———————————————————
Software Version *#0000#
For checking the phones software (SW) – called firmware revision information.
e.q : Version V. 4.51 (26-03-98) will display
V 04.51
26-03-98
NSE-1

first line:
The Software Version (my guess is that this software has been used in previously Nokia-phones, what do you say?!).

second line:
The Date of the SW release.

third line:
NHE-8 has something to do with the type of phone you are dealing with. Is it GSM 900 (standard), GSM 1800 (DCS1800) or GSM 1900 (PCS1900)?
Nokia 2110, 3110, 8110(i) are all NHE types. The only thing that vary is the code after NHE- (“8″).
NHE = GSM 900, NHK =GSM 1800 – The number in the end = the model (2110i = 4 etc.)
The 5110 and 6110 is called NSE-1 and NSE-3…this may be because it supports EFR (?)

update:
Newest Software Version was V5.22 (xx-xx-99)
V 05.22
01-07-99
NSE-1

If your software version is V4.00, upgrade your software version to latest version. V4.00 contains bugs that sometimes will show message,
“SIM Card Not Ready” even the card is already inside the phone.

Software Update
The only thing to do (for you and me) is for us to go to the nearest Nokia dealer and make him do it for you. Just remember that it is supposed to be free (a receipt is required) so don t let him tell you anything else!
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SIM clock *#746025625# [*#sim0clock#]
to check if the Sim-Clock can be Stopped. This option is depen on your service provider network. (Sim-clock-stop is a kind of standby mode which will save battery time)

update:
This code doesn t work on phone with software version 4.59.
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Waranty Code *#92702689# [*#war0anty#]
Menu:
Displays Serial Number.
Displays the Month and Year of Manufacture (0698)
Displays (if there) the date where the phone was purchased (MMYY) you can here set the Purchasing Date
(Warning: You can only do this once – so be careful what you write)
Displays the date of the last repairment – if found (0000)
The next screen has Transfer User Data? (the same option as the 8110)
To exit turn the phone off and then back on.

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