First, be sure that version of N95 is: V 06wk41v23.4 17-04-07 RM-159 (c) Nokia by pressing *#0000# on phone. If different you need to flash to correct version before proceeding. using jaf / unversal box / mt-box etc.
Next, you can make backup of field 308,1
Disassemble N95 and solder 4 wires: ad0,clk,vcc,gnd
Use some isolating tape on edge of N95 board
Put the phone back together
Power phone WITHOUT SIM card inside
Once phone enter OFFLINE mode, enter: #pw+aaaaaaaaaaaaaaa+b (aaaaaaaaaaaaaaaa= can be any 15 digits number, b = appropriate provider unlock key Nr from 1 to 7 !!! usually always 1)
Example code to type in is #pw+123456789012345+1
Now press button on clip and quickly press # key on the phone
If everything is ok, PHONE WILL BE UNLOCKED! and you can remove 4 wires.