Some secret tips & tricks & codes for symbian based nokia mobile phones

To know the IMEI (International Mobile Equipment Identity) No.: *#06#

To check the phones Software revision. *#0000#

To enter the service menu type. *#92702689#

Clock Stopping. *#746025625#

#06# Display the IMEI (GSM standard)

*#0000# Display the firmware version and date

*#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
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