Did you actually look at the supported devices list on htcdev.com? Or any of the other recent coverage like this: http://lifehacker.com/5871759/htcs-official-b

Did you actually look at the supported devices list on htcdev.com? Or any of the other recent coverage like this: http://lifehacker.com/5871759/htcs-official-bootloader-tool-now-unlocks-more-htc-phones-new-and-old http://lifehacker.com/5871759/htcs-official-bootloader-tool-... Ironically, that article references an XDA report that the official unlock tool works on the Thunderbolt (shortly before HTC announced it).