Warning! Everything you doing to your phone, you do at your own risk. The company is not responsible for anything that may happen during the process.
1.Installing TWRP Recovery to your phone following this instructions (http://blog.ulefone.com/twrp-recovery-installation-guide/)
2.After successful installation of TWRP Recovery on your phone, without disconnecting your phone from the PC press and hold “Vol+” and “Power button” and choose Recovery mode in the opened menu.
3.Copy SuperSU zip-file to your phone. Don’t need to unzip it. You can download SuperSU from here (https://download.chainfire.eu/696/SuperSU/UPDATE-SuperSU-v2.46.zip)
4.In TWRP Recovery mode press Install button.
5.Find SuperSU zip-file on your phone.
6.Swipe to Install and wait until the installation finished.
7.Restart you device.
You have successfully received Root access.