Vivo Z1i has display Size 6.26", operating system Android 8.1; Funtouch 4. The device has ram 4 GB too, card support is microSD, up to 256 GB (uses shared SIM slot), it has 128 GB, 4 GB RAM hard disk. Back camera 13 MP is awesome, front camera 16 MP is also not bad. Z1i has power storage, . Device status is Available