Hello Guys, a recent update in one our favorite forum XDA, a great developer tried to port Redmi Note 5 Pro's Face unlock to Redmi Note 4! Im Going to show you all 2 Methods: 1st one is for root users and 2nd one is for non root users! For doing the 1st Method this is what we need : 1.ROOT 2.TWRP RED WOLF RECOVERY(SUGGESTED) 3.BACKUP OF ALL DATA ON YOUR PHONE! SO first, once backed up all the files, clear cache of your phone, then flash as a regular file, i cant link the files, if its not allowed so! Then boot normally from twrp. That's it, then you would have an option in lock screen and passwords option 2nd METHOD : If you want face unlock without flashing and not doing all that stuff, there's already a option by google in All devices. But for no reason i didn't find the google smart lock option in MiUi9! But, i got your back Open settings, from top corner search for smart passwords and enable it! Then in settings > Account > Google > Smart Lo...