Duplicate Contacts Not Cool! Remove Them With DupedeDupe
Having trouble with duplicate contacts on your phone? How many friends named “John Smith” do you have? You’ll end the confusion once and for all with the aid of Modaco’s freeware app that runs on your smartphone, removing any contact duplicates.
This method is fast, effective and safe, so you won’t lose precious data, though you should make a backup, just in case. The app can be downloaded from here.