Images of a part that appears to be a casing for a revision of the iPhone 4 have appeared online. Mac Rumors, which received the images from iPatchiPods, reports that the casing looks much like that of the iPhone 4, but with a few noticeable differences. Most notably are two antenna breaks at the bottom of the casing—setting it apart from similar parts for both the GSM and CDMA versions of the iPhone 4—which may suggest that this new handset…
