The security of Android devices has come under a lot of scrutiny in recent months, with researchers identifying various root exploits and permission leaks that could be exploited. In this video, researcher Thomas Cannon of ViaForensics demonstrates a method for setting up a remote shell on an Android device without using any exploits or vulnerabilities. The method works on various versions of Android, up to and including Gingerbread. The only thing is that there are no details about the tools u use, any detailes on the exploit methods.
Source: https://threatpost.com/gaining-remote-shell-android-122011/76019/