Former Apple VP Tony Fadell has dispelled the popular rumor that Apple had two rival teams working on different user interfaces for the first prototype iPhone.
Video of two prototype operating system builds for the original iPhone surfaced this week as Apple celebrated the iPhone’s 10th anniversary. One of the UIs proposed adopted the iPod’s click wheel interface and, according to Fadell, it actually worked really well.
There was just one problem: It sucked at making calls.