The application was released for the Chinese market, and it's not available in the English language. There is also no option to change the language from the i4Tools interface. But if you are looking for i4Tools English, the developer released 3uTools for the global market. I4 Assistant allows you to manage apps, photos, music, ringtones, videos, books, contacts, and other multimedia files on your iPhone.
Of course, there is also a full-featured backup utility that can back up all data to a computer and restore your device with one click.
