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iOS 27 Beta, Leaks and Supplier Notes Point to Split iPhone 18 Launch and First Foldable

Reported code references, battery and accessory leaks, and supplier comments suggest Apple will debut high-end Pro models and a foldable in September while mass‑market models arrive in early 2027, a schedule that could tighten supply and raise costs.

Overview

  • Developers who inspected iOS 27 beta 5 found battery‑related code that reporters say references six unreleased internal device IDs believed to map to the iPhone 18 family, an iPhone Air 2 and a foldable device; this is reported evidence that Apple is adding software support for new power setups.
  • Multiple hardware leaks and a regulatory listing have surfaced this week claiming a materially larger iPhone 18 Pro Max battery — roughly 5,391 mAh for some China units and about 5,567 mAh for U.S. units — which sources say reflects regional SIM‑tray and eSIM design differences.
  • Accessory images and hands‑on posts from known leakers show an asymmetric cover protector and a right‑side punch‑hole for the foldable’s cover screen, and several outlets report Apple employees already call the device the 'iPhone Ultra,' though the marketing name is not confirmed.
  • Supply‑chain reporting, including comments tied to Pegatron and multiple analysts, indicates Apple is expected to stagger its launches with the iPhone 18 Pro, Pro Max and the foldable in September and the standard iPhone 18, 18e and Air 2 in early 2027, a change outlets link to component constraints and yield risks.
  • Reporting also ties Pro‑line upgrades to a new A20 Pro chip reportedly built on TSMC’s 2nm process and notes a dispute over a 2027 all‑glass redesign, with Bloomberg’s sources saying the glass‑centric plan remains in testing despite an analyst claim it was canceled.