Samsung SM-A920FZIJUPO, Руководство пользователя

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Basics
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Connectivity problems and battery drain may occur in the following situations:
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If you attach metallic stickers on the antenna area of the device
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If you attach a device cover made with metallic material to the device
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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
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Using a Samsung-approved screen protector is recommended. Unapproved screen
protectors may cause the sensors to malfunction.
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Do not cover the proximity/light sensor area with screen accessories, such as a
screen protector or stickers. Doing so may cause the sensor to malfunction.
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Do not allow water to contact the touchscreen. The touchscreen may malfunction
in humid conditions or when exposed to water.
Hard keys
Volume key
Power key
Bixby key
Key Function
Power
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Press and hold to turn the device on or off.
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Press to turn on or lock the screen.
Bixby
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Press to launch Bixby. Refer to Bixby for more information.
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Press and hold to start a conversation with Bixby. Refer to Using
Bixby for more information.
Volume
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Press to adjust the device volume.