There are 2 ways to unlock a member that you have blocked.
1- To unlock a member you must go to the menu '' My favorites'' or "Who's online".
2- Then you go to the left tab '' Members blocked ''.
3- You click on the "Unblock this member" button for the person you want to authorize.
B) If you still have access to the profile of the member you have blocked, go to the bottom of his profile and click on "Unlock this member".
Click on "Menu" at the top right.
Click on "My options" followed by "Members blocked".
Click on "Unlock this member".