1st- download and install all driver of your mobile on your computer with ADB driver.
2nd- then connect your mobile with computer on fastboot mode
3rd- then in your computer's C drive new ADB folder made by driver open this folder and open new powershell window in that folder-
4th- then type there (fastboot devices)
then in that program you can see your mobile's serial number
then type command (fastboot OEM unlock)
after that your bootloader will be unlocked
ive got problems with unlocking my redmi 5 plus MEG7 TAM guaranty it cannot binding accounts so i cant unlock bootloader, i try to change vpn it wont work i dissappointed with this smartphone.. there is any solution for what happen here?