The Simple and Easiest Way to Root mi4i is to download Mi4i tool created by magdag.
This Toolkit include 5 options as you can see in image given below.
How to Root and Flash TWRP Recovery
1. Enable Developer Options (Tap MIUI version 7 times in About Phone), and then in Developer Options [in Additional Settings] enable USB debugging.
2. Download Mi4i Toolkit | Mirror
3. Extract the downloaded ZIP
4. Connect your phone to the PC.
5. Run the Start.bat file [inside folder]
This Toolkit include 5 options as you can see in image given below.
How to Root and Flash TWRP Recovery
1. Enable Developer Options (Tap MIUI version 7 times in About Phone), and then in Developer Options [in Additional Settings] enable USB debugging.
2. Download Mi4i Toolkit | Mirror
3. Extract the downloaded ZIP
4. Connect your phone to the PC.
5. Run the Start.bat file [inside folder]
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