Samsung SM-G390YZKAXSP User manual

www.samsung.com
USER MANUAL
English. 09/2018. Rev.1.0
SM-G390F
SM-G390Y

2
Table of Contents
Basics
4 Read me first
6 Device overheating situations and
solutions
9 Maintaining water and dust resistance
11 Package contents
14 Battery
18 SIM or USIM card (microSIM card)
19 Memory card (microSD card)
21 Attaching a hand strap
22 Turning the device on and off
23 Initial setup
25 Samsung account
26 Transferring data from your previous
device
31 Understanding the screen
40 Notification panel
42 Entering text
Apps and features
44 Installing or uninstalling apps
46 Phone
51 Contacts
56 Messages
58 Internet
60 Email
61 Camera
71 Gallery
78 Multi window
83 Samsung Notes
84 Calendar
85 Samsung Health
89 Voice Recorder
90 My Files
90 Clock
92 Calculator
93 Radio
94 Sharing content
95 Google apps

Table of Contents
3
Appendix
129 Troubleshooting
Settings
97 Introduction
97 Connections
98 Wi-Fi
100 Bluetooth
102 Data saver
102 NFC and payment
105 Mobile Hotspot and Tethering
106 More connection settings
108 Sounds and vibration
109 Notifications
109 Display
110 Blue light filter
111 Screensaver
111 Wallpapers and themes
112 Advanced features
113 Dual Messenger
114 Device maintenance
116 Apps
116 Lock screen
117 Security
118 Secure Folder
123 Cloud and accounts
124 Backup and restore
125 Google
125 Accessibility
126 General management
127 Software update
128 User manual
128 About phone

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.
•
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.
•
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.

Basics
5
•
Be careful not to forget your unlock codes for the screen lock, accounts, and other
security features. If you forget an unlock code, you will not be able to use the device if
you do not reset it. Samsung is not responsible for any data loss or inconvenience caused
by forgotten unlock codes.
•
Depending on the region, you can view the regulatory information on the device. To
view the information, launch the
Settings app and tap About phone
→
Regulatory
information
.
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

Basics
6
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.

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.
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.

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.
•
Never use a damaged charger or battery.
Maintaining water and dust resistance
Your device supports water- and dust-resistance. Follow these tips carefully to maintain the
water- and dust-resistance of your device. Failure to do so may result in damage to your
device.
•
Do not immerse the device in fresh water deeper than 1.5 m or keep it submerged for
more than 30 minutes. If you immerse the device in any liquid other than fresh water,
such as salt water, ionised water, or alcoholic beverage, liquid will enter the device faster.
•
Ensure that the back cover is tightly closed. Otherwise, it may not provide protection
from water and dust.
•
Do not immerse the device in water for extended periods.
•
Do not expose the device to water moving with force, such as running water from taps,
ocean waves, or waterfalls.
•
Do not open the device’s covers when the device is in water or in very humid places, such
as swimming pools or bathrooms.
•
Do not open the back cover using wet hands or when the device is wet.
•
The rubber seal fitted to the back cover is an important component of the device. Take
care when opening and closing the back cover to avoid damaging the rubber seal. Also,
ensure that the rubber seal is free from debris, such as sand or dust to prevent damage to
the device.

Basics
10
•
If the device is exposed to fresh water, dry it thoroughly with a clean, soft cloth. If the
device is exposed to other liquids, such as salt water, swimming pool water, soapy water,
oil, perfume, sunscreen, hand cleaner, or chemical products such as cosmetics, rinse it
with fresh water and dry it thoroughly with a clean, soft cloth. If you do not follow these
instructions, the device’s performance and appearance may be affected.
•
The back cover may be loosened if the device is dropped or receives an impact. Ensure
that all the covers are properly aligned and tightly closed.
•
If the device has been immersed in water or the microphone or speaker is wet, sound
may not be heard clearly during a call. After wiping the device with a dry cloth, dry it
thoroughly before using it.
•
The touchscreen and other features may not work properly if the device is used in water.
•
If the device is dropped or receives an impact, the water- and dust-resistant features of
the device may be damaged.
•
Your device has been tested in a controlled environment and certified to be water-
and dust-resistant in specific situations (meets requirements of classification IP68 as
described by the international standard IEC 60529-Degrees of Protection provided by
Enclosures [IP Code]; test conditions: 15-35 °C, 86-106 kPa, fresh water, 1.5 metre, 30
minutes). Despite this classification, it is still possible for your device to be damaged in
certain situations.

Basics
11
Package contents
Check the product box for the following items:
•
Device
•
Battery
•
Quick start guide
•
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.

Basics
12
Device layout
Microphone
Touchscreen
Speaker
Headset jack
Multipurpose jack
Home key
Recents key
Power key
Front camera
Back key
Speaker
Proximity sensor
Volume key
XCover key
NFC antenna (on the
battery)
Rear camera
GPS antenna
Back cover
Main antenna
Flash

Basics
13
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.
•
Connectivity problems and battery drain may occur in the following situations:
–
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
•
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.
Keys
Key Function
Power
•
Press and hold to turn the device on or off.
•
Press to turn on or lock the screen.
Recents
•
Press to open the list of recent apps.
Home
•
Press to turn on the screen while the screen is locked.
•
Press to return to the Home screen.
•
Press and hold to launch Google Assistant .
Back
•
Press to return to the previous screen.
•
Press and hold to access additional options for the current screen.
XCover
•
Press or press and hold to launch preset apps.
•
Press to take a photo in camera mode.
Volume
•
Press to adjust the device volume.

Basics
14
Battery
Installing the battery
1 Remove the back cover.
Be careful not to damage your fingernails when you remove the back cover.
Do not bend or twist the back cover excessively. Doing so may damage the cover.
2 Insert the battery with the battery’s gold-coloured contacts properly aligned with the
device’s contacts.
2
1

Basics
15
3 Replace the back cover.
2
1
Press
Align
Ensure that the back cover is closed tightly to prevent water and dust from entering
the device. Open or loose back cover may allow water and dust to enter the device
and cause damage.
Use only Samsung-approved back covers and accessories with the device.
Removing the battery
1 Remove the back cover.
2 Pull out the battery.

Basics
16
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.
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.
1 Connect the USB cable to the USB power adaptor.
2 Plug the USB cable into the device’s multipurpose jack.
3 Plug the USB power adaptor into an electric socket.
4 After fully charging, disconnect the charger from the device. Then, unplug the charger
from the electric socket.
Do not remove the battery before removing the charger. This may damage the
device.

Basics
17
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 the Wi-Fi feature when not in use.
•
Deactivate auto-syncing of apps that need to be synced, such as emails.
•
Decrease the backlight time.
•
Decrease the screen brightness.
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.

Basics
18
SIM or USIM card (microSIM card)
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
•
Use only a microSIM card.
•
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.
1 Remove the back cover and battery.
2 Insert the SIM or USIM card with the gold-coloured contacts facing downwards.
Do not insert a memory card into the SIM card slot. If a memory card happens to be
lodged in the SIM card slot, take the device to a Samsung Service Centre to remove
the memory card.
3 Replace the battery and back cover.

Basics
19
Removing the SIM or USIM card
1 Remove the back cover and battery.
2 Pull out the SIM or USIM card.
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.

Basics
20
1 Remove the back cover.
2 Insert a memory card with the gold-coloured contacts facing downwards.
3 Replace the back cover.
Removing the memory card
Before removing the memory card, first unmount it for safe removal.
Launch the
Settings app and tap Device maintenance
→
Storage
→ →
Storage settings
→
SD card
→
UNMOUNT .
1 Remove the back cover.
2 Pull out the memory card.
3 Replace the back cover.
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.