I found on another forum an easy one by one step guide how to unlock your HTC Touch Diamond, i did it just 2 min ago and it works perfect!!!
Check by yourself ---> http://forum.gsmhost...ad.php?t=614384
Moderator EDIT: Please be wary of using unidentified (possibly stolen) software to ulock your diamond. do so at your own risk! You must be sure what your doing! if you use an incorrect unlocker ment for a slightly different varient of the Diamond you could 'brick' your device!
I would advise you look HERE before using any 'free' ones out there.
Edited by James, 25 May 2009 - 08:03 PM.