FYI, problem finally fixed on my end, as of some time yesterday (9/19).
I didn't do anything special, just noticed that it had finally
disappeared. Yea!!
Yes. I just created a "test" draft listing on my desktop. I switched to
my phone to upload a photo. When I went back into the draft on my
desktop, the Item Specifics I had initially added were gone. Please
advise. Thank you.