Samsung Galaxy S5 usa has display Size 5.1 Inches, operating system Android 4.4.2, up to 5.0.1; TouchWiz UI. The device has ram 2 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 16 GB hard disk. Back camera 16 MP is awesome, front camera 2 MP is also not bad. Galaxy S5 usa has power storage, Up to 27 h. Device status is Available