Apparently it was purely in software on iPhone/iPad. However, starting with the iPhone 16 and M4 iPad Pro, the LED indicator is rendered by a separate secure ex

Apparently it was purely in software on iPhone/iPad. However, starting with the iPhone 16 and M4 iPad Pro, the LED indicator is rendered by a separate secure exclave: https://www.tomsguide.com/phones/iphones/iphone-16s-a18-chip-has-a-useful-security-feature-that-debuted-on-apples-m4-chip https://www.tomsguide.com/phones/iphones/iphone-16s-a18-chip... https://mastodon.social/@_inside/112552696723119626 https://mastodon.social/@_inside/112552696723119626