Poor service and *****

I've phoned countless times and none of the agents from the call center could assist me my case have been escalated more than 5times but still no one called to this point i don't know which step to take cz each month am being debit money im not aware off

I DM their page on Instagram and some called me and told me they going to acredit me and i should the remain amount of which i did pay but still they haven't fullfil their promise ...which step should i take from here