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By default, your Apple Watch syncs one episode of each podcast you are subscribed to, but if you have manually downloaded podcasts to your watch, they can take up a lot of precious storage space. You can clear out that space by deleting podcasts using the Watch app on your iPhone.
How to delete podcasts from an Apple Watch
It’s only necessary to delete podcasts manually if you are using the Watch app’s “Custom” mode for adding episodes to your watch.
1. Open the Watch app on your iPhone.
2. Tap “Podcasts” from the list of apps.
3. In the “Add Episodes From” section, check to see if “Custom” is selected. If it is, then your watch might have a bunch of podcast episodes stored on it. If “Up Next” is selected, there are no podcasts on your watch.
The “Choose Shows” section lists all the podcasts you are subscribed to in the iPhone’s Podcasts app. Each podcast that is turned on (the button is green and swiped to the right) is configured to keep the most recent three episodes on your Apple …read more
Source:: Businessinsider – Tech