Nokia Secret Codes Part 4:

0000 ... is according to standard those (with Vodafone windshield frame section) set 2te pin and that standard net code/password
With D1 the standard net code is the last 4 numbers of the card number without HLR e.g. 99999234-5/55 - > 2345
------------------------------------------------------------------------
0 - for a long time press If one the "0" in the main menue for a long time presses those homepage of the standard WAP connection is called.
------------------------------------------------------
Caution - starting from here the codes are "dangerous"
*#7370925538#
* # of res wallet # ... is to be deleted the code around the "wallet"! Input like normal telephone number (not in wallet code inquiry windows).
NOTE! Afterwards the "wallet" is empty, can again be put on however with new code.