Lenovo might not be the first name that springs to mind when you think of smartphones but the Chinese company is one of the biggest sellers in its home market. Its latest offering is the K900 – a 5.5″ smartphone – slightly larger than the three we detailed yesterday but with the same 1920 x 1080 pixel count to give a resolution of 400ppi. It also features a 13MP Sony Exmor RS (stacked CMOS) sensor behind a 22.4mm equivalent F1.8 lens. Click here to find out more.