To unblock someone on Twitter, sign on to your Twitter account, and enter the name of the blocked person in the search box. Click on the person’s name, and click the Undo link that is located next to the person’s profile.Continue Reading
Log in to your Twitter account.
Enter the name of the blocked person in the search box. Locate their name from the results list.
Click on the name of the blocked person, and click Undo from the person’s profile that is located on the side of the Twitter window. This person can now follow you.