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Ultra 2

Apple brings back Blood Oxygen tracking to Apple Watch after patent dispute workaround

August 14, 2025 Brian Fagioli
Apple Watch

Some Apple Watch Series 9, Series 10, and Ultra 2 owners in the U.S. will regain Blood Oxygen tracking today with an iOS and watchOS update.

Categories Apple Tags Apple, Apple Watch, Blood Oxygen, health tracking, iOS 18.6.1, Series 10, Series 9, Ultra 2, watchOS 11.6.1, wearable tech Leave a comment

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