Exceptional bad service from MTN

This is the second time I am writing a review about MTN they do not respond even on this platform to requests or complaints. I work in a service delivery environment and believe me we have a department who deals with escalations and queries we have turn around times and should we not resolves queries within that time penalties will be paid there are consequences. Form MTNs side there is no accountability for poor service delivery why must a beg to get service which I pay for? I have been waiting for 3 months for an upgrade. Each time I enquire I receive a beautifully well constructed answer but no active feedback. I am so dissatisfied and disappointed in the service of this service provider I would never recommend them to anyone