Pathetic service is a norm

I took a 36 month contract on 20gig in November 2017 and paid the remainder of the previous contract because I was upgrading. I am on the 35 month now but you guys tell me my contract will lapse in Feb 2021. This is the second term this kind of treatment is happening to me with Vodacom. I am so done. But I am not paying any cent out of the contract this time. Your service is pathetic. I am escalating if you do not resolve it.