1) Set up ADB by following the instructional video at YouTube - ‪ANDROID SDK Tools (How-To Install)‬‏
2) Gain S-Off by following the instructions at Gain S-Off On HTC Desire, Aria and Wildfire
3) Format your SD Card
4) Download Goldcard Helper from the Android Market onto your phone
5) Enter the Reverse CID at Free HTC goldcard generator | RevSkills and follow the instructions to generate a goldcard
6) Save the Goldcard image to your Desktop
7) Go to How To downgrade HTC Hero ROM
2) Gain S-Off by following the instructions at Gain S-Off On HTC Desire, Aria and Wildfire
3) Format your SD Card
4) Download Goldcard Helper from the Android Market onto your phone
5) Enter the Reverse CID at Free HTC goldcard generator | RevSkills and follow the instructions to generate a goldcard
6) Save the Goldcard image to your Desktop
7) Go to How To downgrade HTC Hero ROM