Asus Zenfone 4 Max has display Size 5.5", operating system Android 7; ZenUI 4. The device has ram 3 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 32 GB, 3 GB RAM hard disk. Back camera 13 MP is awesome, front camera 8 MP is also not bad. Zenfone 4 Max has power storage, . Device status is Available