Not enough storage available for uodate
Apple Watch Series 3, watchOS 8
This article will help explain how to complete the update. There is a specific section related to Series 3 watches in this article.
If you don’t have enough space to update your Apple Watch - Apple Support
Not enough storage space for update.
First, try to free up storage on your Apple Watch by removing any music or photos that you've synced to your watch and any apps that you don't needThen try to install the watchOS update.If that didn't work then;
Unpair your Apple Watch via the Watch app on your iPhone
Then Re-pair your Apple Watch again and setup as new,this usually frees up
enough storage space to update your watch.And without any loss of data.
If the watch updates ok then you can unpair and re-pair it again only this time you can restore from your last backup instead of setting up as new,this restores your watch to how it was but now it's updated as well.
Not enough storage for update
