HTC Announced another Android 2.2 froyo Powered HTC ThunderBolt Smartphone, The ROM Update Utility has been leaked and ripped. Not mean, you can easily install the Rom on your Android ThunderBolt. It is only available for the developers who intrested in checking the stuff or phones.
This ROM can be ported to other revices or you can extracted data, apps and more into other ROM.The HTC ThunderBolt Leaked ROM around 500 MB and it is 100% bing free. Chect this video about boot animation of HTC Thunderbolt