Zte Axon 7 Max has display Size 6.0", operating system Android 6; MiFavor UI 4. The device has ram 4 GB too, card support is microSD, up to 256 GB (uses SIM 2 slot), it has 64 GB, 4 GB RAM16 GB, 2 GB RAM - USA hard disk. Back camera 13 MP is awesome, front camera 13 MP is also not bad. Axon 7 Max has power storage, . Device status is Available