Root Android via KingoRoot APK Without PC

Rooting your Android phone gives you greater access to its operating system, allowing a higher level of customizability. Since there is so much variety in Android phones, there is no single rooting method that will work for every phone or version of Android. 

Root Android via KingoRoot APK Without PC Step by Step
Step 1: Free download KingoRoot.apk. ...
Step 2: Install KingoRoot.apk on your device. ...

Step 3: Launch "Kingo ROOT" app and start rooting. ...

Step 4: Waiting for a few seconds till the result screen appear.

Step 5: Succeeded or Failed.