With G502 mobile phones, Sony Ericsson puts more emphasis on telecommunications, e-mail and phones of third generation mobile Internet.The phone is a solid piece standard form with elegant black design cover.It 'also available in brown with a choice of two different colors.The phone has a length of 109 mm, 13.5 mm depth and 46 mm wide.The phone has a GSM 2100 with UMTS-900.Work is underway for the years 1800 and 1900.UMTS has about 5 hours of talk time, users can put a cell phone fully charged at least 10 hours should be ought to used.