After a years-long patent dispute with the medical device maker Masimo, Apple announced today that the popular Blood Oxygen reporting feature will be returning to the Apple Watch. In a blog post, Apple said the feature will be available later today for U.S. customers with the Apple Watch Series 9, Series 10, and Apple Watch Ultra 2 after users update their iPhones to iOS 18.6.1 and their smartwatch to watchOS 11.6.1.
The blog post reads, “Following this update, sensor data from the Blood Oxygen app on Apple Watch will be measured and calculated on the paired iPhone, and results can be viewed in the Respiratory section of the Health app. This update was enabled by a recent U.S. Customs ruling.”
Back in 2023, just before the holiday shopping season, the newly released Apple Watch Series 9 and Ultra 2 were pulled from shelves in the U.S. due to the dispute with Masimo. The company was also prohibited from importing new Apple Watches with the feature, as Mashable reported at the time. The medical device maker claimed Apple had violated its patent in designing the blood oxygen feature, and the International Trade Commission ruled in Masimo’s favor.
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