Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer.

I explained why the Apple Watch was being banned in the US. And it had to do with its blood oxygen sensor violating a patent held by a medical devices company called Masimo. I ended the video by ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did.

Apple is trying to appeal the ban on its blood oxygen sensor again. The company hasn't offered the feature since 2024.

Apple turned off the blood-oxygen sensor last January amid a patent dispute with medical tech company Masimo, so this marks the first time Series 10 users have gotten it.