Meizu Mx4 Pro has display Size 5.5", operating system Android 4.4.4; Flyme 4. The device has ram 3 GB too, card support is No, it has 16/32/64 GB, 3 GB RAM hard disk. Back camera 20.7 MP is awesome, front camera 5 MP is also not bad. Mx4 Pro has power storage, . Device status is Available