Niu Andy 4e 2i has display Size 4.0", operating system Android 4.4. The device has ram 512 GB too, card support is microSD, up to 64 GB, it has 4 GB, 512 MB RAM hard disk. Back camera 5 MP is awesome, front camera 1.3 MP is also not bad. Andy 4e 2i has power storage, Up to 18 h (2G) / Up to 9 h (3G). Device status is Available