Xiaomi Redmi Pro has display Size 5.5", operating system Android 6.0; MIUI 10. The device has ram 4 GB too, card support is microSD, up to 256 GB (uses SIM 2 slot), it has 128 GB, 4 GB RAM - Exclusive edition32/64 GB, 3 GB RAM - other editions hard disk. Back camera 13 MP is awesome, front camera 5 MP is also not bad. Redmi Pro has power storage, . Device status is Available