My contact remains blocked after I unblocked it on my iPhone 5s?

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I blocked a contact on my iPhone 5s but then decided to unblock it. I followed the steps to unblock it but that contact doesn't get my text messages or my calls? I believe that there's a malfunction.
 

nikkisharif

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Jun 2, 2011
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Blocking doesn't stop you from sending something to their phone so they may have blocked you just like the previous comment stated.