

To speed things up, you can disable it by going to Settings > Bluetooth and tapping the Bluetooth toggle to the off position.

This will prevent anything from interfering with the Bluetooth signal and stalling the update.

Keep the Apple Watch and iPhone close: While both devices just need to be within Bluetooth range for the update to take place, it's recommended to keep them next to each other.If it remains stuck, even after you've waited a reasonable amount of time, you can do a few things to get it to move along: If you notice that the progress bar for the update is stuck, it could be that its file size is too big, and the Watch just needs a little more time to download it.
