New iPhone 18 Pro Models Will Have Day One Update
Customers receiving an iPhone 18 Pro , ‌iPhone 18 Pro‌ Max, an Apple Watch Series 12, or an Apple Watch Ultra 4 tomorrow will need to install a software update right away. The ‌iPhone 18 Pro‌ and ‌iPhone 18 Pro‌ Max ship with iOS 27 variants with a 24A427 or 24A8428 version number. The launch version of ‌iOS 27‌ is version 24A437, so if you're getting an…
Customers who buy an iPhone 18 Pro, iPhone 18 Pro Max, Apple Watch Series 12 or Apple Watch Ultra 4 on September 18 will need to install a software update immediately. The iPhone 18 Pro and iPhone 18 Pro Max come equipped with iOS 27 variants, numbered 24A427 or 24A8428. The launch version of iOS 27 is 24A437, so those purchasing an iPhone 18 Pro can anticipate an update during the setup process.
Apple Watch Series 12 and Apple Watch Ultra 4 will have watchOS 27, version 24R359, but the initial version of watchOS 27 is 24R364. It is also anticipated that AirPods 5 will receive a day one firmware update, although this will be done wirelessly. Apple recently distributed 9A350 AirPods firmware to enable compatibility with iOS 27 features. All of these new products are slated for release on Friday, September 18.
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