Incident: Southwest B38M near West Palm Beach on Aug 4th 2024, cell phone battery emits smoke in cockpit

A Southwest Airlines Boeing 737-8 MAX, registration N8889Q performing flight WN-3204 from Chicago Midway,IL to Miami,FL (USA), was in the initial descent towards Miami when the crew observed smoke from a cell phone on the flight deck and decided to divert to West Palm Beach, where the aircraft landed without further incident.