w0rld-hist0ry

* # 30 #: Displays 'private number' that contact you.
* # 73 #: Reset phone timers and game scores (on some phones).
* # 7780 #: Restore to factory settings (factory setting).
* # 2820 #: Bluetooth device IP address (for mobile phones that have Bluetooth).
xx #: quick access to the names / phone numbers in the phone book, for example 20 #.
Button off: Pressing with short, to switch between profiles.
* 3370 #: Enable EFR (Enhanced Full Rate) Codec (not valid on Symbian phones).
# 3370 #: Disabling EFR Codec.
* # 4270 #: Activate Half Rate Codec.
* # 4270 #: Disable Half Rate Codec.
* # 0000 #: Displays the phone software version.
* # 9999 #: alternative code if * # 0000 # does not work.
* # 06 #: Seeing the IMEI number (International Mobile Equipment Identity).
* # 21 #: Checking the number diverting "All Call" is used.
* # 2640 #: Displays phone security code is used.
* # 43 #: Checking the status of "Call Waiting".
* # 61 #: To check the caller's number is diverted when you are not answered.
* # 62 #: Checking the caller number is diverted when your phone out of reach.
* # 67 #: Checking the caller number is diverted when your phone is busy.
** 21 * number #: Turning on the transfer of "All Call" to the number required.
** 61 * number #: Turning on the transfer of "No Reply" at the number required.
** 67 * number #: Turning on the transfer of "On Bussy" in the number filled.
* # 67705646 #: Changing the logo operator logo on Nokia 3310 and 3330.
* # 746025625 #: Displays the SIM Clock status.
* # 7760 #: Displays the manufacturer code (most of the old type of phone).
* # 92702689 #: Bring Forth: 1. Serial Number, 2. Date Made, 3. Purchase Date, 4. Date of last repair, 5.Transfer user data. Out of this mode must restart the phone (on some phones).

Additional Update Nokia GSM
Nokia 21xx
Code Explanation
* # 06 # IMEI code
* # 3283 # Sunday Production / Month & Year
* # 9999 # Version Software

Nokia 32xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service Menu
* # 746025625 # Sim Clock Stop
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.
* 4720 # HR active, not more clear sound, long-lasting batteries.
# 4720 # HR OFF.

Nokia 51xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service menu
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.
* 4720 # HR active, not more clear sound, long-lasting batteries.
# 4720 # HR OFF.

Nokia 61xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service menu
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.

Nokia 81xx
Code Explanation
* # 06 # IMEI code
* # 8110 # software version, date of production and model number
* # 92702689 # Service menu

Nokia 88xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service Menu
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.

Nokia 90xx
Code Explanation
* # 06 # IMEI code
* # 6823711
58412125 # Version Software
* # 3283 # Date of Production