Remote lock or erase

HTC Data Security gives you the ability to remotely lock your phone or erase the data on it. Data Security is available for Sense 6.0 and later China devices only.  

Why can't I find my phone in data security on the web?

If you can't find your phone in data security on the web, please sign in to your HTC Account on your phone and activate the HTC Data Security service.    > More Help