Nokia Android Phone was to force buyout by MS

http://bgr.com/2013/12/11/nokia-android-phone-photo-analysis/

"Once Nokia had reached the decision to unload its smartphone unit, it was crucial for the company to also find a simultaneous buyer for the low-end feature phone unit. Only that way could Nokia start getting aggressive on pressing its patent claims on rival handset vendors. Exiting phone business completely meant Nokia no longer needed cross-licensing deals that dilute its IP revenue."