How to Root Karbonn A12+ Easily: Droidiser.com
This video will show you how to unroot Karbonn A12+. In addition to the steps shown in the video, you need to install drivers for your phone. For information on how to do that and other details about the procedure, head over to the originating article here:
http://www.droidiser.com/2013/10/root...
Sorry for my low voice in the video and for the poor quality. You can look forward to better voice of mine in further videos of mine but I can't really say anything about the quality as I don't have a camera/camcorder.