1

Install i-FunBox on your computer if you haven't done so already. To do, this open your Web browser and navigate to a site that offers an i-FunBox download (see Resources).
2

Plug your iPhone into your computer via the included data cable. One end goes into the port at the end of the iPhone and the other plugs into an available USB port on your computer.
3

Click on the i-FunBox application icon on your computer's desktop to launch the program.
4

Click on the "Cydia App Install" tab on-screen and then click on the "IPA Downloads" tab in the window that appears. A list of various IPA applications will appear.
5

Scroll to the app you wish to download and click "Download." The app will download to the computer.
6

Locate the "Actions" tab at the top of the i-FunBox window and then click the "Sync all Applications" option. The IPA app will be automatically put on the iPhone.