Sony Ericsson also said it would shut down its GSM / UMTS R & D center in Munich , Germany , to increase profitability .
Sony Ericsson also said it would shut down its GSM / UMTS R & D center in Munich , Germany , to increase profitability .
Sony Ericsson also said it plans to close its R & D site in Munich , Germany , for GSM and UMTS handsets .