Apple Watch and Apple Fitness App not syncing

My iPhone updated to the new IOS 18.3.1 this morning and ever since, the Fitness app has not been updated with the activity my Apple Watch has tracked today. There isn’t a new update needed for my Apple Watch. It is at watchIOS 11.3.1. I have turned my Apple Watch and iPhone both off and back on. Any help would be appreciated. Thank you.

iPhone 16, iOS 18

Posted on Mar 3, 2025 02:56 PM

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1 reply

Ingo2711

Level 9

77,661 points

Mar 4, 2025 12:18 AM in response to Perks34

If a normal restart had not worked, did you also try to force restart your iPhone and Apple Watch?

Force restart iPhone - Apple Support

To force restart your watch, press and hold the Digital Crown and the Side button together for about 10sec, until the Apple logo comes back again.

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Apple Watch and Apple Fitness App not syncing

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