Samsung Galaxy A3 has display Size 4.5 Inches, operating system Android 4.4.4, up to 6.0.1. 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 5 MP is also not bad. Galaxy A3 has power storage, Up to 12 h (3G). Device status is Available