Nokia Secret Codes

1. *3370# : This allows you to enhance the sound quality on your Nokia Cell phone.
Press #3370# to deactivate Enhanced
Sound Rate Code.

2. *4720# : This is opposite to ESR codec
activation above. Activates a lower quality sound on your Nokia Cell phone but you
can gain almost 30% more in talk time. Use it if you are low on battery and need to last a business trip.

3. *#0000# This displays the version on
your Nokia Cell phone. *#9999# does the
same.

4. *#06# This code lets you check the IMEI (International Mobile Equipment Identity)
number of your Nokia Cell phone.

5. #pw+1234567890+4# This lets you find
out about the SIM code lock or unlock
status on your Nokia Cell phone.

6. *#21# In case you activated the Call
divert feature, you can use this code to
check that number.

7. *#2640# This displays the security code currently in use on your Nokia Cell phone.

8. *#30# In case you received a call from a private number, this Nokia Secret cell
phone code lets you see that private
number.

9. *#62# In case you are roaming on in a
place where your cell phone providers
signals are hard to reach you can activate
a “Divert If Unreachable (no service)” calls.

10. *#67705646# Remove that ugly
operator logo on your Nokia Cell phones
3310 & 3330.

11. *#92702689# This lets you see the
serial number, the date your Nokia cell
phone was made, a purchase date if in the system and the date of last repair.

12. 12345 This is the default security code on most Nokia Cell phones