NOKIA N91 Secret Codes

*#06#
Display the IMEI.

*#0000#
Display the firmware version and date.

*#bta0#
Display the Bluetooth MAC address.

*#opr0logo#
Clear the operator logo .

*#pca0#
Activate the GPRS PCCCH support.

*#pcd0#
Deactivate the GPRS PCCCH support .

*#res0wallet#
Reset the mobile wallet.

*#sim0clock#
Display the SIM clock status.

*#ssn0#
Display the manufacturing serial number.

*#war0anty#
Display the manufacturing and repair.

*efr0#
Enable EFR encoding.

#efr0#
Disable EFR encoding.

*hra0#
Enable HR encoding.

#hra0#
Disable HR encoding.

#pw+1234567890+n#
Display the SIM lock status:

n = 1: provider lock.

n = 2: network lock.

n = 3: country lock.

n = 4: SIM lock.


SMART TRICK :

- Press the media key to switch between now playing and current view.
- Press and hold the media key to start the Visual Radio (FM Radio.
- In Music Player, if you press the joystick up or down twice the scrolling speed goes to 'Fast' mode.

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NOKIA N93 Secret Codes

*#06#
to check the IMEI.

*#0000#
To check the firmware version and date.

*#92702689# *#war0anty#
To check the IMEI. The date when it was purchased, and the date when it was repaired.

*4720# (*hra0#)
To activates the Half Rate.

#4720# (#hra0#)
To deactivates Half Rate.

*#3370# (*efr0#)
To activates Enhanced Full Rate.

*#746085685# (*#sim0clock#)
To check the SIM clock status.

*#7220# (*#pca0#)
To activate the GPRS and Packet Common Control Channel(PCCCH) supports.

*#7230# (*#pcd0#)
To deactivate the GPRS and Packet common control channel (PCCCH)supports.

*#7760# (*#ssn0#)
To check the manufacturing serial number.

*#2820# (*#bta0#)
To check the Bluetooth MAC address (Phone must have a built in bluetooth adapter).

*#7370925538# (*#res0wallet#)
Reset the mobile wallet.

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