Review: Updated: Yotaphone 2

Introduction and designIt's not often you come across a truly unique device in the smartphone market, but the Yotaphone 2 is exactly that. Unique.From the front it looks like any other Android smartphone, but flip it over and you're greeted with a second, all-touch display - only it's an e-ink screen similar to those found on ereaders.The Yotaphone 2 is the Russian brand's second entry into the market following on from the original, proof of concept, Yotaphone which launched in 2013 and aimed sq