Apple apparently left the Series 9 off a watchOS 27 compatability list. That said, the OS drops support for five older Apple Watches that currently work with watchOS 26.

Apple appears to have concealed several iOS, tvOS, and watchOS features tied to unannounced hardware coming soon.

OS 27 drops support for Apple Watch Series 8, Ultra 1, SE 2, and older models as Apple brings Siri AI to newer devices.

Khamosh Pathak is a freelance tech journalist with over 13 years of experience writing online. An accounting graduate, he turned his interest in writing and technology into a career. He holds a ...

I hope you have a modern Apple Watch or iPad, because otherwise watchOS 27 and iPadOS 27 won’t run on your device. Apple often drops support for older devices with its latest software updates, but ...

Apple today confirmed that watchOS 27 will not support the Apple Watch Series 8, Apple Watch Ultra (first generation), or ...

The company recently confirmed that watchOS 27 will only be available on Apple Watch Series 9 and newer models, Apple Watch ...

Apple announces new software for its devices once a year, at the World Wide Developers Conference. That took place on Monday, June 10 and it confirmed precisely the reports that had leaked ahead of ...

MINNEAPOLIS, Sept. 15, 2025 (GLOBE NEWSWIRE) -- Jamf (NASDAQ: JAMF), the standard in managing and securing Apple at work, today announced same-day support for Apple’s macOS Tahoe 26, iOS 26, iPadOS 26 ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...