[Galaxy S6/S6 EDGE] How to turn off the notifications?
The ability to turn off the notifications feature so you do not get notification alerts during calls
is supported on Android Lollipop OS version 5.1.
If you have recently updated to Android OS 5.1 version, then the feature is available on your device
(Refer to the below screenshots)
However, if device is based on Android OS 5.0 and not yet updated, S6 device will be need to be
updated to 5.1 version to support the feature
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