If you’ve received an AdHoc iPhone application (a file with a .app extension) and associated provisioning file (a file with a .mobileprovision extension), follow these simple steps to install it on your iPhone.

  1. Connect your iPhone or iPod Touch to a computer with iTunes installed.
  2. Launch iTunes and switch to the Applications section of the Library
    iTunes Library Application Section
  3. If this is your first install of an app
    1. Save the provisioning file to your desktop…
      Saved Provisioning File on Desktop
    2. and drag it into iTunes
      Dragging the provisioning file into iTunes Library
  4. Save the application to your desktop…
    App saved on Desktop
  5. and drag it into iTunes
    Dragging the app into the iTunes Library
  6. Select your to your iPhone or iPod in the Device section in the left column of iTunes; then go to the Applications tab.
    iTunes Device Applications Tab

    7. Make sure you’ve either selected “All Applications” or that the checkbox next to the new app is selected.

  7. Click “Sync”
  8. Enjoy!