Microsoft Lumia 430 Dual Sim has display Size 4.0", operating system Microsoft Windows Phone 8.1, up to Windows 10. The device has ram 1 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 8 GB, 1 GB RAM hard disk. Back camera 2 MP is awesome, front camera VGA is also not bad. Lumia 430 Dual Sim has power storage, Up to 13 h (2G) / Up to 8 h 30 min (3G). Device status is Available