My HDMI Philips monitor supported MHL. And DVI-D, incidentally. However, I was never able to use MHL display. None of my devices seemed to support it. Android

My HDMI Philips monitor supported MHL. And DVI-D, incidentally. However, I was never able to use MHL display. None of my devices seemed to support it. Android Kitkat/Lollipop, Samsung Galaxy Tab. I’ve no idea what sort of cable would’ve been needed. There was no USB connector on the monitor.