This Most tricks applicable works also with Nokia 7610, 6670 too
*#06# Serial Number/IMEI indicates
xx# Directory quick access (xx = storage location and afterwards lozenge e.g. 24 #)
On/Off key -short pressing for menu for switching between profiles
Menu key - Long pressing for "task manager" - switching between active programs (with "C" key programs can be terminated.)
Menu quick access - Over in the menu e.g. to point 3.1 arrive simply 31 enter (if the third symbol a file is opened is for these and then in it started the first Programm/Icon).
