As per the report from the below source suggests, the software giants is allegedly working on a new mid-range windows 10 handset with a metal frame. This new affordable Lumia device is planned to be released soon after the launch Lumia 950/Xl.
It's not the first time that Microsoft is using metal frame, we've already seen such premium design and feel in Lumia 930. Being a mid-range device, the handset will likely not feature high-end specs.
Sadly, this is all we currently know about this alleged affordable windows 10 device, so take it with a grain of salt. We will update you soon if we get to know something about it.