[hide=2]1. Imagine ur cell battery is very low, u r expecting an important call and u don't have a charger.
Nokia instrument comes with a reserve battery. To activate, 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.
*3370# Activate Enhanced Full Rate Codec (EFR)-Your phone uses the best sound quality but talk time is reduced by approx. 5%
#3370# Deactivate Enhanced Full Rate Codec( EFR)
*#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
2. *#0000# Displays your phones software version,
1st Line :S oftware Version,
2nd Line : Software Release Date,
3rd Line : Compression Type
3 *#9999# Phones software v ersion if *#0000# does not work
4. *#06# For checking the International Mobile Equipment Identity (IMEI Number)
5. #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
6. #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
7. #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
8. #pw+1234567890+4# SIM Card Lock Status.(use the "*" button to obtain the "p,w" and "+" symbols)
9. *#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)
10. *#21# Allows you to check the number that "All Calls" are diverted To
11. *#2640# Displays security code in use
12. *#30# Lets you see the private number
13. *#43# Allows you to check the "Call Waiting" status of your phone.
14. *#61# Allows you to check the number that "On No Reply" calls are diverted to
15. *#62# Allows you to check the number that "Divert If Unrea chable(no service)" calls are diverted to
16. *#67# Allows you to check the number that "On Busy Calls" are diverted to
17. *#67705646#R emoves operator logo on 3310 & 3330
18. *#73# Reset phone timers and game scores
19. *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it
means you will get the best standby time possible
20. *#7760# Manufactures code
21. *#7780# Restore factory settings
22. *#8110# Software version for the nokia 8110
23. *#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
24. *#94870345123456789# Deactivate the PWM-Mem
25. **21*number# Turn on "All Calls" diverting to the phone number entered
26. **61*number# Turn on "No Reply" diverting to the phone number entered
27. **67*number# Turn on "On Busy" diverting to the phone number entered
Each command is prefixed with either one or two * or # characters as follows:
** Register and Activate
* Activate
## De-Register (and Deactivate)
# Deactivate
*# Check Status
