Samsung Galaxy Alpha has display Size 4.7 Inches, operating system Android 4.4.4, up to 5.0.2. The device has ram 2 GB too, card support is No, it has 32 GB hard disk. Back camera 12 MP is awesome, front camera 2.1 MP is also not bad. Galaxy Alpha has power storage, Up to 11 h (3G). Device status is Available