The quickest way to turn off your iPhone 16 is using the physical buttons. Press and hold the side buttonand either volume button simultaneously until you see the power off slider appear on screen.

I Hated the Apple Intelligence Button on My iPhone 16. Here's How I Turned It Off for Good Commentary: I made my iPhone a little bit dumber by turning off this button. It's made my life much better.

Assuming you’ve already turned it on, here’s how to turn off specific features of Apple Intelligence. And if you really don’t like it, here’s how to turn it off completely.

The quickest way to turn off your iPhone 16 is using the physical buttons. Press and hold the side button and either volume button simultaneously until you see the power off slider appear on screen.

Scroll down to find and tap on Apple Intelligence & Siri. Turn off the Apple Intelligence toggle. Making the above changes should make your iPhone 16 Pro Max last longer on a single charge.