Know about Nokia Secret Codes

On the main screen type

*#0000# - Display the software version, the date when the software was built and the phone model. In some cases, the phone model is not the one used by marketing. It is the internal model used inside Nokia. For example, RM-36 is the internal name of Nokia 6680.

   

*#06# for checking the IMEI (International Mobile Equipment Identity).

*#7780# reset to factory settings.

*#67705646# This will clear the LCD display (operator logo). 

*#2820# Bluetooth device address.

*#746025625# Sim clock allowed status.
*#62209526# - Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN

*#92702689# - takes you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)

EMERGENCY BATTERY BACKUP(30% INCREASE) 

1 Imagine ur cell battery is very low, u r expecting an important call and u don't have a charger. Nokia instrument comes with a reserve battery. To activate, key is 
"*3370#" 

Ur cell will restart with this reserve and ur instrument will show a 50% incerase in battery. This reserve will get charged when u charge ur cell next time. sound quality but talk time is reduced by approx. 5% .
#3370# Deactivate Enhanced Full Rate Codec( EFR)  

*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.

*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The phone will automatically restart

If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345

Press *#3925538# to delete the contents and code of wallet.

Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin#

*#7328748263373738# resets security code.
Default security code is 12345

1.  #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
2. #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
3. #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain  the "p,w" and "+" symbols)
4. #pw+1234567890+4# SIM Card Lock Status.(use the "*" button to obtain the "p,w" and "+" symbols)
5. *#147# (vodafone) this lets you know who called you last *#1471#  Last call (Only vodofone)
6.  *#21# Allows you to check the number that "All Calls" are diverted  To
7.  *#2640# Displays security code in use
8.  *#30# Lets you see the private number
9.  *#43# Allows you to check the "Call Waiting" status of your phone.
10.  *#61# Allows you to check the number that "On No Reply" calls are diverted to
11.  *#62# Allows you to check the number that "Divert If Unrea chable(no service)" calls are diverted to
12.  *#67# Allows you to check the number that "On Busy Calls" are diverted to
13.  *#67705646#R emoves operator logo on 3310 & 3330
14.  *#73# Reset phone timers and game scores
15.  *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get he best standby time possible
16. *#7760# Manufactures code
17.  *#7780# Restorefa ctory settings
18.  *#8110# Software version for the nokia 8110 

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