Samsung Galaxy J7 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 16 GB hard disk. Back camera 13 MP is awesome, front camera 5 MP is also not bad. Galaxy J7 has power storage, Up to 18 h (3G). Device status is Available