Galaxy A21 Quick start guide
Notes on Usage
SCV49
・ In this manual, "Galaxy A21" is usually
referred to as the "product".
・ In this manual, "microSD™ memory card
(commercial item)", "microSDHC™
memory card (commercial item)" or
"microSDXC™ memory card
(commercial item)" is called "microSD
memory card" for short.
・ All of the indicated amounts exclude
tax unless otherwise specified.
・ Company names and product names
referred to in this manual are trade-
marks or registered trademarks of
respective companies. The TM and ®
marks may be omitted in this manual.
・
For detailed descriptions on various
functions, refer to the "取扱説明書(詳細版)
(Full Instruction Manual)" (Japanese)
available on the homepage of the
contracted mobile phone operator.
Cell phone and PHS operators collect and recycle unused
telephones, batteries and battery chargers at stores bearing
the logo regardless of brand and manufacturer to
protect the environment and reuse valuable resources.
December 2020, 1st Edition
Imported by: SAMSUNG ELECTRONICS JAPAN Co., Ltd.
Manufactured by: Samsung Electronics Co., Ltd.
ii
Contents
For Using the Product …………………………………1
Safety Precautions (Observe Strictly) ……………4
Material List …………………………………………… 21
Handling Precautions ………………………………… 23
Precautions for Waterproofness/
Dustproofness ………………………………………… 31
Notes on using Bluetooth
®
/
Wireless LAN (Wi-Fi
®
) Functions ………………… 37
Available Security Codes/PIN Code ……………… 41
Notes on Data Communication Charge ………… 43
Notes on Call Charge ………………………………… 43
Notes on Applications ……………………………… 44
Conguring the App's Permissions ……………… 45
Take Your Manners with You as Well …………… 46
Updating Software …………………………………… 48
After-Sales Service …………………………………… 49
FCC RF Exposure Information ……………………… 52
Export Administration Regulations ……………… 52
Intellectual Property Rights ………………………… 53
1
Notes on Usage
Notes on Usage
Before you start using the product, be sure to read the
"Safety Precautions" to ensure correct use.
Before you assume that the product is
malfunctioning, please refer to the "故障とお考えにな
る前に (Troubleshooting)" from "取扱説明書 詳細版 (Full
Instruction Manual)" (Japanese).
• Communication is not possible even inside the
service area in places where the signal does
not reach (e.g. tunnels and basements). Also,
communication is sometimes not possible in poor
reception areas. Communication is sometimes
interrupted if you move into a poor reception area
during communications.
• Since the product uses radio waves, the possibility
of communication intercepts by third parties
cannot be eliminated. (Though LTE/WiMAX 2+/
GSM/UMTS system has highly secure condential
communication features.)
• Use VoLTE (LTE network) to connect to Japanese
emergency services. You cannot use 3G (call
switching network) to connect to emergency services.
• While the product supports the international
roaming, each network service described in this
manual varies depending on the area and service
content.
• Since the product is a radio station under the Radio Law,
you may be asked to temporarily submit the product for
inspection in accordance with the Radio Law.
• To use it overseas, check the condition such as
regulations of the country/region in advance.
• The Company is not liable for any damages arising from
earthquakes, lightning, storms, oods or other natural
disasters, as well as res, actions by third parties,
other accidents, intentional or mistaken operation by
the customer, or use under other unusual conditions
outside the responsibility of the Company.
• The Company is not liable for any incidental
damages (change/disappearance of saved content,
loss of business income, disruption of business, etc.)
arising from use of or inability to use the product.
2
Notes on Usage
• The Company is not liable for any damages arising
from failure to observe the described content of "取
扱説明書 詳細版 (Full Instruction Manual)" (Japanese),
"Quick Start Guide" and "Notes on Usage" (this
manual).
• The Company is not liable for any damages
arising, for example, from malfunction caused by
combination with connected devices or software
not related to the Company.
• Captured image data or downloaded data may
sometimes be altered or lost due to faults, repair or
other handling of the product. The Company is not
liable for any damage or lost income resulting from
recovery of these data.
• It is recommended you save the important data
on your PC's hard disk, etc. Whatever the cause
of the defect or malfunction may be, the Company
assumes no responsibility for alteration or loss of
saved data.
• Contents saved in the product, such as contacts,
mails and favorites, might be altered or lost in
accident, fault, repair or mishandling. Be sure to
keep a copy of important contents. Note that the
Company assumes no responsibility for any damages
or lost prots resulting from altered or lost contents.
• Note that content data (both charged or free
content) saved with the product cannot be returned
to the customer when the product is replaced for
repair of a fault, for example.
• The product uses liquid crystal for its display. The
display response speed may become slow when
the ambient temperature is low, which is due to
the property of liquid crystal and not a malfunction.
The display response speed will return to normal at
room temperature.
• Although the display used by the product is made
using high precision technology, some pixels (dots)
might not light or are lit at all times. Please note
that this is not a fault.
• You are recommended to store copies of individual
data such as photos and videos you took and
music on your PC by sending each le as mail
attachment, etc. Note, however, that you may not
be able to make copies of any copyrighted data
even by the above mentioned means.
• Do not discard the product together with regular
trash. Please cooperate in the collection of the
product (including optional accessories) when it is
no longer needed to protect the environment and
eectively use resources.
3
Notes on Usage
* "The Company" as appears in this manual refers to the
contracted mobile phone operator and companies of the
following importer and manufacturer:
Imported by: SAMSUNG ELECTRONICS JAPAN Co., Ltd.
Manufactured by: Samsung Electronics Co., Ltd.
◎ Reproduction of the content of this manual in
part or in whole is prohibited.
◎ The content of this manual is subject to change
without notice.
◎ Some functions may not be available due to
change OS specication/the service or terminate
the service, etc.
◎ Every eort has been made in the preparation
of this manual. Should you notice any unclear
points, omissions, etc., feel free to contact us.
4
Notes on Usage
Danger
This sign denotes that "death or
serious injury(*1) may directly result
from improper use".
Warning
This sign denotes that "death or
serious injury(*1) may result from
improper use".
Caution
This sign denotes that "minor
injury(*2) or property damage(*3) to
property may result from improper
use".
*1 Serious injury: Loss of sight, injuries, burns (high/
low temperature), electric shocks, bone fracture,
poisoning, etc. with subsequent complications and/or
those that require hospitalization or prolonged hospital
visits.
*2 Minor injury: Injuries, burns (high/low temperature),
electric shocks, etc. that do not require hospitalization
or prolonged hospital visits.
*3 Property damage: Severe damage to property or live
stock/pets, etc.
5
Notes on Usage
Don’t
Indicates an action that is not allowed.
No
disassembly
Indicates that disassembly is not allowed.
No liquids
Indicates that use in a place where the
product is likely to get wet or allowing the
product to get wet is not allowed.
No wet hands
Indicates that handling with wet hands is
not allowed.
Do
Indicates an action that must be obeyed at
all times.
Unplug
Indicates that the power plug must be
disconnected from the outlet.
Danger
Don’t
May cause re, burns, injuries or electric
shocks, etc.
6
Notes on Usage
Don’t
May cause re, burns, injuries or electric
shocks, etc.
Don’t
May cause re, burns, injuries, electric
shocks, etc.
For waterproofness/dustproofness, refer to
the following:
uP.31 "Precautions for Waterproofness/
Dustproofness"
Don’t
May cause re, burns, injuries, electric
shocks, etc.
For waterproofness, refer to the following:
uP.31 "Precautions for Waterproofness/
Dustproofness"
Don’t
Doing so may cause re, burns, or injuries due
to internal battery damage.
* Examples to avoid
- Sitting or squatting with the product put in a
pocket of trousers or skirt
- Putting the product in a pocket of outer wear
and catching them in a door or a car door
- Stepping on the product on a soft object
such as a sofa, bed, or bedding, or on a oor
- Putting the product between seats on trains
or buses, etc.
7
Notes on Usage
No
disassembly
May cause re, burns, injuries or electric
shocks, etc.
Don’t
May cause re, burns or injuries, etc.
Don’t
May cause re, burns or injuries, etc.
No liquids
May cause re, burns, injuries or electric
shocks, etc.
For waterproofness, refer to the following:
uP.31 "Precautions for Waterproofness/
Dustproofness"
No liquids
May cause re, burns, injuries or electric
shocks, etc.
For waterproofness, refer to the following:
uP.31 "Precautions for Waterproofness/
Dustproofness"
Do
Not doing so may cause re, burns, injuries or
electric shocks, etc.
Warning
Don’t
May cause re, burns, injuries or electric
shocks, etc.
8
Notes on Usage
Don’t
May cause re, burns, injuries or electric
shocks, etc.
Don’t
May cause re or burns, etc.
Do
Overcharging, etc. may cause re, burns or
injuries, etc.
Do
Ignition to ammable gas, etc. may cause
explosion or re, etc.
Do
Do not charge in gas station, etc.
When using the product in a gas station, etc.
be careful not to drop it, especially do not use
it during refueling.
Ignition to ammable gas, etc. may cause
explosion or re, etc.
Do
• Remove the power plug from the outlet.
• Turn the product OFF.
If the above operations are not performed,
this may cause re, burns, injuries or electric
shocks, etc.
9
Notes on Usage
Caution
Don’t
May cause re, burns, injuries, etc.
Don’t
May fall and cause injuries, etc.
Don’t
May cause re, burns, or electric shocks, etc.
For waterproofness/dustproofness, refer to
the following:
uP.31 "Precautions for Waterproofness/
Dustproofness"
Don’t
May be accidentally swallowed, or cause
injuries, electric shocks, etc.
Don’t
May be accidentally swallowed, or cause
injuries, electric shocks, etc.
10
Notes on Usage
Do
If you use apps, make calls, perform data
communications or watch videos, etc.
continuously or charge the battery, the
temperatures of the product and the specied
charging equipment (sold separately) may
rise. Directly touching a hot part continuously,
you may have redness, itching or rash on your
skin, or it may result in low-temperature burns
etc. depending on your constitution and/or
health condition.
Danger
Don’t
May cause re, burns or injuries, etc.
Don’t
May cause re, burns or injuries, etc.
Do
The substance inside the product may cause
loss of sight or poor health, etc.
11
Notes on Usage
Warning
Don’t
Such as vision disability may result. Accident
such as injuries may result from being dazzled
or shocked.
Don’t
May disturb driving and cause accident, etc.
Don’t
May cause seizure or loss of consciousness,
etc.
Don’t
May cause re, burns, injuries or electric
shocks, etc.
Don’t
The light-gathering capabilities of the lens
may cause re, burns, injuries, etc.
Do
As there are usage restrictions in an airplane,
follow the instructions from the airline.
The product's signals may adversely aect on-
board electronic equipment.
If you commit any prohibited acts, such as using
the phone in an airplane, you will be punished in
accordance with the law.
12
Notes on Usage
Do
Turn the product OFF in areas where use is
prohibited.
The product's signals may aect electronic
equipment and electronic medical equipment.
Do
When using the hands-free call, loud noise
sounds from the product.
Even in the standby mode, ringtone and
vibrator may work suddenly.
Using continuously for a long time with too
loud volume may cause a hearing loss, etc.
And, if you cannot hear the sound around you
clearly, it may cause an accident.
Do
Surprised by sudden vibrate ringtone
(vibration) or ringtone, it may cause harmful
eect on heart.
Do
The product's signals may aect the
performance of electronic medical equipment.
13
Notes on Usage
Do
Failure to do so may cause the equipment to
fail or malfunction.
* Examples of electronic equipment to avoid
Hearing aids, implanted pacemakers or
debrillators, other electronic medical and
other automatic control equipment, etc. Users
wearing implanted pacemakers or debrillators
or other electronic medical equipment
should check with the manufacturer or sales
outlet about the eect of radio wave on the
equipment.
Do
Touching broken or exposed part may cause
burns, injuries, electric shocks, etc.
Do
The leaked uid may catch re and may cause
ignition or explosion, etc.
Do
The internal battery may ignite, explode,
generate heat or leak and may result in re,
burns, injuries, etc.
Caution
Don’t
May cause injuries, etc.
Don’t
May cause injuries, etc.
14
Notes on Usage
Don’t
May cause eyes or skin problems, etc.
If the substance gets into your eyes or mouth,
etc. or comes into contact with your skin or
clothes, rinse with clean water immediately.
And if it gets into your eyes or mouth, etc.,
rinse with clean water and seek medical care
immediately.
Don’t
May cause re, burns, injuries, etc.
Environmental damage may also be caused.
If the product becomes no longer needed,
follow the instructions given by the collecting
municipalities.
Don’t
May cause eyes or skin problems, etc.
If the substance gets into your eyes or mouth,
etc. or comes into contact with your skin or
clothes, rinse with clean water immediately.
And if it gets into your eyes or mouth, etc.,
rinse with clean water and seek medical care
immediately.
Don’t
Touching the nib of the SIM card removal tool
(sample) may cause injuries, etc.
Do
In some vehicle models, the product's signals
may cause the vehicle's electronic equipment
to malfunction. In that case, stop using the
product immediately.
15
Notes on Usage
Do
The product can give some users skin
problems such as itching, allergic reactions or
rashes, etc.
For parts materials uP.21 "Material List"
Do
Adhesion of such fragments may cause
injuries, etc.
Do
Watching the display in the dark or watching
too close may cause diminished eyesight,
etc.
Warning
Don’t
May cause re, burns or electric shocks, etc.
Don’t
May cause electric shocks, etc.
Don’t
May cause re, burns or electric shocks, etc.
Don’t
May cause re, burns or electric shocks, etc.
16
Notes on Usage
Don’t
May cause re, burns or electric shocks, etc.
Don’t
May cause ignite, heat or electric shocks, etc.
Don’t
May cause re, burns, injuries or electric
shocks, etc.
No wet hands
May cause re, burns or electric shocks, etc.
Do
If incorrect power source and voltage is used,
this may cause re, burns or electric shocks,
etc.
AC adapter: 100 VAC (Connect to the AC
outlet for internal household use)
AC adapter for global use: Between 100 VAC
and 240 VAC (Connect to an AC outlet for
internal household use)
Do
If the product is used with dust adhering to
it, this may result in re, burns, or electric
shocks, etc.
17
Notes on Usage
Do
If not rmly inserted, this may result in re,
burns, or electric shocks, etc.
Do
If the specied charging equipment (sold
separately) cord is pulled on, this may result
in scratches the cord, re, burns, or electric
shocks, etc.
Do
If not properly unplugged or plugged in,
this may cause re, burns, injuries, electric
shocks, etc.
Do
The short of the charging jack may result in
re, burns, injuries, electric shocks, etc.
Unplug
If the power plug is left plugged in, this may
cause re, burns, injuries, electric shocks, etc.
Unplug
Adhesion of such fragments may cause re,
burns or electric shocks, etc.
18
Notes on Usage
Unplug
Cleaning while still plugged in may cause re,
burns or electric shocks.
Caution
Don’t
May cause burns, etc.
Caution
Do
The cut surface may be sharp, and it may
cause injuries, etc.
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