Energizer Energy E401 has display Size 4.0", operating system Android 8.0 Oreo. The device has ram 1 GB too, card support is microSD, up to 32 GB (uses SIM 2 slot), it has 8 GB, 1 GB RAM hard disk. Back camera 5 MP is awesome, front camera 2 MP is also not bad. Energy E401 has power storage, . Device status is Available