Asus Zenfone Max Pro has display Size 5.99", operating system Android 8.1, up to Android 9.0. The device has ram 6 GB too, card support is microSD, up to 512 GB (dedicated slot), it has 64/128 GB, 4/6 GB RAM or 32 GB, 3 GB RAM hard disk. Back camera 16 MP is awesome, front camera 8 MP is also not bad. Zenfone Max Pro has power storage, Up to 42 h (3G). Device status is Available