Here is the tutorial on How To Root your device via Kingo Root.
Step 1: Download & Install Kingo Root App.
Step 2: Open Kingo Root.
Step 3: Tap "ROOT" Button & Wait.
Step 4: Root Succeed!
PS: If Kingo Root App fails to root your device, please click Here to learn How To Use Kingo Root PC Version.
If you couldn't be redirected to Cydia, please jailbreak first.