Apple Secretly Tested M3 Ultra Chip in MacBook Pro Models
Apple tested the powerful M3 Ultra chip in MacBook Pro models, a leak from iOS 18 reveals. Find out why it never launched.
Matilda
Apple Secretly Tested M3 Ultra Chip in MacBook Pro Models Apple Tested M3 Ultra in MacBook Pro: What iOS 18 Leak Reveals Curious if Apple ever considered putting the M3 Ultra chip in a MacBook Pro? A newly surfaced iOS 18 leak reveals the tech giant secretly tested the high-performance chip in unreleased 14-inch and 16-inch MacBook Pro models. Although the M3 Ultra is currently exclusive to the Mac Studio, internal code found in an early iOS 18 build suggests that Apple experimented with bringing this powerful desktop-class silicon to its flagship laptops. Image : Google What Does the iOS 18 Leak Tell Us? The revelation comes from a post on BiliBili, a Chinese social media platform, where an anonymous leaker claimed to have found references to unreleased MacBook Pro models in iOS 18. Specifically, internal file paths on an iPhone 16 engineering prototype included codenames J514d and J516d—variants of known M3 Pro and M3 Max MacBook Pros. The "d" suffix aligns with Apple's codename for devices equipped with Ul…