8. Yotaphone 2

YotaPhone is a Russian phone maker with screens on both sides of its phones and YotaPhone 2 is a second generation of its series. The last original YotaPhone suffered from a general lack of quality and supporting software but the company changed its YotaPhone 2 with a quad-core Snapdragon 800 chip, 5-inch 1080p AMOLED display up front and a 4.7-inch 540 x 960-pixel e-ink on the back, which gives you a choice of lock screen showing various alerts and updates. YotaPhone 2 specs also include a combo of 13MP rear camera and 2MP front shooter along with 3220 mAh battery. Yotaphone 2 price reaches $712.

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