NOKIA MOBILE PHONE SECRET CODES

*#7780# To restore
the factory settings of mobile set
*#3283# To verify
the set Manufacturing date
*#746025625# To stop the sim clock
*#67705646# Use to delete the operator logo Clear
the operator logo (3310 and
3330 only)
*#73# Use to
reset game scores and phone timers
*#0000# Use to
display the mobile software version
*#06# To display the
IMEI Number of the mobile
*#92702689# To display the mobile warranty related
settings
(Serial no, Made, Purchasing
date, Repaired date, Life time).
*#7760# To display
the Production serial number
*#bta0# Use to
display Bluetooth MAC address
*#9999# Use to
display the mobile software version
*#2640# To display
the mobile security code
*#7328748263373738# Apply to resets the set default security
code (Default security code
is 12345)
*#43# To verify
the call waiting status
*#2820# To verify
the Bluetooth information
*#3370* (EFR) deactivation. Phone will
automatically restart. Increase battery
life
by 30% because phone receives less
signal from network.
*#delset# To delete
the GPRS AND EMAIL settings
#pw+1234567890+1# To display
the lock status of mobile set
#pw+1234567890+4# To display
the lock status of your SIM
*#3925538# delete the contents and code of wallet
*#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.
*#mac0wlan# Display the WLAN MAC address
(models with build-in Wi-fi radio)
*#21# Allows you to
check the number that “All Calls” are
diverted to
*#4720# Activate Half
Rate Codec – Your phone uses a lower
quality sound but you should gain
approx 30% more Talk Time (Use
same code to deactivate)
**21*number# Turn on “All
Calls” diverting to the phone number
entered
**61*number# Turn on “No
Reply” diverting to the phone number
entered
**67*number# Turn on “On
Busy” diverting to the phone number
entered
*#61# Allows you to
check the number that “On No Reply”
calls are diverted to
*#62# Allows you to
check the number that “Divert If
Unreachable (no service)” calls are
diverted to
*#67# Allows you to
check the number that “On Busy Calls”
are diverted to

Note : All of these codes may not work
on all Nokia phones , Please use this
secret code carefully, since some
operations are not reversible .