Usar la aplicación APKPure
Obtener Duplicate Contacts Remover - Android - ALL Free versión histórica en Android
Remove merge cleanup clear Duplicate Contacts from Your Phonebook smart android
Application Scans your PhoneBook( Contacts ) and detects all the duplicates, then shows you the list of the duplicated contacts and with your confirmation it clear them all up. All takes like a few seconds, and application totally free. Its usable by all androids, LG, Samsung, HTC, Sony, Xiaomi, Lenovo, General Mobile and other brands.