Samsung Galaxy S Duos 3 has display Size 4.0 Inches, operating system Android 4.4.2. The device has ram 512 MB too, card support is microSD, up to 32 GB (dedicated slot), it has 4 GB hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. Galaxy S Duos 3 has power storage, . Device status is Available