Samsung Galaxy A7 Duos has display Size 5.5 Inches, operating system Android 4.4.4. The device has ram 2 GB too, card support is microSD, up to 64 GB (uses SIM 2 slot), it has 16 GB hard disk. Back camera 13 MP is awesome, front camera 5 MP is also not bad. Galaxy A7 Duos has power storage, Up to 17 h (3G). Device status is Available