Root and Install TWRP on Xiaomi MI 4i without using PC [Guide]

Here is how to root Xiaomi MI 4i on MIUI 6 / MIUI 7 Lollipop update. The best part is, you don’t have to install a custom kernel just to gain root access on your mobile. We will be using the latest release of SuperSU for rooting this mobile. You can now root MIUI6 / MIUI 7 on Xiaomi MI 4i without using PC using the tutorial below. All you need to do is to download some files which I will mention