Xiaomi mi 4/4i mi account remove solution miui 8.0
xiaomi mi 4 and mi 4i mi account remove done with free tool tested solution on miui 8.0
Prosidure- working also on all miui 8.0 (bootloader unlocked models)
Download and install mi account remove tool ( link billow )
Download and install adb fastboot driver
Power off phone
Power on phone while holding volume down key phone boot into fastboot mode
Connect usb cable check driver
Press mi account remove ( fastboot mode )
Phone reboots and unlock done -( some times after unlock phone stuck on mi logo.then boot phone into recovery mode and do factory reset )OR connect phone into fastboot and again press XIAOMI MI ACCOUNT REMOVE tab.phone will be format by this tab..
!!!! feel free to comment if you have any query regarding this post !!!!
::..best of luck..::