Sony Ericsson published its Q4 and full 2011 financial reports and things aren't looking good for its fans. The joint-venture, which is to become a wholly owned subsidiary of Sony this year, had a rough time in the holiday quarter, which led to a major dip in its overall performance for the year.

Sony Ericsson saw a dip in both sales volume and value in Q4, which resulted in a net loss of €207…