I had the exact same problem with my S21 Ultra, absolutely pathetic service from Samsung. They could not get the spares to repair my phone and yet they didn't bother to inform me. My phone was then deemed to be unrepairable and approved to get a repl...
My phone has been booked in and deemed unrepairable. I received no feed back whatsoever from any entity of Samsung to inform me of this, I had to be the one to keep calling back. I was approved to receive a replacement device, again I was not informe...