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Functions of components
1. Light sensor&infrared sensor; 2. Front camera; 3. Volume button; 4. Power button; 5. Menu key
6. Home Key; 7. Return key.
Light sensor: This component will automatically detect the light intensity and adjust the screen
brightness according to the light intensity for your convenience.
Infrared sensor: This component will automatically detect the distance between the body and the phone
during calls. If the body is close to the phone, the screen will be turned o to avoid enabling other
functions.This function is not available when you are calling via earphone and during hands-free mode.
Volume button: This component is used to adjust the volume. The volume will be increased when you
press the upper part and decreased when you press the lower part.
Power button: Press the button for a while to switch on/o ; Press the button to lock the screen (except
for incoming call interface and call interface).
Home Key: Press home key to run the app in background when it is running; Press the key to return to the
home screen from other pages.
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