Samsung Galaxy Ace S5830 has display Size 3.5 Inches, operating system Android 2.3; TouchWiz UI 3. The device has ram 25 MB too, card support is microSD, up to 32 GB (dedicated slot), 2 GB included, it has 278 MB hard disk. Back camera 5 MP is awesome, front camera No is also not bad. Galaxy Ace S5830 has power storage, . Device status is Available