NO FEEDBACK IN TWO MONTHS FROM MTN!!!

I've been trying to cancel an unauthorized upgrade from mtn's side for months now. I got an email from Ayesha Jaffer on Dec 29, 2023 and then the last email from Mpho Phatswane on Jan 30, 2024 asking her team to come back to me with an answer. Almost two months now with no answer! Is it guilt, lack of professionalism or just utterly poor service? MTN if you have any marrow in your bones, please provide me with an answer to my cancellation of your unauthorized upgrade or i'll have no choice. My MTN account number A***