Asus Zenfone Max Pro 2018 has display Size 6.26", 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 GB, 4/6 GB RAM or 32 GB, 3 GB RAM hard disk. Back camera 12 MP is awesome, front camera 13MP is also not bad. Zenfone Max Pro 2018 has power storage, . Device status is Available