Asus Zenfone 5z has display Size 6.2", operating system Android 8.0, up to Android 9.0; ZenUI 5. The device has ram 8 GB too, card support is microSD, up to 512 GB (uses shared SIM slot), it has 256 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM hard disk. Back camera 12 MP is awesome, front camera 8 MP is also not bad. Zenfone 5z has power storage, . Device status is Available