Paying premium for zero coverage — MTN leaves me unable to call for help in my own home

I am currently housebound following surgery and I cannot make or receive a single call from my own home — I cannot reach emergency services, and I cannot even contact my security company if I needed them. The reason is that I have had no usable MTN coverage at my house since taking out my contract, despite MTN's own website confirming 100% coverage in my area before I signed. I have reported this repeatedly from December 2025 through to May 2026 under coverage ticket ***, and I hold reference numbers for at least nine separate service requests — every one opened and closed the same day with no resolution. On each call I am told it has been "escalated" and that I will be assisted, yet no one has ever come back to me with a solution. MTN cites a tower 1.6 km away, which is well within normal coverage range and is MTN's problem to fix, not mine to accept. I am paying a premium rate for a service I am simply not receiving, and I need MTN to commit to how and when this will be resolved.