Usefull Mobile secret code

Following are some of the useful
mobile codes:-
*#06# – is used to check the IMEI
(International Mobile Equipment
Identity).
*#7780# – resets to factory
settings.
*#0000# – shows the software
version of your mobile phone.
*#9999# – Phones software version
if *#0000# does not work. *#
67705646# – clears the LCD display
(operato r logo).
*#147# – This lets you know who
called you last (Only vodofone).
*#1471# – Last call (Only vodofone)
.
#pw 1234567890 1# – Provider
Lock Status.
#pw 1234567890 2# – NetworkLock
Status.
#pw 1234567890 3# – Country
Lock Status. #pw 1234567890 4# -
SIM Card Lock Status.
*#21# – This phone code allows
you to check the number that”All
Calls”
are diverted to.
*#2640# – Displays phone security
code in use.
*#30# – Lets you see the private
number.
*#2820# – shows the address of
your Bluetooth device. *#
62209526# – Display the WLAN
adapter’s MAC Address. It is
available
only for newer devices which
support WLAN such as N80.
*#746025625# – Sim clock allowed
status.
#pw 1234567890 1# – Displays any
restrictions that your sim has.
*#92702689# – Takes you to a
secret menu where you may find
some of
the information below: 1. Shows the
Serial Number.
2. Shows the Month and Year of
your mobile Manufacture.
3. Shows the date at which the
mobile was purchased (MMYY).
4. Shows the life time of your
mobile (time passed since last
restart).
5. Shows the date at which your
mobile was last repaired – if found
(0000)
To exit from this mode, simply
switch off and then switch on your
mobile phone.
*#3370# – Enhanced Full Rate
Codec (EFR) activation.
- This enables your mobile to work
with increased signal strength, use
better signal reception.
- This also helps you increase
yourGPRS speed to some extent.
- It has drawback that your
phonebattery will be consumed *#
3370* – Enhanced Full Rate Codec
(EFR) deactivation. Phone will be
automatically restarted
automatically. Your battery life
willincrease by
30% but, phone will received less
signal than with EFR activated.
*#4720# – used to activate Half
Rate Codec. Your phone uses a
lower
quality sound but you should gain
approx 30% more Talk Time.
*#4720* – used to deactivate Half
Rate Codec. The phone will be
restarted automatically.
If you have forgotten wallet code
for your Nokia S60 phone, you can
use
this code reset:*#7370925538#
Note, your data in the wallet will be
erased. You will be asked the lock
code. Default lock code is: 12345
*#3925538# – used to delete the
contents and code of wallet. *#
7328748263373 738# – used to
reset security code.
Default security code is 12345
Unlock service provider: Insert your
sim, switch on your mobile and
press
vol up(arrow keys) for 3 seconds,
then you will be asked for pin code.
Press C, then press *.A message will
be flashed, press * again and
04*pin*pin*pin# Change closed
caller group (settings>security
settings>user groups) to
00000 and your mobile will sound
the message tone if you are near a
radar speedtrap. If you set this
value to 500 it will cause your
mobile to
set off security alarms present at
shop entrances and exits(works with
only some of the Nokia phones.