What you write is disturbing… Didn’t you have any meetings with the audi after the activation? Absolutely none, but one? Did you not report your discomfort to them? Personally, I was forced to visit myself because I had settings that were too uncomfortable though, but it’s all OK now and I don’t regret.
Medel implants have very long electrode (usually) so you should hear at least some low sounds. Have you had any control of electrodes impendances/placement or neural responses?
Having CI requires MUCH patience. I let mysef to show you my old posts but I recommend to read the whole topic: