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.
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