Samsung C3312 Duos has display Size 2.8 Inches, operating system Android 2.3; TouchWiz Lite UI. The device has ram 2 MB too, card support is microSD, up to 16 GB (dedicated slot), it has 30 MB hard disk. Back camera 1.3 MP is awesome, front camera No is also not bad. C3312 Duos has power storage, Up to 14 h. Device status is Available