Contact CleanerOrganize duplicate contacts, and delete contacts with no phone number.first Summary of Application1. Select and delete individual or all your contacts without a phone number2. Merge contacts with the Same phone number.3. Select and delete Contacts With Phone Number4. Select and delete all the contacts.5. Select and delete Contacts by Search6. Contact Details screen provides the* Merge Contacts By Phone Number1. Click Merge Contacts By Phone Number on the menu.* Delete Contacts without Phone Number1. Click Contacts without Phone Number on the menu.2. select all or select individual from the Select button.3. Click delete menu* Delete Contacts for Search1. Click Contacts for Search on the menu.2. select all or select individual from the Select button.3. Click delete menuif you have problem1.disconnect any SNS synchronization(ex, twitter,facebook, google) before start contact cleaner2.do contact cleaner.3. synchronize above SNS again.because some device do auto synchronize with contact DB which cause conflict with synchronization.