Long-term use of the process in the address book, contacts will be repeated often added, resulting in repeated contact, there are many contacts in constant contact and other information modification, resulting in information redundancy, so it needs to be cleaned up address book, this section software will be able to realize the communication record cleanup function.
Note: When the program starts, run the program to access your communication rate, otherwise it is impossible to clean up, if you start clicking the No, set in the Setting -> Privacy -> Contacts authorize My Contacts Cleaner Access Communications record, you can start again.