Spice Stellar 520 Mi 520 has display Size 5.0", operating system Android 4.4.2. The device has ram 1 GB too, card support is microSD, up to 32 GB (dedicated slot), it has 4 GB, 1 GB RAM hard disk. Back camera 8 MP is awesome, front camera 2 MP is also not bad. Stellar 520 Mi 520 has power storage, Up to 4 h. Device status is Available