Nokia 6500 Secret Codes

IMEI (Serial) Code:
*#06# .

Default Security Code:
12345.



Firmware Version:
*#0000#.*#51x0# or*#9999#.



To check the Serial No:
*#92772689#



*3370#
To activate Enhanced Full Rate (EFR).



#3370#
To deactivate EFR Half Rate Mode (HFR).



*4720#
To activate HFR.



#4270#
To deactivate HFR

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