Samsung Galaxy On 7 has display Size 5.5 Inches, operating system Android 5.1, up to 6.0.1. The device has ram 1.5 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 8 GB hard disk. Back camera 13 MP is awesome, front camera 5 MP is also not bad. Galaxy On 7 has power storage, . Device status is Available