A list of Usefull Secrets / codes for Nokia Phones

NOKIA
General Secrets/Codes for Nokia 8810/8850/8210 series

IMEI number
*#06#

Software Version
*#0000#

Serial Number
*#92702689#

Note: These codes may also work for other 8xxx series phones .

General Secrets/Codes for Nokia 61xx series

IMEI number
*#06#

Software Version
*#0000#

Serial Number
*#92702689#

Activate Half Rate Mode over GSM (older versions of Nokia 61xx firmware only)
*4720#

Call quality drops, but increases battery life by about 30%...also network dependent

De-activates Half Rate Mode over GSM (older versions of Nokia 61xx firmware only).
#4720#

Last repair date
*#92702689# or *#92772689#

To check whether or not your sim card supports clock stopping. Not all versions of the software will report this.
*#746025625#

Note: These codes may also work for other 6xxx series phones .

General Secrets/Codes for Nokia 5110/5150 series Phones

IEMI
* # 06 #

To get additional information from your phone :
*#92702689#

Now you are in service menu where you'll find:

1 IMEI (International Mobile Equipment Identification)
2 Made MM/YY (date of production of the phone mm/yy)
3 Purchasing Date (here you can enter the date of purchase. If you enter an incorrect date, you cannot correct it later !
4 Repaired (date of repair, if there was one)
5 Transfer user data?

*3370# EFR will be activated after a reboot of the phone ( consumes more power )

#3370# EFR will be switched off after a reboot of the phone.

*4720# Half Rate coded will be activated after a reboot of the phone ( better standby time )

#4720# Half Rate coded will be de-activated after a reboot of the phone


Note: These codes may also work for other 5xxx series phones .

General Secrets/Codes for Nokia 31xx Series Phones

IMEI
*#06#

To check the phone's software Version
*#3110#

Warranty codes
*#92702689#
You will be asked a 'warranty code:' type:
6232 (OK) : To display the Month and Year of Manufacture.
7332 (OK) : To display the date of the last repairment.
7832 (OK) : To displays (if found) the date where the phone was purchased.
9268 (OK) : To display the Serial Number.
37832 (OK) : To set the Purchasing Date MMYY (Warning: You can only do this once)
87267 (OK) : To Confirm Transfer

SIM Clock
*#746025625#

Restore factory settings (This does not include memory, language and counters) *#7780#

Fast silent mode
Press Menu and then #

Note: These codes may also work for other 3xxx series phones .

General Secrets/Codes for Nokia 81XX / 81XXi series Phones

Software Version (Firmware)
*#8110#

IMEI
*#06#

To get additional information from your phone :
*#92702689#

You will be asked a 'warranty code:' type:

6232 (OK) : To display the Month and Year of Manufacture.
7332 (OK) : To display the date of the last repairment.
7832 (OK) : To display (if previously set) the date where the phone was purchased.
9268 (OK) : To display the Serial Number.
37832 (OK) : To set the Purchasing Date MMYY (Warning: You can only do this once)
87267 (OK) : To Confirm Transfer

Sim-Clock
*#746025625#

Note: These codes may also work for other 8xxx series phones.

General Secrets/Codes for Nokia 21XX series Phones

IMEI
*#06#

Caller ID
*#30#[SEND]
Call-blocking
*#31#[SEND]

To enable display of cell-site names,
[MENU] 4 9 1

Date code of the firmware
*#3283#

Software version (Firmware)
*#170602112302#
On newer phones
*#682371158412125#

Note: These codes may also work for other 2xxx series phones


IMPORTANT NOTE FOR ALL NOKIA PHONE MODELS:
Results may vary according to your Phone Model number and Software version(Firmware) .

Source : cellular