Samsung Galaxy S Iii has display Size 4.8 Inches, operating system Android 4.1, upgradаble to 4.3. The device has ram 2 GB too, card support is microSD, up to 64 GB (dedicated slot), it has 32 GB hard disk. Back camera 8 MP is awesome, front camera 1.9 MP is also not bad. Galaxy S Iii has power storage, Up to 15 h. Device status is Available