Poor Call Center and poor call centre service rude angents

On the 25TH of October 2019 morning between 5am – 8:00am, I noticed that MY Data was being depleted while I was not using my phone I phoned in logged a complained for the service provider to look into it. The call agent said he will refer the matter to the technicians as he cannot give me sight as to what happened and they will call me back to this day no one has contacted me, but what Vodacom did they just send me 500mg a day later that was it. On the 18th November 2019 morning between 5:30am I recharged with 100mg from thenceforth I was not using my phone when I reach out for my phone there was a message on my phone saying my data has ran out even though I was not on my phone during that time. I then phoned the vodacom call centre to enquire and follow up on the previous complained I logged last month. The call agent named Lesego ( who was rude and patronising to me and refused to state her name on the phone) said there’s nothing she can do and I asked to speak to the technician then as previously I was told they will contact me she said they don’t have technicians. Then I asked for the Team leader to assist, Tebogo, who just started the call by shouting at me and also said that she can’t help me with my complain as their system says I used the data, I asked her to pull my itemised billing that will show what I was doing on my phone at that particular time she said her system doesn’t allow her to do that. I asked her for feedback from the technicians and she read it out to me as follows “ vodacom technicians don’t assist prepaid customer with lose of data” the case was closed. I asked her why then vodacom has prepaid data service if they can’t assist when we experience problems like this. I asked her to email me the feedback she agreed and said she will call me back that was around 10 till 12 she never phoned nor emailed me. Around 12 I decided to recharge again with 100mg but within 10minutes the data was depleted again. I phoned the call centre again and spoke to Nqobile explained my complained again and she confirmed the odd situation and she advised me to view my itemised billing on their website instead. I asked for Tebogo the Team Leader and she said she doesn’t know her I asked if she can locate Tebogo on white pages then transfer me she said no, that is not possible, I asked for her team leader she transferred me to Simphiwe she was extremely rude to me and shouting talking over me every time I tried to explain myself to her, I asked her if she can transfer me to Tebogo or locate her as I was tired of explaining myself she said no, I must let her do her job. She said she will listen to the calls I made then call me back with her expertise on the matter as is her job that was around 1:30 till COB 18/11/2019 she never phoned me with that feedback. I keep calling vodacom for clarity on the matter no one is willing to help me.