The hotfixes address these two issues:
Hot fix for resolving a display flicker of the title bar in TouchFLO 3D
In some circumstances, you may experience a frequent flickering of the title bar in TouchFLO 3D. If this happens, please install this hot fix to resolve this problem.
Hot fix for improving the on-screen slider feature for answering calls
When trying to answer a phone call, sometimes itâ€™s hard to answer the phone by using the on-screen slider. If you encounter this problem, please download this hot fix to solve this problem.
To download the fixes visit the HTC Touch HD support page here.