MTN's horrible service.

First MTN my account over to debt collectors without serving due notice. I paid that company off and still they could not hand me a paid up letter because I still owed MTN an outstanding balance. I paid MTN that outstanding balance and after a full year MTN has not updated the information of my account, it still says "outstanding". It's flagged on my credit report. I've emailed consultants from their legal and contracts departments to no avail. I've had a lengthy 2 month long exchange with whoever manages their Twitter account via direct messages and still no progress. Calling their call centre is the worst experience, the agents will transfer me from department to department just to tell me that my account is logged on the old system and they system is down. The system has been down since July 2021, it's now almost September 2022. I'm lucky to get that explanation, most days the agents just hang up on me when I try explaining my situation.

It's a very stressful situation.