On the main screen type
*#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.
*#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
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#
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
off security alarms at shop
exits, gr8 for practical jokes!
(works with some of the Nokia
phones.)
Press and hold "0" on the main
screen to open wap browser.
