It only matters if it was a Tencent device that was converted from CN to WW firmware and then locked, not which version is installed.
Leaving this here because prevention saves devices:
DO NOT LOCK THE BOOTLOADER WHILE ROOTED! When locking the bootloader while rooted, the boot image will fail verification and the system will fail to boot. You cannot flash a stock boot image with a locked bootloader. Locking the bootloader will...