The Motorola RAZR 2020 may be a bi-folding clamshell

Regardless of whether you fold them inwards or outwards, bending the phones around the vertical axis makes them thick, tall, and uncomfortable to carry around in pockets, and the problem is pretty evident with the overhauled Galaxy Fold and even the Mate X which is yet to hit the tape.

Folding on the shorter, horizontal axis, would have the resulting phone be more compact, and that's why Motorola's foldable RAZR phone of 2019 is tipped to be exactly what it says on the tin - a true spiritual successor to the RAZR clamshell, but with an invisible hinge on the interior. 

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Monday, 16 September 2019 GSM ARENA GSMArena.com