Please read this manual before using the device to ensure safe and proper use.
•
Descriptions are based on the device’s default settings.
•
Some content may differ from your device depending on the region, service provider,
model specifications, or device’s software.
•
Content (high quality content) that requires high CPU and RAM usage will affect the
overall performance of the device. Apps related to the content may not work properly
depending on the device’s specifications and the environment that it is used in.
•
Samsung is not liable for performance issues caused by apps supplied by providers other
than Samsung.
•
Samsung is not liable for performance issues or incompatibilities caused by edited
registry settings or modified operating system software. Attempting to customise the
operating system may cause the device or apps to work improperly.
•
Software, sound sources, wallpapers, images, and other media provided with this device
are licensed for limited use. Extracting and using these materials for commercial or other
purposes is an infringement of copyright laws. Users are entirely responsible for illegal
use of media.
•
You may incur additional charges for data services, such as messaging, uploading and
downloading, auto-syncing, or using location services depending on your data plan. For
large data transfers, it is recommended to use the Wi-Fi feature.
•
Default apps that come with the device are subject to updates and may no longer be
supported without prior notice. If you have questions about an app provided with
the device, contact a Samsung Service Centre. For user-installed apps, contact service
providers.
4
Basics
•
Modifying the device’s operating system or installing softwares from unofficial sources
may result in device malfunctions and data corruption or loss. These actions are violations
of your Samsung licence agreement and will void your warranty.
•
Depending on the region or service provider, a screen protector is attached for protection
during production and distribution. Damage to the attached screen protector is not
covered by the warranty.
•
You can see the touchscreen clearly even in strong outdoor sunlight by automatically
adjusting the contrast range based on the surrounding environment. Due to the nature
of the product, displaying fixed graphics for extended periods may result in afterimages
(screen burn-in) or ghosting.
–
It is recommended not to use fixed graphics on part or all of the touchscreen for
extended periods and turn off the touchscreen when not using the device.
–
You can set the touchscreen to turn off automatically when you are not using it.
Launch the
of time you want the device to wait before turning off the touchscreen.
–
To set the touchscreen to automatically adjust its brightness based on the
surrounding environment, launch the
brightness
•
Depending on the region or model, some devices are required to receive approval from
the Federal Communications Commission (FCC). If your device is approved by the FCC,
you can view the FCC ID of the device. To view the FCC ID, launch the
About phone
tap
•
Depending on the region, you can view the regulatory information on the device. To
view the information, launch the
information
Settings
.
→
.
app, tap
Status
.
Display
Settings
→
Screen timeout
Settings
app and tap
app and tap
, and then select the length
Display
About phone
→
Auto
Settings
→
Regulatory
app and
Instructional icons
Warning: situations that could cause injury to yourself or others
Caution: situations that could cause damage to your device or other equipment
Notice: notes, usage tips, or additional information
5
Basics
Device overheating situations and solutions
When the device heats up while charging the battery
While charging, the device and the charger may become hot. During wireless charging or fast
charging, the device may feel hotter to the touch. This does not affect the device’s lifespan or
performance and is in the device’s normal range of operation. If the battery becomes too hot,
the charger may stop charging.
Do the following when the device heats up:
•
Disconnect the charger from the device and close any running apps. Wait for the
device to cool down and then begin charging the device again.
•
If the lower part of the device overheats, it could be because the connected USB
cable is damaged. Replace the damaged USB cable with a new Samsung-approved
one.
•
When using a wireless charger, do not place foreign materials, such as metal objects,
magnets, and magnetic stripe cards, between the device and the wireless charger.
The wireless charging or fast charging feature is only available on supported models.
6
Basics
When the device heats up during use
When you use features or apps that require more power or use them for extended periods,
your device may temporarily heat up due to increased battery consumption. Close any
running apps and do not use the device for a while.
The following are examples of situations in which the device may overheat. Depending on
the functions and apps you use, these examples may not apply to your model.
•
During the initial setup after purchase or when restoring data
•
When downloading large files
•
When using apps that require more power or using apps for extended periods
–
When playing high-quality games for extended periods
–
When recording videos for extended periods
–
When streaming videos while using the maximum brightness setting
–
When connecting to a TV
•
While multitasking (or, when running many apps in the background)
–
When using Multi window
–
When updating or installing apps while recording videos
–
When downloading large files during a video call
–
When recording videos while using a navigation app
•
When using large amount of data for syncing with the cloud, email, or other accounts
•
When using a navigation app in a car while the device is placed in direct sunlight
•
When using the mobile hotspot and tethering feature
•
When using the device in areas with weak signals or no reception
•
When charging the battery with a damaged USB cable
•
When the device’s multipurpose jack is damaged or exposed to foreign materials, such as
liquid, dust, metal powder, and pencil lead
•
When you are roaming
7
Basics
Do the following when the device heats up:
•
Keep the device updated with the latest software.
•
Conflicts between running apps may cause the device to heat up. Restart the device.
•
Deactivate the Wi-Fi, GPS, and Bluetooth features when not using them.
•
Close apps that increase battery consumption or that run in the background when
not in use.
•
Delete unnecessary files or unused apps.
•
Decrease the screen brightness.
•
If the device overheats or feels hot for a prolonged period, do not use it for a while. If
the device continues to overheat, contact a Samsung Service Centre.
Device limitations when the device overheats
When the device heats up, the features and performance may be limited or the device may
turn off to cool down. The feature is only available on supported models.
•
If the device becomes hotter than usual, a device overheating message will appear. To
lower the device’s temperature, the screen brightness and the performance speed will be
limited and battery charging will stop. Running apps will be closed and you will only be
able to make emergency calls until the device cools down.
•
If the device overheats or feels hot for a prolonged period, a power off message will
appear. Turn off the device, and wait until it cools down.
8
Basics
Precautions for operating environment
Your device may heat up due to the environment in the following conditions. Use caution to
avoid shortening the battery’s lifespan, damaging the device, or causing a fire.
•
Do not store your device in very cold or very hot temperatures.
•
Do not expose your device to direct sunlight for extended periods.
•
Do not use or store your device for extended periods in very hot areas, such as inside a
car in the summertime.
•
Do not place the device in any areas that may overheat, such as on an electric heating
mat.
•
Do not store your device near or in heaters, microwaves, hot cooking equipment, or high
pressure containers.
•
Never use a damaged charger or battery.
9
Basics
Device layout and functions
Package contents
Refer to the quick start guide for package contents.
•
The items supplied with the device and any available accessories may vary
depending on the region or service provider.
•
The supplied items are designed only for this device and may not be compatible
with other devices.
•
Appearances and specifications are subject to change without prior notice.
•
You can purchase additional accessories from your local Samsung retailer. Make
sure they are compatible with the device before purchase.
•
Use only Samsung-approved accessories. Using unapproved accessories may cause
the performance problems and malfunctions that are not covered by the warranty.
•
Availability of all accessories is subject to change depending entirely on
manufacturing companies. For more information about available accessories, refer
to the Samsung website.
10
Basics
Proximity sensor
Device layout
►
Galaxy M20 models:
Speaker
Front camera
Volume key
Power key
Touchscreen
Multipurpose jack (USB
Type-C)
11
Basics
Microphone
GPS antenna
Rear camera (Dual)
Flash
NFC antenna
(NFC-enabled models)
SIM card / Memory card
tray
Fingerprint recognition
sensor
Speaker
Microphone
Main antenna
Earphone jack
12
Basics
Proximity sensor
►
Galaxy M30 models:
Speaker
Front camera
Volume key
Power key
Touchscreen
Multipurpose jack (USB
Type-C)
13
Basics
Microphone
GPS antenna
Rear camera (Triple)
SIM card / Memory card
tray
Flash
Speaker
Microphone
•
When using the speakers, such as when playing media files or using speakerphone,
Fingerprint recognition
sensor
Main antenna
Earphone jack
do not place the device close to your ears.
•
Be careful not to expose the camera lens to a strong light source, such as direct
sunlight. If the camera lens is exposed to a strong light source, such as direct
sunlight, the camera image sensor may be damaged. A damaged image sensor is
irreparable and will cause dots or spots in pictures.
•
If you use the device with its glass or acrylic body broken, there may be a risk of
injury. Use the device only after it has been repaired at a Samsung Service Centre.
•
Connectivity problems and battery drain may occur in the following situations:
•
Using a Samsung-approved screen protector is recommended. Unapproved screen
protectors may cause the sensors to malfunction.
•
Do not cover the proximity sensor area with screen accessories, such as a screen
protector or stickers. Doing so may cause the sensor to malfunction.
•
Do not allow water to contact the touchscreen. The touchscreen may malfunction
in humid conditions or when exposed to water.
–
If you attach metallic stickers on the antenna area of the device
–
If you attach a device cover made with metallic material to the device
–
If you cover the device’s antenna area with your hands or other objects while
using certain features, such as calls or the mobile data connection
14
Basics
Hard keys
KeyFunction
•
Press and hold to turn the device on or off.
Power
•
Press to turn on or lock the screen.
Volume key
Power key
Volume
•
Press to adjust the device volume.
Soft buttons
Recents button
When you turn on the screen, the soft buttons will appear at the bottom of the screen. The
soft buttons are set to the Recents button, Home button, and Back button by default. Refer to
Back button
Home button
Navigation bar (soft buttons) for more information.
15
Basics
Battery
Charging the battery
Charge the battery before using it for the first time or when it has been unused for extended
periods.
Use only Samsung-approved chargers, batteries, and cables. Unapproved chargers or
cables can cause the battery to explode or damage the device.
•
Connecting the charger improperly may cause serious damage to the device. Any
damage caused by misuse is not covered by the warranty.
•
Use only USB Type-C cable supplied with the device. The device may be damaged
if you use Micro USB cable.
To save energy, unplug the charger when not in use. The charger does not have a
power switch, so you must unplug the charger from the electric socket when not in
use to avoid wasting power. The charger should remain close to the electric socket
and easily accessible while charging.
Connect the USB cable to the USB power adaptor.
1
Plug the USB cable into the device’s multipurpose jack.
2
16
Basics
Plug the USB power adaptor into an electric socket.
3
After fully charging, disconnect the charger from the device. Then, unplug the charger
4
from the electric socket.
Reducing the battery consumption
Your device provides various options that help you conserve battery power.
•
Optimise the device using the device maintenance feature.
•
When you are not using the device, turn off the screen by pressing the Power key.
•
Activate power saving mode.
•
Close unnecessary apps.
•
Deactivate the Bluetooth feature when not in use.
•
Deactivate auto-syncing of apps that need to be synced.
•
Decrease the backlight time.
•
Decrease the screen brightness.
17
Basics
Battery charging tips and precautions
•
When the battery power is low, the battery icon appears empty.
•
If the battery is completely discharged, the device cannot be turned on immediately
when the charger is connected. Allow a depleted battery to charge for a few minutes
before turning on the device.
•
If you use multiple apps at once, network apps, or apps that need a connection to
another device, the battery will drain quickly. To avoid losing power during a data
transfer, always use these apps after fully charging the battery.
•
Using a power source other than the charger, such as a computer, may result in a slower
charging speed due to a lower electric current.
•
The device can be used while it is charging, but it may take longer to fully charge the
battery.
•
If the device receives an unstable power supply while charging, the touchscreen may not
function. If this happens, unplug the charger from the device.
•
While charging, the device and the charger may heat up. This is normal and should not
affect the device’s lifespan or performance. If the battery gets hotter than usual, the
charger may stop charging.
•
If you charge the device while the multipurpose jack is wet, the device may be damaged.
Thoroughly dry the multipurpose jack before charging the device.
•
If the device is not charging properly, take the device and the charger to a Samsung
Service Centre.
18
Basics
Fast charging
The device has a built-in fast charging feature. You can charge the battery more quickly while
the device or its screen is turned off.
Increasing the charging speed
To increase the charging speed, turn the device or its screen off when you charge the battery.
While charging the battery when the device is turned off, the
If the fast charging feature is not activated, launch the
→
Battery
activate it.
→ →
•
You cannot use the built-in fast charging feature when you charge the battery
using a standard battery charger.
•
If the device heats up or the ambient air temperature rises, the charging speed may
decrease automatically. This is a normal operating condition to prevent damage to
the device.
Advanced settings
, and then tap the
Settings
Fast cable charging
icon appears on the screen.
app, tap
SIM or USIM card (nano-SIM card)
Installing the SIM or USIM card
Device maintenance
switch to
Insert the SIM or USIM card provided by the mobile telephone service provider.
For dual SIM models, you can insert two SIM or USIM cards so you can have two phone
numbers or service providers for a single device. In some areas, data transfer speeds may be
slower if two SIM cards are inserted in the device than when one SIM card is inserted.
Use caution not to lose or let others use the SIM or USIM card. Samsung is not
responsible for any damages or inconveniences caused by lost or stolen cards.
Some LTE services may not be available depending on the service provider. For more
information about service availability, contact your service provider.
19
Basics
►
Single SIM models:
20
Basics
►
Dual SIM models:
21
Basics
Insert the ejection pin into the hole next to the tray to loosen the tray.
1
Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may
be damaged.
Pull out the tray gently from the tray slot.
2
►
3
Single SIM models: Place the SIM or USIM card on the tray 1 with the gold-coloured
contacts facing downwards.
►
Dual SIM models: Place the SIM or USIM card on the tray with the gold-coloured
contacts facing downwards. Place the primary SIM or USIM card on the tray 1 (
secondary SIM or USIM card on the tray 2 (
2 ).
2
1
Tray 2Tray 1
Gently press the SIM or USIM card into the tray to secure it.
4
If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the tray.
Insert the tray back into the tray slot.
5
1 ) and the
•
If you insert the tray into your device while the tray is wet, your device may be
damaged. Always make sure the tray is dry.
•
Fully insert the tray into the tray slot to prevent liquid from entering your device.
22
Basics
Correct card installation
►
Single SIM models:
Nano-SIM card
►
Dual SIM models:
microSD card
Nano-SIM card 1
Use only a nano-SIM card.
Nano-SIM card 2
microSD card
23
Basics
Removing the SIM or USIM card
Insert the ejection pin into the hole next to the tray to loosen the tray.
1
Pull out the tray gently from the tray slot.
2
Remove the SIM or USIM card.
3
Insert the tray back into the tray slot.
4
Using dual SIM or USIM cards (dual SIM models)
If you insert two SIM or USIM cards, you can have two phone numbers or service providers for
a single device.
Activating SIM or USIM cards
Launch the
card and tap the switch to activate it.
Settings
app and tap
Connections
→
SIM card manager
. Select a SIM or USIM
Customising SIM or USIM cards
Launch the
USIM card to access the following options:
•
Icon
•
Name
•
Network mode
Settings
: Change the icon of the SIM or USIM card.
: Change the display name of the SIM or USIM card.
app, tap
: Select a network type to use with the SIM or USIM card.
Connections
→
SIM card manager
, and then select a SIM or
Setting preferred SIM or USIM cards
When two cards are activated, you can assign voice calls, messaging, and data services to
specific cards.
Launch the
preferences for your cards in
Settings
app, tap
Connections
PREFERRED SIM CARD
→
SIM card manager
24
, and then set the feature
.
Basics
Memory card (microSD card)
Installing a memory card
Your device’s memory card capacity may vary from other models and some memory cards
may not be compatible with your device depending on the memory card manufacturer and
type. To view your device’s maximum memory card capacity, refer to the Samsung website.
•
Some memory cards may not be fully compatible with the device. Using an
incompatible card may damage the device or the memory card, or corrupt the data
stored in it.
•
Use caution to insert the memory card right-side up.
•
The device supports the FAT and the exFAT file systems for memory cards. When
inserting a card formatted in a different file system, the device will ask to reformat
the card or will not recognise the card. To use the memory card, you must format it.
If your device cannot format or recognise the memory card, contact the memory
card manufacturer or a Samsung Service Centre.
•
Frequent writing and erasing of data shortens the lifespan of memory cards.
•
When inserting a memory card into the device, the memory card’s file directory
appears in the
My Files
→
SD card
folder.
25
Basics
Insert the ejection pin into the hole next to the tray to loosen the tray.
1
Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may
be damaged.
Pull out the tray gently from the tray slot.
2
When you remove the tray from the device, the mobile data connection will be
disabled.
26
Basics
Place a memory card on the memory card tray with the gold-coloured contacts facing
3
downwards.
Memory card tray
Gently press the memory card into the tray to secure it.
4
If the card is not fixed firmly into the tray, the memory card may leave or fall out of the
tray.
Insert the tray back into the tray slot.
5
•
If you insert the tray into your device while the tray is wet, your device may be
damaged. Always make sure the tray is dry.
•
Fully insert the tray into the tray slot to prevent liquid from entering your device.
Removing the memory card
Before removing the memory card, first unmount it for safe removal.
Launch the
→
SD card
Insert the ejection pin into the hole next to the tray to loosen the tray.
1
Pull out the tray gently from the tray slot.
2
Settings
→
UNMOUNT
app and tap
.
Device maintenance
→
Storage
→ →
Storage settings
27
Basics
Remove the memory card.
3
Insert the tray back into the tray slot.
4
Do not remove external storage, such as a memory card or USB storage, while the
device is transferring or accessing information, or right after transferring data. Doing
so can cause data to be corrupted or lost or cause damage to the external storage or
device. Samsung is not responsible for losses, including loss of data, resulting from
the misuse of external storage devices.
Formatting the memory card
A memory card formatted on a computer may not be compatible with the device. Format the
memory card on the device.
Launch the
→
SD card
Before formatting the memory card, remember to make backup copies of all
important data stored in the memory card. The manufacturer’s warranty does not
cover loss of data resulting from user actions.
Settings
→
Format
app and tap
.
Device maintenance
→
Storage
→ →
Storage settings
28
Basics
Turning the device on and off
Press and hold the Power key for a few seconds to turn on the device.
When you turn on your device for the first time or after performing a data reset, follow the onscreen instructions to set up your device.
To turn off the device, press and hold the Power key, and then tap
Follow all posted warnings and directions from authorised personnel in areas where
the use of wireless devices is restricted, such as aeroplanes and hospitals.
Power off
.
Restarting the device
To restart the device, press and hold the Power key, and then tap
If your device is frozen and unresponsive, press and hold the Power key and the Volume
Down key simultaneously for more than 7 seconds to restart it.
Restart
Volume Down key
Power key
.
Emergency mode
You can switch the device to emergency mode to reduce battery consumption. Some apps
and functions will be restricted. In emergency mode, you can make an emergency call, send
your current location information to others, sound an emergency alarm, and more.
Activating emergency mode
To activate emergency mode, press and hold the Power key, and then tap
The usage time left shows the time remaining before the battery power runs
out. Usage time left may vary depending on your device settings and operating
conditions.
Emergency mode
.
29
Basics
Deactivating emergency mode
To deactivate emergency mode, tap →
hold the Power key, and then tap
Emergency mode
Turn off Emergency mode
.
. Alternatively, press and
Initial setup
When you turn on your device for the first time or after performing a data reset, follow the onscreen instructions to set up your device.
The initial setup procedures may vary depending on the device’s software and your
region.
Turn on the device.
1
Select your preferred device language and select .
2
30
Select a language.
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