Samsung Galaxy J1 Ace has display Size 4.3 Inches, operating system Android 4.4.4, up to 5.1.1. The device has ram 1 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 4 GB hard disk. Back camera 5 MP is awesome, front camera 2 MP is also not bad. Galaxy J1 Ace has power storage, . Device status is Available