Rain no network coverage

I have been having network issues calling and following up on numerous occasions since October 2023. I was promised to be assisted; however, up to date, I have not received anything. In the beginning of Feb 2024, I even sent an email saying that am canceling the agreement as I could not pay for services that I was not using. I was checking my account today, and I see that I have been billed 3 invoices from December 2023 to Jan 2024. I have made a lot of calls, and they kept on promising to fix the network issue. I am therefore disputing the invoices from Dec 2023 to date. I was told multiple times that I am connected to a faulty tower, which is being attended to; however, there have been no resolutions on that until I decided to unplug the Wi-Fi gadget. However, I see the billing under my account.