Spice Stellar 440 Mi 440 has display Size 4.0", operating system Android 4.4.2. The device has ram 512 GB too, card support is microSD, up to 32 GB (dedicated slot), it has 4 GB, 512 MB RAM hard disk. Back camera 3.15 MP is awesome, front camera 1.3 MP is also not bad. Stellar 440 Mi 440 has power storage, Up to 8 h. Device status is Available