Attn: Nokia Cell Phone Users

[HAZE]

I found some codes from a Nokia Users website that might be helpful. The one that is probably the most helpful is the EFR code which increases your signal strength. Also, if you have a refurbished phone, you can find info on when it was created, repaired, etc.

Check it out:

http://www.ringtonerfest.com/6100/6100/codes.html

NO RESPONSIBILITY IS TAKEN FOR ANY DAMAGE DONE TO YOUR PHONE AS A RESULT OF USING THESE CODES. IF YOU DO NOT UNDERSTAND THEM YOU ARE ADVISED NOT TO TRY THEM OUT.

Firmware version:

*#0000#

*#51x0# or

*#9999#

View Serial No., Date Made, Programming Date, Repaired:

*#92772689#

Thanks to Ben-Dov for this code

IMEI (International Mobile Equipment Identity) Code:

*#06#

Enhanced Full Rate (EFR):

*3370# to activate EFR. Makes calls sound better, but decreases battery life by about 5%.

#3370# to deactivate EFR

Half Rate Mode (HFR):

*4720# to activate HFR. Decreases call quality but increases battery life by about 30%.

#4270# to deactivate HFR.

Default Security Code:

12345

Warranty Code:

*#92702689# [*#war0anty#] asks warranty code. You can then type a number of codes (Thanks to Mike Pfaff for these codes):

6232 - Display date of manufacture

7332 - Display date of last repair

7832 - Display purchasing date

9268 - Display serial number

37832 - Set purchasing date to MMYY

87267 - Confirm Transfer, Related to firmware upgrades