*#06# for checking the
IMEI (International 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..
#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. Unlock service
provider: Insert sim, turn
phone on and press vol up
(arrow keys) for 3
seconds, should say pin
code. Press C,then press
* message should flash,
press * again and
04*pin*pin*pin#
*#7328748263373738#
resets security code.
Default security code is
12345. Change closed
caller group (settings
>security settings>user
groups) to 00000 and ure
phone will sound the
message tone when you
are near a radar speed
trap. Setting it to 500 will
cause your phone 2 set of