Secret codes in Nokia phone

Nokia GSM

If you enter 2 number in a phone, make sure that in menu have NAM 1 and NAM 2. If only NAM 1 you wouldn't enter other number.

NAM Set *3001#12345#

Software version #837# or
#9999#

Serial/ESN #92772689#

Phone restart #75681# or
#75682#

NAM Set #626#7764726#

Version #0000#

Vocoder #3872#

Debug Screen #8378#

Debug #8380#

Field test menu #8378#

NAM Set 3001#12345#

Version #0000#

EVRC #8378#

SERIAL #92772689#


Nokia CDMA

5185/6185 programming: *3001#12345#

Software Version *#837# or *#9999#


Secret codes

*#73# : reset timer phone and game score(in specified phone)

*#7780# : return to factory setting

*#2820# : bluetooth IP address

xx# : fast access to phone book (ect: 21#)

OFF button : shortcut to change profile

*3370# : activate ENHANCED FULL RATE codec (EFR)
EFR make great sound quality, but it refer to much energy on battery

Note: this code isn't work in symbian.

*#4720# : activate Hall Rate Codec.
make low sound quality and low energy on battery (energy saver)

*#0000# : show software version. first show software version, second show date of
making software, third show the tipe of convertion used.

*#9999# : same fungtion at upper

*#06# : show IMEI (international mobile equipment identity)