These codes will work on most Nokia Mobile Phones to activate/deactivate advanced hidden functions that you can’t change through the phone menu
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More Nokia Secret Codes and shortcuts
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Here's a list of known codes on Nokia mobile phones. This list does not include codes that make request to the network. To use these codes, just dial them like normal numbers.
Code Description
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*#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)
These codes will work on most Nokia Mobile Phones to activate/deactivate advanced hidden functions that you can’t change through the phone menu
One useful function that all Nokia’s I’ve owned have is “Cell Info Display” which can usually be found in the phones “Display settings” (eg: in a Nokia 1600) or “Phone Settings” (eg: in a Nokia 3315)
If your network supports it, when “Cell Info Display” is enabled, it will display the name of the base station your mobile is currently connected to on the screen. eg: when i’m walking around the city it says “Sydney CBD” and when i’m at home it displays the name of my suburb.
Note:
To display “p” press “*” three times within one second, To display “w” press “*” four times within one second, To display “+” press twice “*” within less than a second
Code Function
*3370# / #3370# Activate / Deactivate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%
*#4720# / *#4720# Activate / Deactivate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time
*#7220# / *#7230# Enable / Disable PCCCPH support (faster GPRS)
#pw+1234567890+1# Provider Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
#pw+1234567890+2# Network Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
#pw+1234567890+3# Country Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
#pw+1234567890+4# SIM Card Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)
12345 This is the default security code
*#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type
*#9999# Phones software version if *#0000# does not work
*#06# For checking the International Mobile Equipment Identity (IMEI Number)
*#67705646# Removes operator logo on 3310 & 3330
*#73# Reset phone timers and game scores
*#746025625# Displays the SIM Clock status, if your phone supports this power saving feature “SIM Clock Stop Allowed”, it means you will get the best standby time possible
press and hold # Lets you switch between lines
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