HTC has, since manila 2.5, designed and developed a completely new text messaging application (HTC Messaging App) to replace the old Windows messaging application for the entire SMS/text messaging functionality. Some of you may not be affected by the poor performance of HTC messaging app. But for me, it’s so poor that despite trimming my text messages to just 200, every operation (open message, compose a message, etc) takes a few seconds at least, and it is just not usable for me. It looks to me as if HTC has designed, developed and tested with just a handful messages in mind.
So I did some investigation, and found out a way to disable HTC messaging app, and revert back to the original Windows messaging application, i.e. pocket outlook, for text messaging. Technically speaking, it’s a combination of registry tweak and a small patch utility I wrote to overcome a bug/problem as a result of disabling HTC messaging application.
You can download from here