Free up space on watch
My watch cannot update and prompts me to free up space. I have been to iStore but still no assistance
Apple Watch Series 3, watchOS 7
User profile for user:
Community User
Try this;
Unpair your Apple Watch via the Watch app on your iPhone.
Then Re-pair your Apple Watch again,this usually frees up
enough storage space to update your watch.And without any loss of data.