Samsung Galaxy S8 has display Size 5.8 Inches, operating system Android 7.0, up to Android 9.0; One UI. The device has ram 4GB too, card support is microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only, it has 64 GB hard disk. Back camera 12 MP is awesome, front camera 8 MP is also not bad. Galaxy S8 has power storage, . Device status is Available