rootNeed help on unroting any android Smarptone follow this simple steps
1. Download and install SuperSU app (free)  from Googgle Play Store here.
2. Run/install the SuperSU app, go to Settings, and choose “Full Unroot”.
Reboot your phone and you should find your Android device completely unrooted.  If you still see SuperSU or Superuser app, simply uninstall using Play Store. Remove SuperUser.apk file su folder and bin.
supersu1unrootThe Files you need to remove:

fro, your system root directory and your phone is rooted.