How the iPhone Duo compares to other folding phones

The Apple iPhone Duo features a passport-style folding hinge. | Photo: Antonio G. Di Benedetto / The Verge Apple's foldable phone is finally here - well, almost. The iPhone Duo, coming October 23rd, follows in the footsteps of past folding devices from Android phone makers like Samsung, OnePlus, and Google, with a $1,999 price tag that sits just above the...