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Basics
5
•
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
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 and tap
Display
→
Auto
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
Settings
app and
tap
About phone
→
Status
.
•
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
Summary of Contents for Galaxy M30
Page 20: ...Basics 20 Single SIM models ...
Page 21: ...Basics 21 Dual SIM models ...