What is the easiest way to remove duplicate contacts on my Iphone?
What is the easiest way to remove duplicate contacts on my Iphone and avoid them in the future?
iPhone 5, iOS 6.0.1
There are apps that will locate and remove duplicate contacts, such as My Contacts Backup Pro. As for preventing them in the future, if you are syncing contacts both with iTunes and iCloud this will create duplicates. If you are, pick one and disable the other.