Nobody comes here for Apple news, so I assume you’ve already heard that Apple has started activating the blood oxygen sensor on all Apple Watches with the sensor. Until today, watches sold in the United States after January 2024 had their sensors deactivated because of the Masimo patent. As mentioned in the linked press release, new versions of watchOS (11.6.1) and iOS (18.6.1) will work together to let you take readings on your watch and then calculate and display the blood oxygen level on...
