XD, estan de coña en la wiki, han puesto las instrucciones del update.zip pero no el archivo XD
1. Copy .zip onto sdcard
2. Reboot phone into recovery (I use Clockwork but Amon-Ra is just as good, and may endup better ;p)
3. Perform a nandroid backup
4. Install zip from sdcard and select zip downloaded from above.
5. Perform hack on PS3
6. Reboot to recovery and restore nandroid backup
7. Goto 1 each time you switch on PS3 until a better method is developed
http://wiki.psfreedom.com/wiki/HTC_Hero