
The redesigned Blood Oxygen feature debuted past week with iOS 18.6.1 and watchOS 11.6.1, and present it is disposable for iOS 26 and watchOS 26 beta testers too.
Apple said the diagnostic has been "redesigned" connected affected devices, with sensor information from the Blood Oxygen app connected the Apple Watch present measured and calculated connected the paired iPhone. The results tin beryllium viewed successful the Respiratory conception of the Health app connected the iPhone. Apple said this workaround was backed by a caller U.S. Customs ruling.
The diagnostic had been unavailable connected Series 9, Series 10, and Ultra 2 models sold successful the U.S. since aboriginal past year, arsenic a effect of a U.S. International Trade Commission (ITC) bid stemming from a patent infringement suit filed by wellness institution Masimo.
Apple Watch models sold anterior to mid-January 2024, and anyplace extracurricular of the U.S., were ne'er impacted by the ITC's bid and thereby inactive person the archetypal Blood Oxygen app, with sensor information measured, calculated, and viewable connected the Apple Watch directly. The diagnostic was archetypal introduced connected the Apple Watch Series 6 successful 2020.
Buyer's Guide: Apple Watch (Don't Buy), Apple Watch Ultra (Don't Buy)
Related Forums: Apple Watch, iOS 26
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