need to bypass pin no. on nokia dbox 2

hi there i have a nokia dbox 2 and recently got it flashed by a buddy who knew somebody but since mon i have lost 80% of my channels and i need to do a service scan but its asking for a pin code i have tried the 1 he gave me and others is there any way to get around this so i can get my channels back any advice would be great.its flashed with andromeda