QMobile QTab X50 official Pictures. QMobile QTab X50 is a Smartphone of qmobile. The QMobile QTab X50 Android Tablet. Announced Jun 2014. Features 8.0″ Display, MT8389W Chipset, 5 MP Primary Camera, 2 MP Front Camera, 4500 MAh Battery, 16 GB Storage, 1000 MB RAM. QMobile QTab X50 price starts.