Samsung Galaxy S5 Mini Duos has display Size 4.5 Inches, operating system Android 4.4.4, up to 6.0.1; TouchWiz UI. The device has ram 1.5 GB too, card support is microSD, up to 64 GB (dedicated slot), it has 16 GB hard disk. Back camera 8 MP is awesome, front camera 2.1 MP is also not bad. Galaxy S5 Mini Duos has power storage, Up to 16 h (3G). Device status is Available