This happened to me, too. After the eleventh month of purchase, I noticed display discoloration in the top left corner and went to the service center. They gave the same reason they gave you. But I fought with them and escalated the issue to customer...
Hey, so like, my S23 had the same problem a few months back. I went to the store since it was still under warranty, and they were all like, "If there's water damage, no warranty for you." Luckily, there was no water inside the screen, and they replac...