Nokia Symbian smartphones have few important secret codes which retrieve important information such as phone’s firmware version, imei number, bluetooth device address and can also come in handy for doing soft and hard reset. If Nokia 5230 is your first symbian smartphone you may be unaware of these secret codes. Let’s go through them one by one.

Nokia Mobiles:
  • All Nokia mobile users can use the following codes to find the details,
    To check the version use *#0000# which will display the version used in the model and year of make. When this code is not working use *3370#.
  • To get the Security code of the mobile use *#2640#.
  • When you are in need to see the private number use *#30# which helps you in finding the same.
  • To activate/deactivate Enhanced Full Rate Codec(EFR) follow
    - *3370# to ACTIVATE
    - #3370# to DEACTIVATE
  • To check the IME (International Mobile Equipment) number use *#06#. This IME number is unique for all the mobiles and it helps in tracking out your mobile when it is lost.
  • To switch between LINE 1 and 2 press and hold # for quite a few seconds.
  • If you are in need to restore the factory settings use *#7780#. This restores the mobile to the original mode i.e. to the initial make mode.
  • To check the amount of hours spoken in the mobile use *#92702689#. This displays the amount of hours spoke but in some models the mobile needs to be switched off after checking this.
  • To turn on “All calls” to a particular number use **21*number#. For “No Reply” use **61*number# and for “Busy” use **67*number#.