Axxess are just useless to say the least

Using Telkom LTE pre paid SIM cards with data. Gave notice to cancel on 04/05/2026 which is the first business day of the month that I won't be using the service from June onwards via logging a ticket on their app. The persons who respond to the ticket are just following a script and copy past their responses. I've asked to escalate the matter to higher up to no avail. Now my data got cut, which rolled over from May, which I've paid for on 01/05/2026 via debit order which is unfair practice. How can you disconnect something which still has data which was paid for?? This must be *******???????!!!!!! And now i get a respond that I'm going to get billed for July as well?? Like *** are you guys doing??? Sort this out NOW!! Before i go to media and onbudsman