I’ve got it on my home screen and it’s as simple as raise to wake while authenticating Touch ID then 3D Touch settings and select WiFi (you don’t have to lift y

I’ve got it on my home screen and it’s as simple as raise to wake while authenticating Touch ID then 3D Touch settings and select WiFi (you don’t have to lift your finger just slide) and tap the toggle. You can also just ask Siri.