How do I connect my iPhone to a projector with HDMI?
Get connected Connect your iPhone, iPad, or iPod touch to a display: Plug your Digital AV or VGA adapter into the charging port on the bottom of your iOS device. Connect an HDMI or VGA cable to your adapter. Connect the other end of your HDMI or VGA cable to your secondary display (TV, monitor, or projector).
How do I play my phone on a projector?
The easiest method to connect an Android device to a projector is to use Google Chromecast. To do this, your projector must support HDMI connections. Once you plug your Chromecast into the HDMI port, you can then wirelessly stream your Android device screen to it.