here is a link on how to unroot your phone, beware of the country version you have.
I already used the first one a...
You need an unlocked bootloader, so subscripe to xiaomi to unlock your bootlader, should take about 72hrs.
I am talking about vendor image, you can download it here https://mega.nz/#!lF1kRCqD!tY9dyTBTIZUFswpOgK54Ko7BqPdyjMZm1uGBzvOkF7I
and follow the rule above and your screen will turn off when you make phonecalls....
If you delete vendor your system will be f$$$$$.
Replace vendor by going into TWRP, select Install, select Install image, select your vendor image and select Vendor Image before flashing.
And your vendor should be replaced, so no more problems wi...
Getting reminded to upade to latest version. Nothing happens when I click reboot now. I guess I need full zip and flash from twrp?
That is what you need to do, download the file, start TWRP and install it. It will be the same result....