
Here they are Nokia secret codes
* # 06 #: Displays the number Equitment International Mobile Identity (IMEI)
* # 0000 # Displays phone software version. The first line shows the software version, the second line shows the date on which the software, the third line shows the type of compression that is in use.
* # 92702689 #: Raising: 1. serial number (serial number), 2. Date Made (Date Created), 3. Purchase Date (the date of purchase), Date of last repair (the date of last repair / 0000 to which has never been in the repair), 5. Transfer User Data. In some phones, to exit this mode you have to restart the phone
* # 7760 #: displays the manufacturer's code (for some of the old type phone)
* # 67705646 #: Changing the operator logo on Nokia 3310 and 3330
* # 2820 #: Bluetooth device IP address (only for phones that have Bluetooth)
* # 7780 #: Restore factory settings
* 3370 #: Enable Enhanced Full Rate Codec (EFR). Your Nokia phone will use the best sound quality, but this feature requires more energy so that sedikin drain battery power.
# 3370 #: Disabling Enhance Full Rate Codec (EFR)
* # 43 #: Checking the status of "Call Waiting"
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