Power Button to End Call
80% of the time our thumb is near the power button while we take a phone call, so enabling the power button to end calls seem to be the smartest move. Plus, when you’re watching a captivating cricket match and you just can’t take your eyes off the TV, this prove to be the most convenient way of ending a call.

To enable it, open the Accessibility Settings and switch the Power button ends calloption to on. That’s it, now you have a physical button to end your calls.