cgsecurity.org

I have the same problem and it is not working but to be honest there was nothing important so it doesnt matter
just for information to others - dont be sure that it will help you

It is inevitable that you may lose some important data like contacts, text messages or others from the phone during the daily use. So it is highly recommend implementing a regular backup plan in order to minimize any chances of permanently losing data.

How to Recover Deleted Contacts from HTC Phones

Tips to Recover Deleted Text Messages from HTC One/Desire/Inspire