I have an iPhone X running iOS 11.3 and I have an issue where voiceover speaks even when I'm talking on the ear piece. Also, sometimes my face will inadvertently mute speech or activate the back button when I'm recording an audio message. In the past, when the iPhone was to your ear, none of this would be possible as the screen would be practically locked until you move the phone away from your ear. I have the noise cancelation feature turned on in accessibility settings. Any help would be appreciated. Thanks.