AI, BAD, BAD, BAD

So i topped up with 50 gig on 27 May. Today 01 June i was told my 50 gig is depleted and only 2 gig was carried over to the new month because of my night surfer data that went into a minus. Please explain as I am under the impression my account is a "Capped" account (fixed LTE). No furter investigation after numerous whatsapps, phoned 4 times today and was put on hold everytime, Just a think Supersonic is finally on the right path, the same 'ol nonsense happens. "Zanelle" the Bot so nicely say you must phone with your issue, ma niemand tel ***ken op nie.