watchOS 27.0.1 can be downloaded through the Settings app on the watch or the Apple Watch app on a connected iPhone. Software can only be installed when the Apple Watch is on the charger and has over 50 percent battery.
Apple's release notes say the update fixes bugs, including an issue that could cause the Apple Watch to restart unexpectedly.
Thursday September 17, 2026 1:34 am PDT by Tim Hardwick
Apple released watchOS 27 on September 14, bringing a new Audio Intelligence feature set to its latest Apple Watch models, but as a result, owners of previous models are set to lose out doubly in the process.
Apple Watch Series 12 and Ultra 4 models later this year will get Live Rewind, a feature that provides a transcript of any spoken audio that was picked up by the device in the last 15...
Monday September 14, 2026 10:03 am PDT by Juli Clover
Apple today released watchOS 27, the newest version of the operating system that runs on the Apple Watch. watchOS 27 is compatible with the Apple Watch Series 9 and later, the Apple Watch Ultra 2 and later, and the Apple Watch SE 3.
watchOS 27 can be downloaded for free on a compatible device through the Settings app on the watch.
The update introduces support for Siri AI, a more capable...
Thursday September 10, 2026 11:57 am PDT by Juli Clover
Some Apple Watch users who upgrade to the Series 12 or the Ultra 4 might temporarily lose access to hypertension notifications.
On the watchOS feature availability page, Apple says notifications might not be available on the Series 12 or Ultra 4 at launch because regulatory clearances are in process.
Hypertension Notifications may not be available on Apple Watch Series 12 or Ultra 4 in your ...
Good news, and fast response by Apple. downloading now, 384MB on my U4 and remember, initiate on watch and then turn BT off on phone, much faster that way
Apple's first foldable iPhone, with a book-style design featuring a 5.4-inch outer display and a 7.6-inch inner display with a minimal crease down the middle.
