Apple Intelligence hasn't convinced people to buy an iPhone 16, Apple analyst Ming-Chi Kuo said today. According to Kuo, a supply chain

If you really don’t want anything to do with Apple Intelligence, and you’ve already enabled it, you can turn it off completely. Look for the Apple Intelligence toggle switch at the top to fully enable or fully disable all of the Apple Intelligence features currently available on your iPhone.

To completely turn off the AI software, just head to your settings, scroll down and tap Apple Intelligence and Siri. Now, assuming you previously turned Apple Intelligence on, just toggle the top button off. This will kill all of the AI functionalities, from the Writing Tools to the email summaries to Genmoji, until you enable them again.