SECRET CODE FOR NOKIA
*#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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