iPhone and Apple Watch Activity app not tracking fitness

I was trying to find answer to the situation where my iPhone and watch Activity App wasn’t tracking my fitness activity. It took 2 days to figure this out but after resetting/disconnecting my Cellular and WiFi data it got fixed it and all is good now.

Apple Watch Ultra 2, watchOS 26

Posted on Dec 2, 2025 6:03 PM

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4 replies

Dec 2, 2025 10:49 PM in response to blbh078

Yes, some users in this community reported as well, that only erasing and pairing the watch again solved the issue of syncing Activity data from the Apple Watch to the iPhone.

Unpair and erase your Apple Watch - Apple Support


Maybe you should also send your feedback about that directly to Apple Techs, to make them aware of such issues:

Feedback - Apple Watch - Apple


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iPhone and Apple Watch Activity app not tracking fitness

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