I'm unable to answer phone calls by tapping the screen

When I get a phone call I can not tap the screen to answer the call. My only option is to press the volume button on the side. If this is an option in settings I need to know how to reset this.

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Can you post a video example?

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@vearl have you tried in portrait and landscape mode? Does your touchscreen function 100% all of the time? What have you checked? Have you tried a reset yet?

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