These are the instructions to root Blu Studio 5.0 C HD smartphone using the KingRoot App.
Requirements: Your Android Device should have at least 20 percent of device battery and internet access to begin the root process.
Congratulations! Your device is now Rooted. You can verify the root status using any Root Checker app from the Play Store.
Readme Once:
[*] No data loss process: Your Blu Studio 5.0 C HD Phone Data like contacts, pictures, videos, music, etc. will not be affected by the above method.
[*] Warranty Void: Your Blu Studio 5.0 C HD Device Warranty may be Void after following the above method.
[*] How to unroot? If you want to unroot the Android Device, then head over to How to remove Kinguser App page.
[*] Replace KingUser: After Rooting the device using the Kingroot, you will get a Chinese SuperSU app called KingUser. If you are not comfortable with the Chinese KingUser App and want to replace it with the official SuperSU App, then head over to How to replace KingUser App with the SuperSU page.
[*] Blu Stock Firmware: If you are looking for the original firmware for your device, then head over to Download Blu Stock Firmware page.
[*] Blu USB Driver: If you are looking for the original USB Driver for your device, then head over to Download Blu USB Driver page.
[*] Credits: KingRoot Application is created and distributed by Kingroot Studio. So Full Credits goes to them for the Application.