Asus Zenfone Selfie has display Size 5.5", operating system Android 5.0, up to 6.0; ZenUI. The device has ram 3 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 16/32 GB, 2/3 GB RAM hard disk. Back camera 13 MP is awesome, front camera 13 MP is also not bad. Zenfone Selfie has power storage, . Device status is Available