How to: 1 Please install "theos" form here(https://github.com/DHowett/theos) if you not theos 2 Get ios5 private headers from here(https://github.com/mattlawer/iOS5-Private-Frameworks) then put them in to your-theos-installed-folder/include/ 3 Use theos create a tweak project, maybe project name is "testTweak" 4 Copy iPhoneCallAttribution/* to testTweak