O iPhone3,1, where art thou? Last time we spotted that signature, it was buried in lines of code as part of a beta OS 3.0 firmware build. Now according to data from analytics software inside iBART, the San Francisco-centric transportation app has been host to a new visitor with the aforementioned device identification number. As MacRumors points out, iPhone2,1 was originally spotted in October 2008 and later became the
