Samsung Galaxy S6 has display Size 5.1 Inches, operating system Android 5.0.2, up to Android 8.0; TouchWiz UI. The device has ram 3 GB too, card support is No, it has 128 GB hard disk. Back camera 16 MP is awesome, front camera 5 MP is also not bad. Galaxy S6 has power storage, Up to 17 h (3G). Device status is Available