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*3370# LCD test

*#30# Show the 'private number' that contacted you

*#73# Reset timer the cellular phone and the score game

*#7780# Returned to setting the factory (factory setting)

*#2820# The IP address Bluetooth equipment (Only to that had fitur Bluetooth )

xx# Fast access to the name/the number of the telephone in phonebook the example cellular phone 20#

OFF button Pressed briefly, to move between profile

*3370# Deactived ENHANCED FULL RATE Codec (EFR).

#3370# Deactivated Enhanced Full Rate Codec (EFR)

*#4720# Activated Hall Rate Codec. Phone Nokia You will use the quality of the voice was lower so as to be able to save battery energy around 30%

#4720# Deactivated Half Rate Codec

*#0000# Show version software the cellular phone

*#9999# Alternatif code if *#0000# not working.

*#06# Show international number Mobile Equipment Identity ( IMEI number)

*#21# Check the number of the call "All Calls"

*#2640# Show the security code of the cellular phone that was used

*#43# Call Waiting

*#61# To check the call's number that was shifted when not you answered

*#62# Check the call's number that was shifted when your cellular phone apart from the range

*#67# Chek the call's number that was shifted when your phone busy

*#7370# hard reset (hp symbian)

**21*number# Turn on divered "All Calls"

**61*number# Turn on divered "No Reply"

**67*number# Turn on divered "On Busy"

*#67705646# Change Logo Operator ( Nokia 3310 & 3330 )