Solution
Step 1: Obtain the Vacuum Suction Tool
Step 2: Remove the target LED module. Note that the whole display will have the same batch number, so it may not matter which LED module you remove.
Step 3: Refer to the following location for the batch number on the underside of the LED module:
Step 4: The 12-character alphanumeric identifier will be the batch number or color code.
The batch number or color code in this example is W8D202400001
Watch for Instructional Video: "YouTube How-to | How to find LED Module batch number or color code"