) says "Yes." If it says "No," standard methods won't work, and you'll need the specific paid services this "review" likely refers to. specific software tools generate these types of verification logs?
Relocking is typically done to return a device to its original secure state for software updates or warranty. How to Relock Bootloader on any Android Device
On some "167z" builds, corrupted vbmeta can cause an orange state even when locked. You need to re-flash stock vbmeta.img with --disable-verity removed.
If you see a serial number listed, you are connected and ready to proceed.