Nokia's (NYSE:NOK) historic turnaround might have just gotten a bit more complicated. As the company continues to attempt to rise from the ashes of its famous "burning platform," it appears the landscape might be changing at one of its most useful weapons. According to reports, Siemens (OTC:SIEGY), its 50/50 partner in its networking venture, is now openly shopping its stake in Nokia-Siemens Networks. Especially since there are several intriguing options possibly on the table, what could this move means for the Finish handset maker and its shareholders? In this video, Fool contributor Andrew Tonner breaks down the particulars of this potential billion-dollar deal in the making.