Lenovo's Vibe Z2 and X2 smartphones offer great specs at a mid-range price point

Lenovo's latest two handsets are undoubtedly premium offerings, and while they can't quite compete with the company's flagship Vibe Z2 Pro smartphone, they do offer some compelling specs in thin and light form factors. They're also very different devices, with the Vibe X2 opting for high-end optics, and the Vibe X2 opting for the higher resolution display. ..