Samsung Ativ Se has display Size 5.0 Inches, operating system Microsoft Windows Phone 8, up to 8.1. The device has ram 2 GB too, card support is microSD, up to 64 GB (dedicated slot), it has 16 GB hard disk. Back camera 13 MP is awesome, front camera 2 MP is also not bad. Ativ Se has power storage, Up to 20 h. Device status is Available