How to Root Android Device Without Computer ?

It is suggested that you try KingoRoot Apk first for that it is more

convenient and easy to use without connecting to a computer.

Allow installation of apps from unknown sources on your Android device.
Settings > Security > Unknown Sources

• Free download KingoRoot.apk on your Android.
  
• CLICK HERE DOWNLOAD
• Install and launch KingoRoot.
  
• Press "One Click Root" on the main interface.
  
• Wait a few seconds until the result appear.
  
• Try a few more times for different rooting methods if failed.
  
• If still failed, refer to KingoRoot Android PC Version, which has a higher success rate.