Poor handling of an overdebit and having me run after them.

I'm a tolerant guy but if it takes a month to issue a refund for a refund on an OVERDEBIT, then I draw the line. I was overdebited 4x the required amount and I immediately made them aware via the Whatsapp chat channel on 23 July 2025. I wasn't too worried because these things happen and was hoping it would resolve itself within the next couple of days. I contacted them again on 28 July when the debits weren't reversed yet. They told me that the extra debits will be allocated to my account and that the next debit order won't go off since it will have funds already in my account. Guess what? The debit tried to go off on the 1st of Aug - but I deliberately removed funds from my account because I was suspecting it might go off. I was told that my internet won't be disconnected because there are the extra funds that will cover the debit. On 4 Aug, internet disconnected. They asked me to pay so that I can reconnected and then they will issue a refund for the overdebits. I paid. Today is 20 Aug and I'm still awaiting on the refund after constant follow ups.

A mistake on their part which I AM needing to follow up on is absolutely unacceptable.

I've dealt with some many different consultants trying to get this resolved and some of them have been really helpful - it seems the holdup was in the Finance department. My query has been escalated so many times but the next time I contact them, there is no note of an escalation. HOW??

I'm moving to a new ISP at the end of this month.