Nokia Secret Code

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
*#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)