Docomo Xperia 10 IV User manual

INSTRUCTION MANUAL

Introduction
Thank you for your purchase of "SO-52C".
For proper use of the SO-52C, read this manual
carefully before and while you use the SO-52C.
About manuals
●
"
クイックスタートガイド
(Quick Start Guide)"
(Supplied accessories)
Part names and functions are explained.
●
"Instruction Manual" application (Application of
the terminal) (in Japanese only)
Operations and settings of each function
are explained.
You can search by free word, open a setting
screen or launch an application from a displayed
page, etc. Use the terminal more conveniently with
this application.
[How to use]
From the Home screen,
u
[Instruction Manual].
•
When using for the first time, download and install
the application according to the onscreen
instructions.
•
You can also call up "Instruction Manual"
application from "my daiz".
•
If you uninstall "Instruction Manual" application,
access Google Play from Play Store for installing it
again. From the Home screen, tap [Play Store],
search "
取扱説明書
(Instruction Manual)"
application to select, then operate it following the
onscreen instructions.
●
"Instruction Manual" (PDF file)
Operations and settings of each function are
explained.
It can be downloaded from NTT DOCOMO website.
❖
Note
•
Important information for SO-52C is posted in the
following website. Be sure to check before using.
https://xperia.sony.jp/support/ (in Japanese only)
Operation descriptions
In this manual, key icons (P.55) are described as ,
, .
And operations for selecting icons or items in the key
operations on the screens are described as follows.
❖
Information
•
Please note that "SO-52C" is called as "the terminal"
in this manual.
•
In this manual, the description is written based on
the default state.
"Wi-Fi" no
tsukaikata
"Wi-Fi" wo
setsumeisho apuri
de shirabemasu.
Description Operation
Press and hold the
power key for at
least 1 second.
Press and hold the power key on
the side of the terminal for at
least 1 second.
From the Home
screen,
u
.
From the Home screen, tap ,
and then tap on the next
screen.
From the Home
screen,
u
[Settings]
u
[Display].
From the Home screen, tap ,
and then tap "Settings" on the
next screen and "Display" on the
following screen.
Touch and hold an
icon.
Keep touching an icon longer (1-
2 seconds).

1
•
In this manual, the easier procedure is described for
the functions and settings which have multiple
operating procedures.
•
The terminal may have a software update of the
operating system (OS) for the purpose of quality
improvement or addition of functions. In that case,
operation procedure may change. For the
information about addition of functions or change of
operation procedure, refer to NTT DOCOMO website
And some applications that used in the previous OS
version may not be available or some unintended
bugs may occur.
•
Some applications or services may not be available
depending on your contract. For details, refer to NTT
DOCOMO website.
•
Contact to DOCOMO varies by your contract. For
details on Inquiries, refer to the last page.
•
In this manual, explanations for "docomo LIVE UX" as
Home application are provided (P.81). If you set the
other home application, the operations may differ
from the descriptions.
•
The contents of this manual and written URL are
subject to change without prior notice.
•
Screens and illustrations used in this manual are just
images for explanations and may be different from
the actual ones of the product.
•
Reproduction or reprint of all or part of this manual
without prior permission is prohibited.
•
SO-52C
• クイックスタートガイド
(Quick Start Guide)
(in Japanese only)
• ご利用にあたっての注意事項
(Notes on usage)
(in Japanese only)
You can check or purchase optional devices
(optional) compatible with the terminal in
the DOCOMO online shop.
https://onlineshop.smt.docomo.ne.jp/
options/search.html (in Japanese only)
Supplied accessories

Contents
2
Contents
■
Supplied accessories. . . . . . . . . . . . . . . . . 1
Precautions . . . . . . . . . . . . . . . . . . 4
About using the terminal....................................................4
Recommended features......................................................7
Safety Precautions (Always follow these
directions) .....................................................................................8
Handling precautions.........................................................18
Waterproofness/Dustproofness...................................26
Before using the terminal . . . . 32
Part names and functions................................................32
nano SIM card..........................................................................33
microSD card ...........................................................................36
Charging.....................................................................................39
FCC ID...........................................................................................43
Turning power on/off.........................................................43
Initial settings...........................................................................45
Security codes for the terminal ....................................47
Basic operations . . . . . . . . . . . . 50
Basic operations.....................................................................50
Character entry.......................................................................59
Notification LED .....................................................................65
Screen display and the icons......................................... 65
Task manager...........................................................................71
Split screen................................................................................71
Pop-up window ..................................................................... 73
SuguApp.....................................................................................75
One-handed mode..............................................................79
Searching website information etc............................80
Home screen . . . . . . . . . . . . . . . . 81
Switching the home app................................................. 81
docomo LIVE UX.................................................................... 81
Xperia Home screen............................................................ 89
Simple Home screen .......................................................... 92
Application screen ............................................................... 95
Application list........................................................................ 97
Phone/Phonebook. . . . . . . . . .103
Making/Receiving a call................................................. 103
Operations during a call ................................................ 107
Call history.............................................................................. 108
Call settings ........................................................................... 111
Accessibility........................................................................... 112
Phonebook ............................................................................ 112
Mail/Web browser . . . . . . . . . .117
docomo mail ........................................................................ 117
+Message ............................................................................... 117
Gmail.......................................................................................... 123
Early Warning "Area Mail".............................................. 124
Chrome .................................................................................... 125
Camera/Photos. . . . . . . . . . . . .129
Camera ..................................................................................... 129
Photos....................................................................................... 141

3
Contents
Apps . . . . . . . . . . . . . . . . . . . . . . 142
d
メニュー
(dmenu)............................................................ 142
dmarket .................................................................................... 142
Play Store................................................................................. 143
Osaifu-Keitai........................................................................... 144
Music.......................................................................................... 148
Location services ................................................................ 149
Schedule.................................................................................. 151
Clock........................................................................................... 153
docomo Data Copy ..........................................................155
Settings . . . . . . . . . . . . . . . . . . . 158
Viewing the Settings menu .........................................158
Network & internet............................................................ 159
Device connection ............................................................ 170
Apps ........................................................................................... 171
Notifications .......................................................................... 173
Battery ....................................................................................... 175
Storage...................................................................................... 176
Sound ........................................................................................ 177
Display....................................................................................... 179
Appearance ........................................................................... 182
Wallpaper ................................................................................ 182
Accessibility ........................................................................... 183
Security ..................................................................................... 185
Privacy ....................................................................................... 190
Location ................................................................................... 191
Safety & emergency.......................................................... 192
docomo service/cloud.................................................... 192
Passwords & accounts..................................................... 193
Digital Wellbeing & parental controls ...................195
Google ...................................................................................... 195
System....................................................................................... 196
About phone ........................................................................ 201
File management . . . . . . . . . . .202
Storage structure ............................................................... 202
File operations ..................................................................... 202
Data communication. . . . . . . .204
Bluetooth function............................................................ 204
External device connection. .207
Connecting to PC .............................................................. 207
International roaming . . . . . .208
Overview of International roaming (WORLD
WING) ........................................................................................ 208
Available overseas service............................................ 208
Before using overseas ..................................................... 209
Making/Receiving a call in the place you stay
....................................................................................................... 211
International roaming settings.................................. 214
After returning to Japan ................................................ 216
Appendix . . . . . . . . . . . . . . . . . .217
Troubleshooting................................................................. 217
Software Update ................................................................ 225
Warranty and After Sales Services ........................... 228
Main specification ............................................................. 232
Certificate and compliance ......................................... 235
Specific Absorption Rate of Mobile Phone, etc.
....................................................................................................... 236
Export Controls and Regulations ............................. 240
Intellectual Property Right ........................................... 241
Index . . . . . . . . . . . . . . . . . . . . . .244

4
Precautions
Precautions
•
The terminal is a SIM lock free phone that
supports 5G, LTE, W-CDMA, GSM/GPRS and
wireless LAN systems.
•
Because the terminal uses radio frequencies, it
is not available inside a tunnel, underground,
building or other locations where radio waves
do not reach, in a place with weak radio
waves, or out of 5G service area or LTE service
area. Also, it may not be available on the
upper floors of high-rise apartments or
buildings, even if there are no obstructions
around you. Note that calls may be
disconnected even when you stay without
moving in areas with strong radio wave
condition indicated with the 4-signal icon.
•
Because the terminal uses radio waves to
communicate, it is possible that a third party
may attempt to tap your calls. However, the
LTE, W-CDMA, GSM/GPRS system
automatically scrambles all calls through a
private call feature. Therefore, even if the third
party successfully intercepts your call, they
will only hear noise.
•
The terminal operates on radio frequencies by
converting voice into digital signals. If a caller
moves into an area of poor radio wave condition,
the digital signal may not be restored accurately,
and the voice received in the call may differ
slightly from the actual voice.
•
The terminal supports the function which
allows "User" or "Guest" to use the terminal.
Therefore some services or applications
recognize them as the same user even after
the user is switched. DOCOMO shall have no
liabilities for any damage or troubles of
customer or a third party resulting from using
the function (P.199).
•
Note down the data saved to the terminal in a
separate note on a regular basis or save to an
external recording medium such as a microSD
card or PC. Note that DOCOMO assumes no
responsibility for any loss of saved data
resulting from malfunction, repair, changing
of the model or other handling of the
terminal.
•
Verify providers and operating conditions of
applications, websites, etc. well before using
them. Some user-installed applications or
accessed websites may disrupt the stability of
the terminal performance, or unexpectedly
transmit information via the Internet causing
improper use of your location information as
well as personal information.
About using the terminal

5
Precautions
•
The terminal automatically performs
communication for synchronizing data,
checking the latest software version, and
maintaining a connection with the server, and
for other purposes. If you transmit a large
amount of data, such as when downloading
applications or watching video, a packet
communication charge becomes high.
Subscription to Packet Pack/packet flat-rate
service is highly recommended.
•
In the initial setting, the applications provided
by DOCOMO may be installed automatically.
And that incurs the packet communication
charge if you use mobile network. Such
applications will be selected automatically by
predicting your needs based on the
information you have offered to DOCOMO
upon your consent beforehand or your other
information we hold. We manage how to
handle your information in an appropriate
manner defined by our privacy policy.
•
Depending on the applications or services
you are using, the packet communication
charge may be incurred even when
communicating via Wi-Fi
®
.
•
If available memory in the microSD card or
the internal storage is low, running
applications may not operate correctly. In that
case, delete the saved data.
•
Set a password etc. for the screen lock to
ensure the security of the terminal in case of
loss (P.186).
•
If your terminal is lost, change your each
account password to invalidate
authentication using a PC to prevent other
persons from using Google services such as
Gmail or Google Play, or SNS, etc.
•
For using services and applications provided
by the third party's including applications
provided by Google LLC, confirm the terms
and conditions, etc. specified by Google or
the providers. DOCOMO assumes no
responsibility for any malfunctions resulting
from the services and applications.
•
When a license agreement screen etc.
appears, follow the onscreen instructions.
•
Applications and service contents are subject
to change without prior notice.
•
For details on usage charge, refer to NTT
DOCOMO website.
•
Display is manufactured by taking advantage
of highly advanced technology but some
dots may be always or never lit. Note that, this
shows characteristics of the display and not
defects in the terminals.

6
Precautions
•
The terminal has an organic EL display.
Although an afterimage may occur when the
same image has been displayed for a long
time, it is not a malfunction. To prevent the
display from having afterimages, do not
display the same image for a long time.
•
The screen may become partially dark or the
colors may be changed if you set the display
brightness to brighter than necessary or use
the terminal extremely for a long time. Also,
unevenness of colors or brightness, or
changes of colors may be found depending
on direction you are looking. That is because
of the structure of organic EL display, not a
malfunction.
•
DOCOMO is not liable to any failures or
malfunctions for commercially available
optional equipment.

7
Precautions
Camera
You can activate the camera from the
icon of the "Camera" application or the
camera icon on the lock screen.
You can easily shoot beautiful photos just
leaving it to the camera with the SUPERIOR
AUTO function which automatically
determines the scene and condition to select
most suitable settings, Panorama which can
frame vast scenery to compose smooth and
natural finishes, Portrait selfie which allows
you to adjust effects while shooting, etc.
→
P.129
Audio (DSEE Ultimate)
It is the special AI technology of Sony, which
improves expression in high sound area and
reproducibility of subtle sound.
Use headphones compatible with high-
resolution audio to scale up compressed
sound source to high sound quality
equivalent with high-resolution audio.
→
P.177
Pop-up window
You can activate an application displaying
the window over another application.
That allows you to operate another
application while displaying information you
want to keep watching.
→
P. 7 3
For details of the features, refer to the
Xperia
™
website (https://xperia.sony.jp/
myxperia/ (in Japanese only)).
Recommended features

8
Precautions
■
For safe and proper use of the terminal, please
read the "Safety Precautions" prior to use.
■
ALWAYS observe the safety precautions since
they intend to prevent personal injury or
property damage.
■
The following symbols indicate the different
levels of injury or damage that may result if
the guidelines are not observed and the
terminal is used improperly.
*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.
■
The following symbols indicate specific
directions.
Safety Precautions (Always
follow these directions)
Failure to
observe these
guidelines may
"immediately
result in death or
serious injury
(*1)
".
Failure to
observe these
guidelines may
"result in death
or serious
injury
(*1)
".
Failure to
observe these
guidelines may
"result in minor
injury
(*2)
and
property
damage
(*3)
".
DANGER
WARNING
CAUTION
Indicates prohibited actions.
Indicates not to disassemble.
Indicates not to use where it could get
wet.
Indicates not to handle with wet
hands.
Indicates compulsory actions in
accordance with instructions.
Indicates to remove the power plug
from the outlet.
Don’t
No disassembly
No liquids
No wet hands
Do
Unplug

9
Precautions
1. Handling the terminal, adapter
and nano SIM card (common)
DANGER
Do not use, store or leave the equipment in
locations subject to high temperature or
accumulation of heat (e.g. by the fire, near a
heater, under a kotatsu or bedding, in direct
sunlight, in a car in the hot sun).
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not put the equipment in or place near
microwave ovens, cooking appliances such
as IH cooking heaters, or high pressure
containers such as pressure cookers.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not splash sand, soil or mud, or do not
directly place the equipment on them. Also,
do not touch the equipment with hands
with sand etc. adhered.
Doing so may cause fire, burns, injury, electric
shock, etc.
For waterproofness/dustproofness, see the
following.
⇒
P.26 "Waterproofness/Dustproofness"
Do not charge the terminal when it is wet
with liquids such as water (drinking water,
sweat, seawater, urine of pet animals, etc.).
Also, do not charge the terminal in a place
where it possibly contacts water such as a
bathroom or near a humidifier.
Doing so may cause fire, burns, injury, electric
shock, etc.
For waterproofness, see the following.
⇒
P.26 "Waterproofness/Dustproofness"
Do not subject the terminal to strong
pressure or break the terminal. Especially
when the terminal is in a pocket of clothes,
do not let it hit against surroundings or put
between the objects.
Doing so may cause fire, burns, injury, etc.
because of damage of the internal battery.
* The following are examples that you should
be careful of:
・
Sitting or squatting with the terminal put in
a pocket of trousers or skirt
・
Letting your outer wear get caught in doors
or a door of car when the terminal in the
pocket
・
Stepping on the terminal on a soft object
such as a sofa, bed, or bedding, or on a floor
・
Putting the terminal in a seat gap of train,
bus, etc.
Do not attempt to remove the internal
battery from the terminal.
Doing so may cause fire, burns, injury, electric
shock, etc.
The back panel of the terminal cannot be
removed. Do not attempt to remove it.
Doing so may cause fire, burns, injury, etc.
Do not disassemble or modify the
equipment.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not let the equipment get wet with
liquids such as water (drinking water, sweat,
seawater, urine of pet animals, etc.).
Doing so may cause fire, burns, injury, electric
shock, etc.
For waterproofness, see the following.
⇒
P.26 "Waterproofness/Dustproofness"
Don’t
Don’t
Don’t
Don’t
Don’t
Don’t
Don’t
No disassembly
No liquids

10
Precautions
Do not allow liquids such as water (drinking
water, sweat, seawater, urine of pet animals,
etc.) to get inside of the charging jack or the
external connection jack.
Doing so may cause fire, burns, injury, electric
shock, etc.
For waterproofness, see the following.
⇒
P.26 "Waterproofness/Dustproofness"
Use optional devices specified by NTT
DOCOMO.
Use of an unspecified device or device whose
manufacturer, selling source, or specification is
uncertain may cause fire, burns, electric shock,
etc.
WARNING
Do not subject the equipment to strong
force, impacts, or vibration such as letting it
fail, stomping or throwing it.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not allow conductive materials (such as
metal objects and pencil lead) to come into
contact with the charging jack or external
connection jack or dust to get inside it.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not cover or wrap the equipment with a
cloth or bedding in use or while charging.
Doing so may cause fire, burns, etc.
If charging does not finish after specified
time has elapsed, stop charging.
Failure to do so may cause fire, burns, injury,
etc. due to overcharge etc.
Power off the terminal before you step into a
place where flammable gas or dust is
generated. Stop charging if you charge the
battery.
May cause explosion, fire, etc. if the flammable
gas, etc. catches fire.
Follow the instructions of facility for use in a
gas station, etc.
Do not charge the battery in a gas station, etc.
Also, be careful not to drop the terminal when
using in a gas station etc. Do not use it during
oil feeding.
May cause explosion, fire, etc. if the flammable
gas, etc. catches fire.
If you notice anything unusual about the
equipment such as an unusual odor,
abnormal noise, smoke generation,
overheating, discoloration or deformation
while using or charging, or during storage,
take care of safety and perform the
following measures.
・
Remove a power plug from a power outlet
or accessory socket.
・
Power off the terminal.
Failure to do so may cause fire, burns, injury,
electric shock, etc. if you do not follow the
instructions above.
CAUTION
Do not use damaged equipment.
Doing so may cause fire, burns, injury, etc.
Do not place on an unstable or inclined
platform. Be careful especially when vibrator
is set.
Doing so may cause the device to fall etc. and
cause injury.
No liquids
Do
Don’t
Don’t
Don’t
Do
Do
Do
Do
Don’t
Don’t

11
Precautions
Do not use or keep in a place that is very
humid, dusty, or subject to high
temperature.
Doing so may cause fire, burns, electric shock,
etc.
For waterproofness/dustproofness, see the
following.
⇒
P.26 "Waterproofness/Dustproofness"
If children use the terminal, parents or
guardians should give them the proper
instructions for use and do not allow them
to use the terminal in the wrong way.
Doing so may cause accidental ingestion,
injury, electric shock etc.
Keep the equipment out of the reach of
babies and infants or pets.
Especially be careful with a location to store
small parts such as the tray of nano SIM
card/microSD card.
Doing so may cause accidental ingestion,
injury, electric shock etc.
Be careful about rise of temperature when
using the terminal continuously or while
charging. Also, be careful not to touch the
terminal unintentionally and continuously
when it is in your pocket of clothes, you fall
asleep, etc.
Temperature of the terminal or an adapter
may rise when using applications, calling,
performing data communication, watching
videos, playing games, etc. continuously or
while charging. Take care when you put the
terminal in your pocket or you are asleep to
prevent a redness of skin, itch, rash, low-
temperature burn etc. which may be caused
depending on your constitution or physical
condition by directly contacting to a high
temperature area continuously.
2. Handling the terminal
DANGER
Do not throw the terminal into fire or apply
heat.
Doing so may cause fire, burns, injury, etc.
Do not apply excessive force such as sticking
a sharp object (nail, etc.) to the terminal,
hitting it with a hard object (hammer, etc.),
or stepping on it.
Doing so may cause fire, burns, injury, etc.
If the internal substance of the terminal
contacts your eyes or mouth, immediately
rinse your eyes or mouth with clean water
and see a doctor right away.
Failure to do so may cause blindness, medical
problem, etc. due to effects of the internal
substance of the terminal etc.
WARNING
Do not turn on or flash the flash/photo light
with the luminous part close to the other
people's eyes. Keep enough distance away
especially from babies and infants.
Doing so may cause blurred vision etc. Or it
may dazzle his/her eyes or scare him/her
causing an accident such as injury.
Do not turn on or flash the flash/photo light
toward a driver of a car etc.
Doing so may disturb driving and cause an
accident etc.
Don’t
Don’t
Don’t
Do
Don’t
Don’t
Do
Don’t
Don’t

12
Precautions
Do not watch a repeatedly-blinking screen
for a long time.
Doing so may cause cramp, loss of
consciousness, etc.
Do not allow water or other liquids (drinking
water, sweat, seawater, urine of pet animal,
etc.), or foreign substance such as a metal
parts (blade of cutter, staple, etc.) or
flammables to get in the nano SIM card/
microSD card slot of the terminal.
Do not insert a nano SIM card or microSD
card into wrong slot or in wrong orientation.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not expose the camera lens to direct
sunlight for an extended period.
Doing so may cause fire, burns, injury, etc. by
the light-collecting mechanism of the lens.
Power off the terminal or put it in Airplane
mode before boarding an airplane.
Use of mobile phones on board is restricted.
Follow the instructions of each airline.
The radio waves may adversely affect on-
board electronic equipment.
Prohibited acts related to mobile phone usage
on an airplane may be punished by law.
Follow the instructions of each medical
facility for the use of mobile phones on their
premises.
Power off the terminal in a place where the
use is prohibited.
The radio waves may affect electronic
equipment and electronic medical
equipment.
Always keep the terminal away from your
ear when you talk with hands-free set, while
the ringtone is loudly sounding, or in stand-
by mode.
Also, when you play a game, play back a
video or music, etc. connecting the
earphone/microphone, etc. to the terminal,
adjust the volume adequately.
Loud sound is emitted from the terminal
when calling with hands-free set.
Even in standby mode, ringtone or alarm
sound may sound suddenly.
Listening to loud sound for long hours
continuously may cause a disability of ears
such as deafness.
Moreover, too loud sound makes you to barely
hear the surrounding sounds and may cause
an accident.
If you have a weak heart, set the vibrator or
ringtone volume carefully.
Sudden vibration or ringtone sounding when
for incoming call astonishes you and it may
affect your heart.
If you wear any electronic medical
equipment, check with the relevant medical
electronic equipment manufacturer or
vendor whether the operation may be
affected by radio waves.
The radio waves may affect the electronic
medical equipment.
Don’t
Don’t
Don’t
Do
Do
Do
Do
Do

13
Precautions
Power off the terminal when it is near
electronic devices or equipment which
controls with high precision or handles weak
signals.
The radio waves may interfere with the
operation of electronic devices or equipment.
* The following are some electronic devices
or equipment that you should be careful of:
Hearing aids, implantable cardiac
pacemaker, implantable cardioverter
defibrillator, other electronic medical
equipment, and other automatically
controlled devices or equipment. If you use
an implantable cardiac pacemaker,
implantable cardioverter defibrillator, or
other electronic medical equipment, check
with the medical electronic equipment
manufacturer or vendor whether the
operation can be affected by radio waves.
Be careful about broken glasses or exposed
internal part of the terminal if the display,
camera lens, etc. is broken.
Touching damaged or exposed area may
cause burns, injury, electric shock, etc.
If the substance of the internal battery leaks
or gives off a strange smell, immediately
remove it from the vicinity of open flames.
The leaking liquid may ignite fire, catch fire,
explode etc.
Be careful not to allow a pet etc. to bite the
terminal.
Doing so may cause fire, burns, injury, etc.
because of damage of the internal battery.
CAUTION
When using the motion sensor, check the
safety around you, hold the terminal firmly,
and do not shake it unnecessarily.
Failure to do so may cause accident such as
injuries.
If the internal substance is leaked due to
damage of the display, do not allow it to
touch your skin such as face, hands, or cloths
etc.
Doing so may cause injury etc. on your eyes or
skin.
If the internal substance gets into your eyes,
mouth, etc. or contacts skin or clothes,
immediately rinse the contacted area with
clean water.
If the substance gets into your eyes, mouth,
etc. immediately see a doctor after rinsing.
Do not dispose of the terminal together with
usual trash.
Doing so may cause fire, burns, injury, etc.
Also, it may cause environmental destruction.
Bring the unnecessary terminal into a sales
outlet such as docomo Shop. If your local
municipality has a battery recycling program,
dispose of them as provided for.
If the substance leaks out from the internal
battery, do not make it contact with your
skin of face or hands, clothes, etc.
Doing so may cause injury etc. on your eyes or
skin.
If the internal substance gets into your eyes,
mouth, etc. or contacts skin or clothes,
immediately rinse the contacted area with
clean water.
If the substance gets into your eyes, mouth,
etc. immediately see a doctor after rinsing.
Do
Do
Do
Do
Don’t
Don’t
Don’t
Don’t

14
Precautions
To use the terminal in a car, check with
automobile manufacturer or dealer to
determine how the device is affected by
radio waves before using.
In rare cases, the radio waves may affect the
vehicle's electronic equipment in some
vehicle models. In that case, stop using the
terminal immediately.
If abnormalities on skin are developed by
using the terminal, immediately stop using
and take medical treatment.
The use of the terminal may cause itching,
rashes, eczema, or other symptoms
depending on the your physical condition.
For material of each part, see the following.
⇒
P. 1 7 " M a t e r i a l li s t "
Make sure not to get metal objects (blade of
cutter, staples, etc.) adhered because
magnetic parts are used on the earpiece,
speaker, vibrator (lower right of the back
side) of the terminal.
Such adhered objects may cause injury etc.
Keep the equipment out of the reach of
children, people who needs to be
supervised, etc.
The terminal contains magnets. If he or she
swallows the magnet, suffocation or serious
symptom resulting from hurt of bowel etc.
may be caused. When he or she swallowed
the magnet, consult a doctor immediately.
Do not let it close to medical device.
The magnets used for the terminal may affect
medical devices such as a pacemaker, pressure
variable shunt for hydrocephalus curing, etc.
Do not let the terminal close to persons who
use such medical devices. If you are a user of
such medical device, consult your doctor
before using the terminal.
Watch the display in an adequately bright
place taking a certain distance from it.
Watching in a dark place or closely may
reduce visual acuity etc.
3. Handling adapters
WARNING
Do not use an adapter whose cord is
damaged.
Doing so may cause fire, burns, electric shock,
etc.
DC adapter is only for a negative ground
vehicle. Do not use DC adapter for a positive
ground vehicle.
Doing so may cause fire, burns, electric shock,
etc.
Do not touch an adapter if you hear thunder.
Doing so may cause electric shock etc.
Do not short-circuit the charging jack while
it is connected to a power outlet or
accessory socket. Do not touch the charging
terminals with your hands, fingers, or any
part of your body.
Doing so may cause fire, burns, electric shock,
etc.
Do
Do
Do
Do
Do
Do
Don’t
Don’t
Don’t
Don’t

15
Precautions
Do not place heavy objects on a cord of
adapter, or do not apply unnecessary force
to the cord by pulling etc.
Doing so may cause fire, burns, electric shock,
etc.
When you insert/remove a plug of AC
adapter to/from power outlet, do not let it to
contact with metal objects.
Doing so may cause fire, burns, electric shock,
etc.
Do not connect the voltage converter (e.g.
travel converter for overseas) to AC adapter.
Doing so may cause ignition, overheating,
electric shock etc.
Do not put an excessive force to the
connection part with the adapter connected
to the terminal.
Doing so may cause fire, burns, injury, electric
shock, etc.
Do not touch an adapter cord, charging jack,
or power plug with wet hands.
Doing so may cause fire, burns, electric shock,
etc.
Use the adapter only on the specified power
supply and voltage.
When charging the terminal overseas, use
AC adapter for global use.
Using the incorrect power supply and voltage
may cause fire, burns, electric shock, etc.
AC adapter : 100V AC (Make sure to connect
the adapter to a household AC power outlet.)
AC adapter for global use : 100V to 240V AC
(Make sure to connect the adapter to a
household AC power outlet.)
DC adapter : 12V or 24V DC (only for a
negative-ground vehicle)
When replacing a fuse in a DC adapter, make
sure to use the specified fuse.
Using a fuse other than specified may cause
fire, burns, electric shock, etc. For the specified
fuse, check a manual that comes with a DC
adapter.
Wipe dust off from the power plug.
Using it with dust adhered may cause fire,
burns, electric shock, etc.
When you connect an adapter or accessory
socket to a power outlet, insert it firmly.
Insecure inserting may cause fire, burns,
electric shock, etc.
When you disconnect the power plug from a
power outlet or accessory socket, do not
apply excessive force such as pulling the
adapter cord. Instead, hold the adapter to
disconnect.
Pulling the adapter cord may damage the
cord and cause fire, burns, electric shock, etc.
When plugging/unplugging an adapter
into/from the terminal, plug/unplug the
adapter straight toward the jack without
applying excessive force such as pulling the
cord etc.
Incorrect plugging/unplugging may cause
fire, burns, injury, electric shock, etc.
If the charging terminal is deformed such as
being bent etc., stop using immediately. Do
not use it with the deformation restored.
Doing so may cause fire, burns, injury, etc. due
to short-circuit of charging terminal.
Don’t
Don’t
Don’t
Don’t
No wet hands
Do
Do
Do
Do
Do
Do
Do

16
Precautions
Always disconnect the power plug from a
power outlet or accessory socket when not
using the equipment.
Keeping with connected to the power plug
may cause fire, burns, electric shock, etc.
Immediately remove the power plug from a
power outlet or accessory socket if liquid
such as water (drinking water, sweat,
seawater, urine of pet animals, etc.) is
adhered.
Failure to do so may cause fire, burns, injury,
etc. due to short-circuit from the adhered
substance.
Before cleaning, remove the power plug
from a power outlet or accessory socket.
Failure to do so may cause fire, burns, electric
shock, etc.
CAUTION
Do not touch an adapter successively when
it is connected to a power outlet or
accessory socket.
Doing so may cause a burn etc.
4. Handling a nano SIM card
CAUTION
Be careful of the cut surface not to hurt your
body parts such as fingers when handling a
nano SIM card.
The cut surface may be sharp and it may cause
injury etc.
5. Handling the terminal near
electronic medical equipment
WARNING
If you use an implantable cardiac pacemaker
or implantable cardioverter defibrillator,
keep the terminal 15 cm or more away from
the implant at all times.
The radio waves may affect the performance
of electronic medical equipment.
If you need to use electronic medical
equipment other than implantable cardiac
pacemaker or implantable cardioverter
defibrillator outside medical facilities when
treating at home etc., check with the
relevant medical electronic equipment
manufacturer whether the operation may
be affected by radio waves.
The radio waves may affect the performance
of electronic medical equipment.
Unplug
Unplug
Unplug
Don’t
Do
Do
Do

17
Precautions
When you get close to other people within
15 cm just like not having enough space to
turn around, set the radio wave of the
terminal to OFF beforehand (Airplane mode,
to Power off, etc.).
A person in close proximity may put on
implanted medical electrical equipment such
as pacemakers and ICDs. The radio waves may
affect the performance of electronic medical
equipment.
Follow the instructions of each medical
facility for the use of the terminal on their
premises.
The radio waves may affect the performance
of electronic medical equipment.
6. Material list
■
The terminal
Do
Do
Part Material Surface
treatment
Exterior case (top part,
bottom part, side part)
Nylon resin
(with glass
fiber)
Coating
External case (Volume
key/Zoom key, back
panel)
Polycarbonate
resin
Coating
Exterior case (cover of
the nano SIM card/
microSD card slot)
Polycarbonate
resin (with
glass fiber)
Coating
Exterior case (camera
ring (around main
camera))
Aluminum
alloy
Alumite
treatment
Transparent plate
(Display)
Hardened glass AFP
treatment
Transparent plate (main
camera)
Hardened glass AFP
treatment +
AR
treatment
Flash/Photo light Acrylic resin
―
Power key/Fingerprint
sensor
Epoxy resin Coating
Earpiece mesh PET
―
Speaker mesh Polycarbonate
resin
―
Rubber gasket of the
cover of the nano SIM
card/microSD card slot
Silicon rubber
―

18
Precautions
■
Common precautions
•
SO-52C is waterproof/dustproof;
however, do not allow liquids such as
water (drinking water, sweat, seawater,
urine of pet animals, etc.) or foreign
objects such as dust to enter inside of
the terminal or adhere to optional
devices.
Adapters and nano SIM cards are not waterproof/
dustproof. Do not use in a highly humid place
such as a bathroom or in a place where it is
exposed to rain etc. Or when putting them on
your body, humidity of sweat may cause internal
corrosion and malfunction. Malfunctions which
are determined to be caused by water as result of
inspections are not covered by the warranty. For
repairs, see "Warranty and After Sales Services"
(P.228).
•
Waterproofness/dustproofness may not
be maintained if the terminal has defect
in appearance such as damage or
deformation. In that case, see "Warranty
and After Sales Services" (P.228) and
then inquire about it.
•
Clean the terminal with a dry soft cloth
(such as used for cleaning eyeglasses).
- Rubbing roughly may scratch the display.
- Drops of water or dirt left on the display may
cause stains.
Tray of nano SIM card/
microSD card
Polycarbonate
resin (with
glass fiber) +
SUS sheet
metal
―
Part Material Surface
treatment
Handling precautions