Samsung Galaxy A03 Core User manual

www.samsung.com
USER MANUAL
English. 11/2021. Rev.1.0
SM-A032F
SM-A032F/DS
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2
Table of Contents
Basics
4 Read me first
6 Device overheating situations and
solutions
10 Device layout and functions
13 Charging the battery
15 SIM or USIM card (nano-SIM card)
16 Memory card (microSD card)
19 Turning the device on and off
19 Initial setup
20 Understanding the screen
27 Notification panel
28 Entering text
Apps and features
30 Installing or uninstalling apps
31 Phone
33 Contacts
36 Messages
37 Internet
38 Camera
43 Samsung Members
43 Calendar
44 Radio
44 Clock
45 Calculator
45 Sharing content
45 Google apps
Settings
47 Introduction
47 Connections
48 Wi-Fi
49 Bluetooth
50 Data saver
51 Mobile Hotspot
51 More connection settings
53 Sounds and vibration
53 Apps and notifications
54 Display
54 Lock screen and security
55 Smart Lock
55 Privacy
56 Location
56 Accounts
56 Google
57 Digital Wellbeing and parental
controls

Table of Contents
3
57 Smart Manager
57 Optimising your device
58 Battery
58 Storage
59 Memory
59 Accessibility
59 System
Appendix
61 Troubleshooting

4
Basics
Read me first
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.
•
The device may require a connection to a Wi-Fi or mobile network when using some apps
or features.
•
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.

Basics
5
•
Modifying the device’s operating system or installing software 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
Settings app, tap Display
→
Screen timeout , and then select the length
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
Settings app, tap Display , and then tap the
Adaptive brightness switch to activate it.
•
The use of mobile devices on aeroplanes or ships may be subject to federal and local
guidelines and restrictions. Check with the appropriate authorities and always follow
crew instructions regarding when and how you may use your device.
•
Depending on the region, you can view the regulatory information on the device. To
view the information, launch the
Settings app and tap System
→
About phone
→
Regulatory information .
•
Your device contains magnets. Keep a safe distance between your device and objects
that may be affected by magnets such as credit cards and implantable medical devices. If
you have an implantable medical device, consult your physician before use.

Basics
6
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
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 charging speed may decrease or 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.

Basics
7
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

Basics
8
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.
Precautions for device overheating
If you begin to feel uncomfortable due to the device overheating, stop using the device.
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 overheats and reaches a certain temperature, a warning message will appear
to prevent device failure, skin irritations and damages, and battery leakage. 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 all calling and other
features will be limited, except for emergency calls, until the device cools down.
•
If the second message appears due to a further increase of the device’s temperature, the
device will turn off. Do not use the device until the device’s temperature drops below the
specified level. If the second warning message appears during an emergency call, the call
will not be disconnected by a forced shut down.

Basics
9
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.
•
Do not use a cable whose covering is peeled off or damaged, and do not use any charger
or battery that is damaged or malfunctioning.

Basics
10
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.