Hey Dev if u are free from your work then port a ZCX TWRP for xiaomi mi 3 based on official kernel source...!! Anyone has need it...!!
Because it supports ota incremental updates...!!!
Plzzz....
try to go in recovery mod and go to advance choose wipe battery cache ! It will work greatly bro :) but make sure charge your battery 100% and wipe battery cache and do not charge until it dead ( 0% ) after that charge your phone .. This because called [Re]calibrate :)
make sure your phone have been rooted !
turn on phone and connect phone to flashtool
click on plugin
if it show out unlock bootloader ( you can proceed )
if not can't :(
then it will give step ! done just follow the steps carefully ok ! :D