Blu Win Jr Lte has display Size 4.5", operating system Microsoft Windows Phone 8.1, up to Windows 10. The device has ram 512 GB too, card support is microSD, up to 32 GB, it has 4 GB ROM, 512 MB RAM hard disk. Back camera 5 MP is awesome, front camera VGA is also not bad. Win Jr Lte has power storage, Up to 22 h (2G) / Up to 16 h (3G). Device status is Available