Turn on Wi-fi, select "CUHK1x", login with your email address, OnePass password and Duo 2FA authentication

Swipe up from the bottom of your screen to access Control Center and select "AirPlay"

Start projecting image onto projection screen from your device

Select Wi-fi logo (Tips: On the top right-hand corner) and turn on Wi-fi

Select "CUHK1x", login with your email address, OnePass password and Duo 2FA authentication

Click Control Centre in the menu bar and click the Screen Mirroring icon on device

Select the classroom name from the list

Start projecting image onto projection screen from your device