Rsd is only for a factory restore, just what you need.
If you have superSU installed you can use that to unroot as there is an unroot option in there and it does work, after you unroot then uninstall superSU.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.
Are you a developer?
Copyright © xda-developers. Hosted by Leaseweb