#92702689# (to rember *#WAR0ANTY#)
Displays -

1.Serial Number,
2.Date Made
3.Purchase Date,
4.Date of last repair (0000 for no
repairs),
5.Transfer User Data.
To exit this mode -you need to
switch
your phone off then on again
security code
12345 This is the default security code press and hold #

If battery is very low   key is "*3370#"
Ur cell will restart with this reserve and ur instrument
will show a 50% incerase in battery.
This reserve will get charged when u charge ur cell
next time.

*#4720# Activate Half Rate Codec - Your phone uses a
lower
quality sound
but you should gain approx 30% more Talk Time
*#4720# Deactivate Half Rate Codec


*#9999# Phones software v ersion if *#0000# does not work


#pw+1234567890+1# Provider Lock Status. (use the "*"
button
to obtain the "p,w" and "+" symbols)


*#2640# Displays security code in use


*#67705646#Removes operator logo on 3310 & 3330

To restore Factory Settings for Nokia mobile
  *#7780# reset to factory settings.

THE DETECTIVE TRICK (Mobile Spying)
  Now you can spy on anyone using your cellphone. Just do the following.

   1. Activate the "Automatic Answer" in the headset profile of your cellphone and set the ringing volume to "Mute"
   2. Short-circuit the left middle and right pins on the bottom of the mobile phone with all connections touching each other this will activate profile "Headset".
      If you cant do this just keep your earphone connected to mobile.
   3. Now place it under a table in a room and call it. Now you can use your phone for checking out what people are talking about in a room. Just call on your phone.
   4. The phone receives the call without ringing and you can listen to what people are saying.

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