Nokia e55 mobile ringtone problem.?

Well , First activate your general profile , then personalise your general profile where change some settings like Incoming call alert is set on ringing . Then save this setting, still if your phone is on silent mode then some problem with your cell so you have to restore your all mobile settings. For this restore settings open your setting menu and go to restore factory setting , now It'll ask about your security code , the security code is 1 2 3 4 5 ( IF YOU HAVEN'T CHANGED ). Give this security code and your cell is reset . Then now again set your ring tone , check it out . Still its not working then I think there is software problem so update your software version .For update your phone version , contact Nokia care near your place ( If your phone warranty period hass not expired ) . you can also update your cell at home from computer . Yes you can update your software version by NOKIA PC SUITE . ( warnig : during this processes some data lost like massages , contacts , aplications , etc etc ... )