The process for YouTube’s sibling apps (YouTube TV and YouTube Music) mirrors the main app.

If you can find a comment from the blocked user on one of your videos (they will appear as “Comment hidden” or with a “Blocked” badge):

The mobile app interface is more streamlined, which unfortunately means the "Blocked Users List" is harder to find. You usually have to search for the specific channel to unblock them.

Option A: If you know their channel name

Option B: If you don't remember their name If you cannot remember the user’s name, the mobile app makes this difficult. You will need to:

This usually means you are trying to unblock a user who has since been terminated by YouTube for violating policies. You cannot unblock a deleted or banned channel.

YouTube servers do not update in real-time.