*#06# for checking the IMEI (International Mobile Equipment Identity)
*#170602112302# shows the SW version.

Latest software version on Nokia 1610: v 5.15 (25.02.97) NHE-5NX - older version V 4.19
Latest software version on Nokia 1611: V 4.03 NHE-5SX

Nokia 2010

To view IMEI number *#06#
To view Software Version enter *#9999#

Nokia 3210

*#06# for checking the IMEI (International Mobile Equipment Identity) Information you get from the IMEI:

XXXXXX XX XXXXXX X

TAC FAC SNR SP

TAC = Type approval code
FAC = Final assembly code
SNR = Serial number
SP = Spare

*#0000# To view Software Version.

#746025625# [*#sim0clock#]
Checks if the sim clock can be stopped. Sim clock stop is a kind of stand-by mode which will save battery time. This code doesn't work with software version 4.59.

*#92702689# [*#war0anty#] takes you to a secret menu with 6 choices:

1. Displays Serial Number.
2. Displays the Month and Year of Manufacture (0997)
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repairment - if found (0000)
5. makes you capebel of transferring user data if you have the gear for it
6. shows how many hours the phone has been on

Latest software version: V 5.02 NSE-8/9

V.4.41 NSE-8/9 (17-08-99)0
V 4.11 (???)
V 3.10 NSE-8

*#3370# - Enhanced Full Rate Codec (EFR) activation. It will automatically restart.
*#3370* - Enhanced Full Rate Codec (EFR) deactivation. It will automatically restart.
*#4720# - Half Rate Codec activation. It will automatically restart
*#4720* - Half Rate Codec deactivation. It will automatically restart

Enhanced Full Rate will give you much better sound quality when you enable it. The new Enhanced Full Rate CODEC adopted by GSM uses the ASELP (AlgebraicCode Excitation Linear Prediction) compression technology. This technology allows for much great voice quality in the same number of bits as the older Full Rate CODEC. The older technology was called LPC-RPE (Linear Prediction Coding with Regular Pulse Excitation). Both operate at 13 kilobits.(but you take up more space on the network, so they can charge you more) - Talk-time is reduced with about 5%

Nokia 3810

To view IMEI number *#06#
To view Software Version enter *#3810#

Nokia 6080 / 6081

*#06# for checking the IMEI (International Mobile Equipment Identity)
*#0000# shows the SW version.

Latest software version on 6080 V 4.80 NHE-2
Latest software version on 6081 V 5.14 NHE-2A

Nokia 6120 / 6160 / 6162 (TDMA phones)

*#92772689# for checking ISDN number.
*3001#12345# for field test mode and nam selection and some other stuff...
*#9999# shows the SW version.