Apple(US:AAPL) Zhi Tong Cai Jing·2025-09-05 06:57Core Insights - Apple Inc. has announced the restoration of the blood oxygen tracking feature on the Apple Watch in the U.S. market following a settlement with Masimo Corp. regarding a long-standing legal dispute [1] - The blood oxygen feature was previously removed due to patent litigation and a U.S. Customs order, effective from the end of 2023 [1] - The restoration will be implemented through updates to iOS 18.6.1 and watchOS 11.6.1, with adjustments made to how the feature operates [1] Feature Details - The blood oxygen data will no longer be displayed directly on the Apple Watch but will be transmitted to the paired iPhone for processing [1] - Users can view the results in the "Breathing" section of the "Health" app on their iPhone [1] - The update applies to U.S. users of Apple Watch Series 9, Series 10, and Apple Watch Ultra 2 that had the blood oxygen feature disabled [1] Exclusions - Apple Watches that already had the blood oxygen feature or were purchased outside the U.S. will not be affected by this update [1]