MTN ABSOLUTE TRASH

Mtn is just trash can't wait to terminate both contracts. So I got a home WiFi from MTN online I was advised to pay in advance as mtn they bill in advance and this was in October 1st week, so I made payment of R816.00 on the 4th of October then the WiFi was delivered. To my surprise come the 15th of November they sent a debit order of R1245.00 on My account to cover for October, November and December which is crazy cause I paid already in October prior to the WiFi being delivered. Okay I went on to make eft payment of R429.00 on the 23rd of November for December as the debit order was unsuccessful. Meaning I have paid R1245.00 to MTN and to this day they have suspended my account. Right now I'm getting reminders that I'm owing R383.00 for October as it was pro rated data that I got. So tell me what was the R816.00 payment for, to top it all off I went to Westgate to get help and I was told on my face that they use the same system with mtn online so they don't understand why they doing this and refused to help and told me to call mtn online so they can sort it out like they themselves don't work for mtn absolute TRASH that company with it's staff members that sit on their phones the whole day and refuse to assist. I guess that's what mtn pays them for sitting on the a** the whole day.