Micromax Bolt S301 has display Size 3.5", operating system Android 4.4.2, up to 5.0. The device has ram 512 GB too, card support is microSD, up to 16 GB, it has 4 GB, 512 MB RAM hard disk. Back camera 1.3 MP is awesome, front camera VGA is also not bad. Bolt S301 has power storage, . Device status is Available