As expected, Apple has updated its U.S. website to notify customers that the Blood Oxygen feature on the Apple Watch Series 9 and Apple Watch Ultra 2 is no longer included.
Apple has added a banner to the store webpages related for both devices, and removed all mention of the feature in its product comparison tool. The change was spotted by developer Dylan McDonald.
The modified Series 9 and Ultra 2 models without a functional Blood Oxygen app have part numbers ending in LW/A, according to Apple.
"The ability to measure blood oxygen is no longer available on Apple Watch units sold by Apple in the United States after January 18, 2024," says Apple's website. "These are indicated with part numbers ending in LW/A."
Apple has removed access to the Blood Oxygen feature in the U.S. to allow it to avoid a sales ban on the associated models. The ban was ordered by the U.S. International Trade Commission (ITC) after ruling that Apple violated Masimo's pulse oximetry patents with the feature, which first appeared on the Series 6 model in 2020.
Apple Watch models sold by Apple will still include the Blood Oxygen app, but when a user opens it, they will be presented with an alert saying that the app is no longer available, and directed to the Health app on the iPhone.
Apple's website has now been updated to reflect the lack of Blood Oxygen on Apple Watch Series 9 / Ultra 2. Banner at top of webpage, missing from health features section, and missing from the compare models list. pic.twitter.com/sAutmMDJJg — (@DylanMcD8) January 18, 2024
The Blood Oxygen app still works on previously-sold Series 9 and Ultra 2 models. The feature also remains available on Apple Watch models sold outside the U.S., as the sales ban does not apply internationally. Apple strongly disagrees with the ITC's decision, and its appeal is ongoing.
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