Turkcell Superonline Refuses to Fix My Internet Despite My Repeated Requests

The complaint I previously submitted about Turkcell Superonline was dismissed with the claim that there was no issue with the internet. Trying to resolve the issue myself, I found out that having the modem installed inside a manto (insulated wall) port can cause internet reception problems. However, during the initial setup, I was told there would be no issues and the internet would work fine everywhere. When I contacted Superonline customer service, they said they could offer a modem relocation service for a fee of ₺600. I agreed and requested technical support on 01.05.2025; my request was confirmed at 22:05 under the number 179192395. On 02.05.2025 at 19:13, I received a message saying the request was being completed. When I clicked the link in the message, I saw that the wrong block name had been entered for the address and the request note stated "your issue has been resolved." I called Superonline again at 21:57 and reported this. They told me the team had tried to call me but couldn’t reach me, even though no one had actually called. How did they manage to reach me easily for the initial installation then? This time, they gave me two different request numbers and opened a new technical service request under number 179235358, promising a response within 24 hours—but no one ever got back to me. Neither the technical team nor customer service is being truthful, and my internet issue remains unresolved. I’ve been strung along for a month. I ask that this issue be taken seriously and that I no longer receive vague or dismissive answers.