If you blocked a user a long time ago, they might have changed their channel name.
You cannot unblock yourself from someone else’s list. If a user blocked you, you cannot comment on their channel or see their community posts. The only way to reverse this is to contact that user via a different method (Twitter, email, etc.) and ask them to unblock you.
The mobile app has a slightly different interface. Here’s how to do it:
Step 1: Open YouTube App Sign in to your account. how to unblock users on youtube
Step 2: Go to Your Account Menu Tap your profile picture in the top-right corner.
Step 3: Enter “Settings” From the menu that appears, tap “Settings” (gear icon).
Step 4: Go to “Community settings” In the Settings menu, scroll down and tap “Community settings” (under the “Channel” section). If you blocked a user a long time
Step 5: Tap “Blocked users” You will now see a list titled “Blocked users” or “Hidden users on your channel.” This list shows everyone you have blocked.
Step 6: Unblock the User
Step 7: Done The user is immediately unblocked. They can now comment, reply, and interact with your channel normally. Step 7: Done The user is immediately unblocked
Note: On some older app versions, “Blocked users” might be found under “Channel settings” > “Hidden users.” If you don’t see it under Community settings, check there.
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):
If you go to your Blocked Users list and the person isn't there, but you are certain you blocked them, there are two possibilities: