Samsung SM-G991W User Manual page 5

Basics
• 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 airplanes 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.
• The bandwidths supported by the device may vary depending on the region or service
provider.
• 5G network availability may vary depending on the country, network provider, and user
environment.
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