Samsung Galaxy Ace Style has display Size 4.0 Inches, operating system Android 4.4.2; TouchWiz Essence UI. The device has ram 512 GB too, card support is microSD, up to 64 GB (dedicated slot), it has 4 GB hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. Galaxy Ace Style has power storage, Up to 8 h (3G). Device status is Available