Forbes August 21, 2025
For millions of Apple Watch Series 9, Series 10 and Ultra 2 users who didn’t have the blood oxygen monitoring (SpO2) feature on their smartwatch, last week’s software updates offered a key workaround. Now, medical technology company Masimo has filed a lawsuit. Here’s what it all means.
As you may know, Apple Watches since Series 6 (with the exception of the Apple Watch SE) have included a blood oxygen monitoring feature. However, a lawsuit from Masimo ended up with Apple disabling the feature in early January 2024 for all compatible watches sold in the U.S. Apple Watches outside the States are unaffected and the feature has always worked.
Earlier this month, Apple released two software updates, one for Apple Watch...
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