Japan Arc no unlock key screen

[Guest gabessat]

I had bought a Japan ARC [sO-01], unfortunately, I bought it b4 1 April, so i cannot get unlocked by docomo and also I'm not in japan now...

I think the unlock code from some provider also work but the problem is that, my phone will not prompt any unlock key insert screen, please help :"(

is this

http://asimmunawar.com/2011/02/run-softban...y-softbank-sim/

also work for ARC?