Nokia E5-00 - How do I disable the tone that sounds every time when a text message (SMS) is received on my Nokia device?

Select Menu > Ctrl. Panel (or Settings) > Themes > Audio themes > Messaging events and following:

  • Msg. notification tone > Silent,  for received messages
  • Message sent > Silent.
  • Email Notfication > Silent, on some devices, when a email has been configured.