About Clean:up
Clean Up allows you to delete data and files from your phone. Just pick up the type of file to CleanUp. If you already marked type of content and then you decide not to clean it up just tap on the file type again to unmark it. If you are sure that you want to CleanUp all the content you marked just tap CleanUp!
CleanUp can clean these types of content:
Contacts
SMS Messages
Photos
Videos
Audios
Events