Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display
(operator logo).
*#0000# To view software version.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
*#62209526# - Display the MAC address of
the WLAN adapter. This is available only in the
newer devices that supports WLAN like N80
#pw+1234567890+1# Shows if sim have
restrictions.
*#92702689# - takes you to a secret menu
where you may find some of the information
below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the
phone was purchased (MMYY)
4. Displays the date of the last repair - if found
(0000)
5. Shows life timer of phone (time passes
since last start)
*#3370# - Enhanced Full Rate Codec (EFR)
activation. Increase signal strength, better
signal reception. It also help if u want to use
GPRS and the service is not responding or too
slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will
automatically restart. Increase battery life by
30% because phone receives less signal from
network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The
phone will automatically restart
If you forgot wallet code for Nokia S60 phone,
use this code reset: *#7370925538#
Note, your data in the wallet will be erased.
Phone will ask you the lock code. Default lock
code is: 12345
Press *#3925538# to delete the contents and
code of wallet.
*#7328748263373738# resets security code.
Default security code is 12345
Thanks for sharing this post. It is quite nostalgic to see Nokia posts right now. Nokia have been a strong institution as far as Mobile communication is concerned.