These are the instructions to root and unroot Xiaomi Mi4 Smartphone without using any Root Application (can be done through the device also).
Requirements: Your Xiaomi Mi4 smartphone should have at least 20 percent of device battery or more to begin the root process.
Step 12: Once Update process is completed, Tab on the Back key > Reboot > Reboot to System One.
[*] The Developer and Stable Rom we have shared on this page is officially provided by Xiaomi. Developer Rom is always meant to get the root access.
[*] No Warranty Void: Rooting comes under warranty for all Xiaomi Devices, means your warranty will not be void if you root your device.
[*] Xiaomi Stock ROM: If you are looking for the Original Stock Firmware, then head over to the Xiaomi Stock ROM page.
[*] Xiaomi USB Driver: If you are looking for the Original USB Driver, then head over to the Xiaomi USB Driver page.
[*] Xiaomi Flash Tool: If you are looking for the Official Xiaomi Flash Tool then head over to the Download Xiaomi Flash Tool page.