Nokia Secret Codes

*#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

*#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, Non-Symbian Models, And Those Devired From Them )
*#War0anty# Display The Manufacturing And Repair Info ( No Exit On Dct3 )
*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

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 Ur 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, Great For Practical Jokes! ( Works With Some Of The Nokia Phones. ) Press And Hold " 0 " On The Main Screen To Open Wap Browser.