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Apple Watch owners in the U.S. just got a big reason to update their devices. Apple just rolled out a redesigned Blood Oxygen feature to specific models, following a recent victory in a legal dispute. This change affects Apple Watch Series 9, Series 10 and Apple Watch Ultra 2 users who have been without the feature due to the ongoing battle.

Thanks to a U.S. Customs ruling, these users will soon be able to track their blood oxygen levels again, with a twist.

Instead of processing the data directly on the watch, the measurements will now be calculated on the paired iPhone and displayed in the Respiratory section of the Health app.

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