hey guys im a Vogue user (until Verizon gets off their butt or i can find a Diamond with a missing/bad ESN... if anyone knows of one EMAIL ME!) but i was searching and came across
this. Im not sure if this update can help you guys or if you already know about it but heres hoping it helps!
heres the site reporting on the update:
http://wmpoweruser.com/?p=652
which has a link to where this site got the info:
http://www.coolsmartphone.com/news4200.html
and the official htc site which has the update i guess:
http://devicehelp.vodafone.co.uk/diamondupgrade.php