How to Remove Unlocked Bootloader Warning on Moto X4
Shoutout/Credits to xda member @AvenidaDelGato for the modified logo bin file.Text Guide.
Make sure adb and fastboot are setup and working.
Donwload and Unzip the modified logo file. Place logo3.bin in platform-tools folders, or whereever you have fastboot and adb.
Navigate to adb/fastboot folder
adb reboot bootloader
fastboot flash logo_a logo3.bin
fastboot flash logo_b logo3.bin
./adb reboot bootloader
./fastboot flash logo_a logo3.bin
./fastboot flash logo_b logo3.bin
Modified Logo.bin zip file - https://forum.xda-developers.com/showpost.php?p=77013516&postcount=4
Mirror of Modified logo.bin zip file - https://mega.nz/#!eYFiVaxT!mpt4RhJDToEcJG4TSpw-CBePLIhd_hm8OjRGTu3egoU
ADB and Fastboot - https://www.xda-developers.com/adb-fastboot-any-directory-windows-linux/
Motorola Drivers - https://support.motorola.com/us/en/drivers