n the main screen type in:
*#06# for checking the IMEI (International Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To view software version.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
#pw+1234567890+1# Shows if sim have restrictions.
*#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)
*#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
Change closed caller group (settings >security settings>user groups) to 00000 and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.) Press and hold “0″ on the main screen to open wap browser.


Code Description
*#06# Display the IMEI (GSM standard)
*#0000# Display the firmware version and date (with variant info on S40 second edition or newer)
*#9990# Says “Bluetooth Test Mode” on Symbian models; accepts without any messages and Bluetooth behaves abnormally on non-Symbian ones (models with build-in Bluetooth radio, activate first to use)
*#bta0# Display the Bluetooth MAC address (models with build-in Bluetooth radio, activate first to show address)
*#mac0wlan# Display the WLAN MAC address (models with build-in Wi-fi radio)
*#opr0logo# Clear the operator logo (3310 and 3330 only)
*#pca0# Activate the GPRS PCCCH support (early GPRS models)
*#pcd0# Deactivate the GPRS PCCCH support (early GPRS models)
*#res0wallet# Reset the mobile wallet (models with mobile wallet)
*#res0# Soft-format the memory (Symbian models only)
*#rst0# Reset to factory defaults, confirmation required (DCT4 or newer)
*#sim0clock# Display the SIM clock status (DCT3 only)
*#ssn0# Display the manufacturing serial number (mid-range and premium DCT3, basically all DCT4 and BB5 non-Symbian models)
*#war0anty# Display the manufacturing and repair info (no exit on DCT3) or total talk time on Symbian models
*efr0# Enable EFR encoding (pre-2003 models)
#efr0# Disable EFR encoding (pre-2003 models)
*hra0# Enable HR encoding (pre-2003 models)
#hra0# Disable HR encoding (pre-2003 models)
#pw+1234567890+n# Display the SIM lock status: (pre-2003 models)
n = 1: provider lock
n = 2: network lock
n = 3: country lock
n = 4: SIM lock
n# n = 1..999: recall the number stored in the SIM location n (DCT3, DCT4, BB5 models)


NOKIA

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.
*3370# Activate Enhanced Full Rate Codec (EFR)-Your phone uses the best sound quality but talk time is reduced by approx. 5%#3370# Deactivate Enhanced Full Rate Codec( EFR)
*#4720# Activate Half Rate Codec – Your phone uses a lower quality soundbut you should gain approx 30% more Talk Time
*#4720# Deactivate Half Rate Codec
2 *#0000# Displays your phones software version,
1st Line :S oftware Version,
2nd Line : Software Release Date,
3rd Line : Compression Type

3 *#9999# Phones software v ersion if *#0000# does not work

4 *#06# For checking the International Mobile Equipment Identity (IMEI Number)
5 #pw+1234567890+1# Provider Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
6 #pw+1234567890+2# Network Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
7 #pw+1234567890+3# Country Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
8 #pw+1234567890+4# SIM Card Lock Status.(use the “*” button to obtain the “p,w” and “+” symbols)
9 *#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)
10 *#21# Allows you to check the number that “All Calls” are diverted To
11 *#2640# Displays security code in use
12 *#30# Lets you see the private number
13 *#43# Allows you to check the “Call Waiting” status of your phone.
14 *#61# Allows you to check the number that “On No Reply” calls are diverted to
15 *#62# Allows you to check the number that “Divert If Unrea chable(no service)” calls are diverted to
16 *#67# Allows you to check the number that “On Busy Calls” are diverted to
17 *#67705646#R emoves operator logo on 3310 & 3330
18 *#73# Reset phone timers and game scores
19 *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature “SIM Clock Stop Allowed”, itmeans you will get the best standby time possible
20 *#7760# Manufactures code
21 *#7780# Restore factory settings
22 *#8110# Software version for the nokia 8110
23 *#92702689# (to rember *#WAR0ANTY#)


Displays -
1.Serial Number,
2.Date Made
3.Purchase Date,
4.Date of last repair (0000 for no repairs),
5.Transfer User Data.To exit this mode -you need to switch your phone off then on again

24 *#94870345123456789# Deactivate the PWM-Mem
25 **21*number# Turn on “All Calls” diverting to the phone number entered
26 **61*number# Turn on “No Reply” diverting to the phone number entered
27 **67*number# Turn on “On Busy” diverting to the phone number entered

Each command is prefixed with either one or two * or # characters as follows:** Register and Activate* Activate## De-Register (and Deactivate)# Deactivate*# Check Status© Call button

Once each command has been entered, if it is a network command (as opposed to a local handset command) it must be transmitted to the network by pressing the YES (receiver) key which acts as an enter key – this is represented here with the © character. Always enter numbers in full international format +CountryAreaNumber ( e.g. +447712345678).

Command Description Command StringSecurity
Change call barring code **03*OldCode*NewCode*NewCode#©
Change call barring code **03*330*OldCode*NewCode*NewCode#©
Change PIN code **04*OldPIN*NewPIN*NewPIN#©
Change PIN2 code **042*OldPIN2*NewPIN2*NewPIN2#©
Unlock PIN code (when PIN is entered wrong 3 times) **05*PUK*NewPIN*NewPIN#©
Unlock PIN2 code (when PIN2 is entered wrong 3 times) **052*PUK2*NewPIN2*NewPIN2#©Display IMEI *#06#
Call Forwarding (Diversions)
De-register all call diversions ##002#©
Set all configured call diversions to number and activate **004*number#©
De-register all configured call diversions (no answer, not reachable, busy) ##004#©
Unconditionally divert all calls to number and activate **21*number#©
Activate unconditionally divert all calls *21#©
De-register unconditionally divert all calls ##21#©
Deactivate unconditionally divert all calls #21#©
Check status of unconditionally divert all calls *#21#©
Divert on no answer to number and activate **61*number#©
Activate divert on no answer *61#©
De-register divert on no answer ##61#©
Deactivate divert on no answer #61#©
Check status of divert on no answer *#61#©
Divert on not reachable to number and activate **62*number#©
Activate divert on not reachable *62#©
De-register divert on not reachable ##62#©
Deactivate divert on not reachable #62#©
Check status of divert on not reachable *#62#©
Divert on busy to number and activate /td> **67*number#© *#330*code#©<
Activate barr all outgoing international calls **331*code#©
Deactivate barr all outgoing international calls #331*code#©
Check status of barr all outgoing international calls *#331#©
Activate barr all outgoing international calls except to home country **332*code#©
Deactivate barr all outgoing international calls except to home country #332*code#©
Check status of barr all outgoing international calls except to home country *#332#©
Activate barr all outgoing calls **333*code#©
Deactivate barr all outgoing calls #333*code#©
Check status of barr all outgoing calls *#333#©
Activate barr all incoming calls **35*code#©
Deactivate barr all incoming calls #35*code#©
Check status of barr all incoming calls *#35#©
Activate barr all incoming calls when roaming **351*code#©
Deactivate barr all incoming calls when roaming #351*code#©
Check status of barr all incoming calls when roaming *#351#©
Activate barr all incoming calls **353*code#©
Deactivate barr all incoming calls #353*code#©
Check status of barr all incoming calls *#353#©

Call waitingActivate call waiting *43*#©
Deactivate call waiting #43##©
Check status of call waiting *#43#©
Calling Line Identification
The following only works if CLIP and CLIR are enabled (ask your service provider)
CLIP: Presentation of the number of the incoming call
Activate CLIP **30#©
Deactivate CLIP ##30#©
Check status of CLIP *#30#©
CLIR: Presentation of one's own number to the to the called party
Activate CLIR **31#©
Activate CLIR for the actual call *31#number©
Deactivate CLIR ##31#©
Deactivate CLIR for the actual call #31#number©
Check status of CLIR *#31#©
COLP: Presentation of the actual number reached (if number called was diverted to another number
Activate COLP *76#©
Deactivate COLP #76#©
Check status of COLP *#76#©
COLR: Presentation of the original number called by the calling party (if the call was diverted to this cellphone)
Activate COLR *77#©
Deactivate COLR #77#©
Check status of COLR *#77#©