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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