Samsung SM-R323 Gear VR User Manual page 70

Calls
The icon displays on the screen if you receive a call while you are
using the Gear VR.
► You can reject the call, by swiping backwards or forwards on the
touchpad.
► You cannot answer calls while using the Gear VR. To answer a call,
separate the mobile device from the Gear VR.
Caution: The mobile device may become hotter than normal when it
is used with the Gear VR. This situation occurs especially if you use
the devices to watch video or play games for an extended period. If
you do need to handle the mobile device, wait until it has cooled
down before making or receiving a call.
To avoid overheating of the mobile device, its recommended you
answer incoming calls by connecting an audio headset or by using a
speakerphone.
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