Lenovo Z5s has display Size 6.3", operating system Android 9.0; ZUI 10. The device has ram 6 GB too, card support is microSD, up to 256 GB (uses SIM 2 slot), it has 128 GB, 6 GB RAM or 64 GB, 4 GB RAM hard disk. Back camera 16 MP is awesome, front camera 16 MP is also not bad. Z5s has power storage, . Device status is Available