Secret Nokia Phone Codes (Part 1)

In GSM Hacks on May 1, 2006 at 8:48 am

If you have a Nokia mobile phone, you can enter these codes to do some nifty tricks and find information about your handset:

IMEI (International Mobile Equipment Identity) Number:


The 15 digit number which comes up on your screen is your unique IMEI number, and comprises the following information:

  • Digits 1-6: TAC (Type approval code)
  • Digits 7-8: FAC (Final assembly code)
  • Digits 9-14: SNR (Serial number)
  • Digit 15: SP (Spare)

Software Revision Type:


You will see three lines of information on your screen which are comprised of the following:

  1. The phone's software version
  2. The date of the software release
  3. Phone type.

Service Menu:

*#92702689# (*#WAR0ANTY#)

You will find the following menus displayed:

  • IMEI
  • Production date (mm/yy)
  • Purchase date (mm/yy). Note that you can only enter this date once!
  • The date of last repair (0000 means that the handset has not been repaired, or at least not reported by an official service centre)
  • Transfer user data to another Nokia phone via infared, if this feature is part of the handset.

Clock Stopping:

*#746025625# (*#SIM0CLOCK#)

This checks wether your phone supports this feature. Key in again to restart the clock.

Activate EFR (Enhanced Full Rate)


This activates EFR which increases clarity but decreases battery life by around 5%. To deactivate, key in *#3370*.

Activate HRC (Half Rate Clarity)


This decreases the clarity of calls, but increases battery life. To deactivate, key in *#4270*.

More Nokia tips and tricks to be published later.

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  1. i pressed *#9990# in my 6233 n my bluetooth not work properly. device not detected by another cellphone n

  2. Dear Sir / Madam,

    My son using a Nokia 3120 classic phone RM-364. He keyed his phone and Security levels got locked. Default code 12345 also not answered. Please submit the code which can I unlock the security levels.

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