Towel Root is a app that exploits your kernel which they allows the app to inject SU file it to your android device file system. This gives you root access but you will still need to install SuperSU App from Google Play Store after using the Towel Root app. geohot is the developer behind this awesome and easy to use exploit. always remember to support your dev’s 🙂 This Root exploit works great with lots a different devices please try it on yours and comment below if it works for you. I know it works on lots of android 4.4 Kitkat device
Its simple Just go to Towelroot.com and click on the upside down Y and the app will download to your device. Next you need to enable unknown source so that you can install the Towel Root app. Once install just click the Make it ra1n button shown aboove and you will have root access. Make sure you install Supersu & root checker apps to make sure root is working correctly.
Here is a video of me rooting my Galaxy S5 with the app
NOTE If the SU binary isnt updating correctly just reboot the device and check again.
Towel Root Exploit is known to works on these devices
AT&T GS5, Verizon GS5, GS4 Active, Nexus 5
May have some troubles at the door but invited: AT&T/Verizon Note 3
Possibly invited: Every Android phone with a kernel build date < Jun 3
Also many other devices work. i have used it on many Motorola devices as well. Try it on your android device