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Bood Oxygen Tracking

My Apple Watch, Series 6 stopped tracking blood oxygen. I can perform an on demand reading, but the watch won't track automatically throughout the day. What's wrong?

Apple Watch Series 6, 9

Posted on Feb 24, 2023 4:58 AM

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Question marked as Top-ranking reply

Posted on Feb 24, 2023 9:12 AM

I could be that it's not snug against your wrist.


Mine doesn't work if my wrist is twisted a bit-- it's sometimes doesn't work when I twist my wrist to look at it, but it works when my wrist is pointed away. This all seemed to change when I switched bands.


There's some good information here, about half-way down:

How to use the Blood Oxygen app on Apple Watch - Apple Support


3 replies
Question marked as Top-ranking reply

Feb 24, 2023 9:12 AM in response to goknefsk

I could be that it's not snug against your wrist.


Mine doesn't work if my wrist is twisted a bit-- it's sometimes doesn't work when I twist my wrist to look at it, but it works when my wrist is pointed away. This all seemed to change when I switched bands.


There's some good information here, about half-way down:

How to use the Blood Oxygen app on Apple Watch - Apple Support


Bood Oxygen Tracking

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