Samsung Omnia M S7530 has display Size 4.0 Inches, operating system Microsoft Windows Phone 7.5 Mango. The device has ram 1 GB too, card support is No, it has 8 GB hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. Omnia M S7530 has power storage, Up to 12 h 40 min (2G) / Up to 7 h 50 min (3G). Device status is Available