Plum Axe 4 has display Size 4.0", operating system Android 6.0. The device has ram 512 GB too, card support is microSD, up to 32 GB, it has 8 GB, 512 MB RAM hard disk. Back camera 5 MP is awesome, front camera 2 MP is also not bad. Axe 4 has power storage, Up to 8 h (3G). Device status is Available