Unauthorized debit Order from MTN (*****)

On the 2nd of November 2021 my FNB account was debited by MTN with R2132.07 of which I don’t have knowledge off, as I don’t have any contracts or business with TMN whatsoever. Upon contacting MTN they told me this is ***** & I need to send them a copy of my certified ID, SAPS signed & dated Affidavit stating under oath that I don’t know anything about this contract, of which I has to miss work & attend to this issue, then I furnished MTN with the requested information for them to start investigating this issue, Then I called FNB to inquire why did this debit order went through without my knowledge & without proper authenticated collection process, of which FNB were willing to reverse the funds & stop the debit order on my account without any penalties incurred, well done FNB. My challenge now is MTM it’s been 21 days since I last send through the documents, on a weekly basis I send them an email requesting feedback, no communication is coming from MTN side, this is really impacting my financial status negatively as my application for a home loan was declined due to this God forsaken unauthorised debit order. Could MTN please resolve this matter URGENLY as this is not my doing & my children future is hanging in the balance.