Are you trying to update WatchOS8 on your Apple Watch 6, SE, 5, 4, but it is not updating or stuck on preparing? In this video we will show you how you can easily fix WatchOS 8 not updating problem on Apple Watch. 0:00 What this video is about. 0:42 Charge your Apple Watch and iPhone 1:00 Turn off Power reserve mode 1:25 Restart your Router 1:44 Use iPhone update your Apple Watch