ZTE’s dual-screen Axon M is fascinating and flawed

Six years ago, a smartphone maker without much clout in the US designed an Android device with a novel second screen that turned a thick phone into a small tablet. That company was Kyocera, that device was the Echo, and uh, it totally flopped. (David Blaine doing magic tricks under 10,000 gallons of water at the phones unveiling was, in hindsight, not a great omen.)

Rather than leave the idea of a dual-screen phone in the dustbin, ZTE ran with it and last month released the Axon M, ….
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