Apple’s on-time iOS 27 beta confirms the iPhone 18 Pro launch is set for September

A second developer beta of iOS 27 landed on June 22 without a hitch, and that single data point is the strongest signal yet that Apple's September launch calendar is locked in. The beta arrived right on schedule, confirming development is proceeding normally for what Forbes' David Phelan calls "a big year for Apple." The long-delayed new Siri is promised for the iOS 27 launch, and the on-time beta drop suggests that promise will hold.

Here is what the software timeline tells us about the hardware release. If Apple follows its established cadence, the third developer beta arrives around July 6, followed by the first public beta. A release candidate should land on or around September 9.

Phelan projects the September keynote will also fall on September 9, a Wednesday, since Labor Day falls on Monday, September 7, pushing the event a day later than Apple's typical Tuesday slot. The iPhone 18 Pro and iPhone 18 Pro Max will share that stage with Apple's first foldable device, expected to be called the iPhone Ultra. Two new Apple Watches are also predicted for the same event.

The foldable Ultra has been the subject of months of delay speculation. A Barclays note from March projected a December launch.

Bloomberg's Mark Gurman used the phrase "a little bit delayed," and Nikkei Asia reported engineering problems could push the device into early 2027.

Those concerns have now been countered by Apple's own supply chain. According to China Securities Journal (via DigiTimes), a supplier recently started delivering components in small batches for the foldable iPhone and received guidance that the device will be unveiled in September. A second supply-chain source said it had received no indication of a delay and continues working toward a fall 2026 timetable.

The foldable iPhone Ultra is expected to feature a 7.8-inch inner display, a 5.5-inch cover display, the A20 chip and C2 modem, a Touch ID power button instead of Face ID, and two rear cameras. Pricing is rumored around $2,000.

If Apple does need to stagger shipments, it would likely follow the iPhone X playbook from 2017: announce the entire lineup together in September and release each model as production allows. But right now, the iOS 27 beta schedule points to everything running on time.

Pricing pressure is the other story. JP Morgan analysts predict the iPhone 18 Pro's price will rise by at least $100, with some estimates reaching $200.

Apple CEO Tim Cook has said inflationary pressures on memory and storage have made current pricing unsustainable. TSMC is raising prices by 5% to 10% across all advanced nodes, affecting Apple, AMD, Nvidia, and Qualcomm.

Apple's in-house chip designs help absorb some of the shock, reducing potential assembly costs from $449 to $426, but rising raw material costs remain.

Apple is expected to introduce the foldable iPhone Ultra at $1,999, expanding the portfolio with wider price gaps that protect gross margin targets. Samsung already tested this approach, removing the 128 GB storage option from its Galaxy S26 lineup and normalizing 256 GB as the new base configuration. The September 9 keynote, the iOS 27 release candidate, and the supply chain deliveries all point in one direction: Apple's biggest iPhone lineup in years is coming on schedule.