direct sunlight for an extended period.
May cause fire, burns, injury, etc. due to light-collecting mechanism of the lens.
Power off handset or activate Airplane mode before boarding an airplane.
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Handset use on airplanes is restricted; follow the instructions given by the respective airlines.
Handset use may adversely affect an airplane's electronic devices.
If you engage in a prohibited activity while using handset on an airplane, you may be punished by law.
Regarding handset use in a hospital, follow the instructions given by the respective medical
institution.
Power off handset where handset use is prohibited.
Handset use may adversely affect operation of electronic devices and electronic medical devices.
When you are on a handsfree call, while ringtone is playing, when in standby, etc., be sure to
keep handset at a safe distance from your ears.
When you attach earphones-microphone to handset and play games, videos, or music, adjust
the volume to a comfortable level beforehand.
Excessive volume and prolonged, continuous use of earphones-microphone may impair hearing.
In addition, not being able to hear surroundings may cause an accident.
If you have a weak heart, adjust ringtone vibration and volume as needed.
Failure to do so may adversely affect your heart.
If you are using an electronic medical device, check with its manufacturer or vendor on radio
wave effects before using handset.
Handset use may adversely affect operation of electronic medical devices.
Power off handset near electronic devices that employ high precision control systems or weak
signals.
Handset use may cause electronic devices to malfunction or may adversely affect the operation.
Take added care near these devices: Hearing aids, implanted pacemakers/defibrillators and other
electronic medical devices; other automatic control devices. If you are using an electronic medical
device such as an implanted pacemaker/defibrillator, check with its manufacturer or vendor on radio
wave effects.
If Display or Camera lens breaks, be careful with shards of broken tempered glass and
27
exposed handset parts.
Touching the broken or exposed parts may cause burns, injury, electric shock, etc.
If Internal Battery leaks or there is abnormal odor, discontinue use immediately and keep
sources of flame away.
Leaked fluid may catch fire, causing the battery to ignite, burst, etc.
Do not let your pet bite handset.
Internal Battery may ignite, burst, overheat, or leak, causing fire, burns, injury, etc.
Do not swing handset grasping strap.
May result in hitting yourself, other persons, or nearby objects, causing injury or other accident.
When using the motion sensor and electromagnetic sensor, make sure of the safety around
you and hold handset firmly; do not swing with excessive force.
Failure to do so may cause injury or other accident.
If Display breaks and internal substances leak, do not let them come into contact with skin
(face, hands, etc.) or clothes.
May cause loss of sight, skin damage, etc.
If internal substances get in eyes or mouth or if they come into contact with skin or clothes, rinse with
clean water immediately.
In case of contact with eyes or mouth, consult a doctor immediately after rinsing.
Do not dispose of handset with regular trash.
May cause fire, burns, injury, etc. due to ignition; may adversely affect the environment. When
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handset is no longer needed, take it to a Y!mobile shop, or follow the local regulations regarding
handset collection.
If substances in Internal Battery leak, do not let them come into contact with skin (face, hands,
etc.) or clothes.
May cause loss of sight, skin damage, etc.
If internal substances get in eyes or mouth or if they come into contact with skin or clothes, rinse with
clean water immediately.
In case of contact with eyes or mouth, consult a doctor immediately after rinsing.
Before using handset in a vehicle, check with the manufacturer or dealer of the vehicle on
radio wave effects.
In rare cases, handset use may adversely affect operation of on-vehicle electronic devices, depending
on the type of vehicle. If this occurs, discontinue use immediately.
For any skin abnormalities associated with handset use, discontinue use and consult a doctor
immediately.
Handset use may cause itchiness, skin irritation, rashes, etc. depending on your physical
condition.
For details on materials used for handset parts, see "Materials."
Earpiece, Speaker, and Camera have magnetic parts; make sure that no metal strip (a craft
knife blade, staple, etc.) is adhered.
Metal strip on handset may cause injury, etc.
See Display in a sufficiently bright place at a reasonable distance.
Seeing in a dark place or at a close distance may deteriorate vision or cause other problems.
AC Adaptor (Sold Separately)
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Do not use AC Adaptor if the cord is damaged.
May cause fire, burns, electric shock, etc.
Do not use AC Adaptor in high humidity (e.g., in bathrooms).
May cause fire, burns, electric shock, etc.
Do not touch AC Adaptor if thunder is audible.
May cause electric shock, etc.
Do not short-circuit charging terminals when AC Adaptor is plugged into the outlet. In addition,
keep your hands and other body parts away from charging terminals.
May cause fire, burns, electric shock, etc.
Do not place a heavy object on top of AC Adaptor cord; do not apply excessive force by pulling,
etc.
May cause fire, burns, electric shock, etc.
When plugging/unplugging AC Adaptor into/from the outlet, keep metal objects (e.g., metal
straps) away.
Failure to do so may cause fire, burns, electric shock, etc.
Do not use AC Adaptor with a voltage converter designed for overseas travel.
May cause ignition, overheating, electric shock, etc.
When AC Adaptor is connected to handset, do not apply excessive force to the connection.
30
May cause fire, burns, injury, electric shock, etc.
Do not touch AC Adaptor cord, charging terminals, or power plug with wet hands.
May cause fire, burns, electric shock, etc.
Use at the specified power supply voltage.
When charging handset overseas, use AC Adaptor designed for overseas use.
Use at other power supply voltages may cause fire, burns, electric shock, etc.
AC Adaptor: AC 100 V (connect to a household AC outlet only)
AC Adaptor designed for overseas use: AC 100 V - 240 V (connect to a household AC outlet only)
Clean off dust on plug.
Using Charger when dust is on plug may cause fire, burns, electric shock, etc.
Plug AC Adaptor into the outlet firmly.
Failure to do so may cause fire, burns, electric shock, etc.
When unplugging from the outlet, grasp AC Adaptor and pull, without forcefully pulling cord.
Pulling the AC Adaptor cord may damage the cord, causing fire, burns, electric shock, etc.
When inserting/removing Micro USB plug into/from handset, insert/remove it straight into/from
Jack, without forcefully pulling cord.
Inserting/removing in an incorrect orientation may cause fire, burns, injury, electric shock, etc.
If charging terminals become bent or deformed, discontinue use immediately. In addition, do
not use AC Adaptor by restoring the terminals to their original state.
May cause fire, burns, injury, electric shock, etc. due to short-circuiting of charging terminals.
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Unplug AC Adaptor from the outlet when not in use.
Leaving it plugged in may cause fire, burns, injury, electric shock, etc.
If water or other liquids (drinking water, sweat, sea water, pet urine, etc.) enter, unplug from the
outlet immediately.
Failure to do so may cause fire, burns, electric shock, etc.
Before cleaning, unplug AC Adaptor from the outlet.
Cleaning AC Adaptor without unplugging it may cause fire, burns, electric shock, etc.
Do not touch AC Adaptor for long periods when it is plugged into the outlet.
May cause burns, etc.
SIM Card
When handling USIM Card, be careful with cut edges so as not to damage your hands or other
body parts.
May cause injury, etc.
TV Antenna
If there is abnormal odor/sound, smoke, overheating, discoloration, distortion, or
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other abnormalities, disconnect TV Antenna.
Failure to do so may cause fire, burns, injury, electric shock, etc.
When disconnecting TV Antenna from handset, grasp plug and pull, without forcefully
pulling cord.
Pulling the cord may damage the cord, causing fire, burns, electric shock, etc.
Do not touch TV Antenna if thunder is audible. May
cause electric shock, etc.
Do not place a heavy object on top of TV Antenna; do not apply excessive force by
pulling, etc.
May cause fire, burns, electric shock, etc.
When connecting/disconnecting TV Antenna to/from handset, keep metal objects (e.g., metal
straps) away.
Failure to do so may cause fire, burns, electric shock, etc.
Do not touch TV Antenna with wet hands. May
cause fire, burns, electric shock, etc.
TV Antenna is not water or dust proof.
Do not use or store in a location that is subject to excessive dust, high humidity, or high
temperatures.
May cause fire, burns, electric shock, etc.
Handset Use & Electronic Medical Devices
33
If you are using an electronic medical device (implanted pacemaker, implanted defibrillator,
etc.), carry or use handset at least 15 cm away from where the device is.
Radio waves may adversely affect operation of electronic medical devices.
Before using an electronic medical device other than an implanted pacemaker or implanted
defibrillator outside a medical institution (for home treatment, etc.), check with its
manufacturer on radio wave effects.
Radio waves may adversely affect operation of electronic medical devices.
In a situation where you may not be able to maintain a distance of at least 15 cm from other
persons, such as when your movement is restricted, disable radio wave emission by activating
Airplane mode, powering off handset, etc.
There may be persons with an electronic medical device (implanted pacemaker, implanted defibrillator,
etc.) nearby. Radio waves may adversely affect operation of electronic medical devices.
Regarding handset use in a medical institution, follow the instructions given by the medical
institution.
Handset use may adversely affect operation of electronic medical devices.
Important Product Information
34
General Use
Heat from Handset Use
Camera
TV
In-Call/Transmission Cautions
Urgent News (Application)
Technical Regulations Conformity Certification
Voluntary Control of Radio Interference
General Use
If your USIM Card or handset (with USIM Card inserted) is lost or stolen, suspend your service
immediately. For details, contact Y!mobil Customer Support, General Information.
Handset transmissions may be disrupted inside buildings, tunnels or underground, or when
moving into/out of such places; may affect calls.
Use handset without disturbing others.
Handsets are radios as stipulated by the Radio Law. Under the Radio Law, handsets must be
submitted for inspection upon request.
Charging by USB takes longer than by household AC outlet. Charging may not be possible/take a
long time depending on connection and computer conditions.
Handset use near landlines, TVs or radios may cause interference.
Beware of eavesdropping.
Because this service is completely digital, the possibility of signal interception is greatly reduced.
However, some transmissions may be overheard.
・Eavesdropping
Deliberate/accidental interception of communications constitutes eavesdropping.
Beware of harmful/malicious websites. Take added care when posting personal information.
Display uses liquid crystal.
When wearing polarized sunglasses and depending on the angle, the screen may appear dark or
distorted.
An export license may be required to carry handset into other countries if it is to be used by or
transferred to another person. However, no such license is required when taking handset abroad
for personal use on a vacation or business trip and then bringing it back.
Export control regulations in the United States provide that an export license granted by the US
35
government is required to carry handset into Cuba, Iran, North Korea, Sudan or Syria.
Heat from Handset Use
Handset internal temperature may increase depending on usage or environment, causing handset
to become warm. (Handset may stop charging or Display brightness may be adjusted for safety.)
If handset continues to be used while warm, warning appears and handset powers off after
approximately 3 minutes. Exit all applications and turn off Display to let handset cool down.
Continuing to use Camera while handset is warm causes warning to appear, after which Camera
saves captured image data and exits.
Camera
Mind etiquette when using Camera.
Test Camera before shooting special moments.
Do not use Camera in places where shooting is prohibited.
Shot images may not be used/transferred without copyright holder (photographer) permission,
except for personal use.
TV
Handset transmissions may be disrupted inside buildings, tunnels or underground, or when
moving into/out of such places; may affect TV viewing.
As handset transmissions differ according to where used, TV viewing may not be possible in some
areas. View in a location with good handset transmission.
In-Call/Transmission Cautions
During calls/transmissions, calling/transmission charges/fees apply even if other functions or
operations are simultaneously in use.
Transmissions involving JavaScript may incur high charges.
Urgent News (Application)
36
Urgent News is enabled by default (handset receives alerts).
Alert tones are muted in Manner mode.
Alerts are not received during calls/transmissions or in poor signal conditions.
(Alerts can be received during voice calls over VoLTE.)
Depending on usage/situation, handset may receive alerts for other areas or no alerts.
Standby Time may decrease when Urgent News is enabled.
Y!mobile cannot be held liable for any damages associated with this service, including
accidents resulting from received information, reception timing or reception failure.
Technical Regulations Conformity Certification
Handset conforms to technical regulations pursuant to the Radio Law and the Telecommunications
Business Law. To check technical regulations conformity certification information (e.g., ):
In Home Screen, (Settings) About phone Regulatory labels
Voluntary Control of Radio Interference
Handset conforms to technical regulations pursuant to the Rules for Voluntary Control Measures of
VCCI; the corresponding conformity mark is shown on electronic rating plate on handset. To check
the electronic rating plate:
In Home Screen, (Settings) About phone Regulatory labels
Handset & Hardware Care
37
Handset & Hardware Care
SIM/SD Card Insertion/Removal
Display (Touchscreen)
TV Antenna
Earphones-Microphone
Self Check
Forcing Power Off
Bluetooth® Function
Wi-Fi (Wireless LAN)
Handset & Hardware Care
Use handset within 5
For use in bathrooms, see "Cautions for Use in a Bathroom."
Avoid extreme temperature or direct sunlight.
Handset/Internal Battery may become warm during operation or while charging. This is normal.
Warranty does not cover malfunctions resulting from misuse.
Clean handset with a soft dry cloth. Alcohol/solvent use may fade color/print.
Avoid scratching Display.
Avoid heavy objects or excessive pressure. May cause malfunction or injury.
・Do not sit on handset in back pants pocket.
・Do not place heavy objects on handset inside handbags, packs, etc.
Handset back cover is not removable. Do not try to remove it; may cause damage or malfunction,
or affect water and dust resistance.
Connect only specified products to Jacks. Other devices may malfunction or cause damage.
Do not power off while using SD Card; may result in data loss or malfunction.
When walking outside, moderate handset volume to avoid accidents.
o
C - 35oC and 35% - 90% humidity.
If thunder is audible while outdoors, discontinue use; there is a risk of lightning strike or electric
shock.
When holding handset, do not block Earpiece, Mic, Speaker, or Recorder Mic.
Proximity Sensor prevents Touchscreen misoperation during calls. Do not cover or place a
sticker/label over Proximity Sensor; Display may remain off during calls, disabling handset
operation.
38
If your hair is between Earpiece and your ear during calls, Proximity Sensor may not function
properly.
Display may remain on; touching Display accidentally may end the call.
Do not cover Light Sensor or place a sticker/label over it; may hinder ambient light detection,
resulting in malfunction of Light Sensor.
Handset Earpiece is located at the center of Display upper end. If other party's voice is hard to
hear during calls, hold handset so that Earpiece is next to your earhole for better audibility.
SIM/SD Card Insertion/Removal
Open Card Slot Cap by hooking a finger on notch
Insert/remove SIM/SD Card
Insert SIM Card and SD Card into correct openings in correct orientation.
39
SIM Card Insertion/Removal
・Always power off before insertion/removal.
・Set SIM Card in SIM Tray beforehand. Do not insert USIM Card without setting it in SIM Tray.
・Place SIM Card in SIM Tray, noting its orientation; align notches with IC (gold) chip facing up.
・Make sure SIM Card is in SIM Tray. Inserting SIM Tray with SIM Card on its edge may cause
damage.
・Do not insert SIM Tray upside down.
・When removing SIM Tray, do not pull it forcefully or at an angle; damage may result. Gently pull it
out horizontally from the edge.
・When inserting empty SIM Tray, do not insert it at an angle; damage may result. Check
orientation of SIM Tray, then gently insert it all the way horizontally.
SD Card Insertion/Removal
・Unmount SD Card beforehand.
・When removing SD Card, lightly push it in and release finger (SD Card pops out slightly); gently
pull it out horizontally.
Close Card Slot Cap
40
Push Card Slot Cap as shown (and ) to close, then push it firmly all the way from circled
area (○) to hinge as shown () so that there is no gap between handset and Card Slot Cap.
Display (Touchscreen)
Handset Display is Touchscreen.
If Display is wet, wipe it with a soft cloth.
Touchscreen may not respond in these situations:
・Use with gloves/long fingernails
・Use of pens, pencils or sharp objects
・Use with objects on/against Display
・Use while wet
To prevent malfunctions, do not:
・Touch Display with wet fingers
・Use if Display is wet
・Subject Display to force/pressure
・Place a sticker or shield (commercially-available protective film, privacy protector shield, etc.) on
Display
In the following cases, Pressto turn off Display, Press again to turn on Display and
then operate handset.
・Handset operates automatically without touch input
・Handset does not respond to touch input
Earphones-Microphone
41
Earphones with Mic (SHLDL1) are available for separate purchase. Other earphones-microphone
may not function properly on handset.
Do not subject Earphones-Microphone Jack to strong impact while using earphones-microphone;
may affect water and dust resistance.
Self Check
If handset is unstable, diagnose the cause as follows.
In Home screen, (Settings)About phoneSelf checkFollow onscreen prompts
Forcing Power Off
42
If handset has stopped processing or won't respond to operation, power off forcibly as follows.
(Long Press for at least 8 seconds)
Release finger after vibration; handset powers off.
Bluetooth® Function
Y!mobile is not liable for any damages resulting from data/information leakage due to use of
handset Bluetooth® function.
■Precautions
The frequency band utilized by handset Bluetooth® function is shared with industrial, scientific or
medical equipment, including household microwave ovens, and used by radio stations, amateur
radio stations, etc. (hereafter "other radio stations").
1. Before using Bluetooth®, visually check that no other radio stations sharing the same frequency
band are in use nearby.
2. Should interference occur between handset and other radio stations, move it to a different location
or cancel Bluetooth® function immediately.
3. For additional information and support, contact Y!mobile Customer Support, General Information:
From a Y!mobile handset, call toll free at 157. To call toll free from a landline/IP phone, see
"Customer Service."
・Frequency Band
This radio station utilizes 2.4 GHz band.
FH1 indicates FHSS modulation with maximum transmission radius of 10 meters.
XX4 indicates a different modulation scheme with maximum transmission radius of 40 meters.
It is not possible for the radio station to avoid using the frequency band of a mobile unit identification
apparatus.
Wi-Fi (Wireless LAN)
Wireless LAN (hereafter "Wi-Fi") uses radio waves to enable communication between compatible
devices within range. However, it is advisable for the user to configure security settings to avoid risk
of data interception.
Do not use Wi-Fi near electrical appliances, audiovisual equipment or office automation
43
equipment; may affect Wi-Fi transmission speed, availability, clarity, etc. (Especially when a
microwave oven is in use.)
If there are multiple access points nearby, handset may not detect access points correctly.
■Precautions
The frequency band utilized by handset Wi-Fi is shared with industrial, scientific or medical
equipment, including household microwave ovens, and used by radio stations, amateur radio
stations, etc. (hereafter "other radio stations").
1. Before using Wi-Fi, visually check that no other radio stations sharing the same frequency band
are in use nearby.
2. Should interference occur between handset and other radio stations, move it to a different location
or disable Wi-Fi immediately.
3. For additional information and support, contact Y!mobile Customer Support, General Information:
From a Y!mobile handset, call toll free at 157. To call toll free from a landline/IP phone, see
"Customer Service."
・Frequency Band
This radio station utilizes 2.4 GHz and 5 GHz band with DSSS-OFDM modulation. Maximum
transmission radius is 40 meters.
・Channels in 5 GHz band
Three bands are available within 5 GHz frequency band: 5.2 GHz, 5.3 GHz, and 5.6 GHz (W52, W53,