Worst support center

On Sunday 10 November 2019 I bought MRP mobile airtime. In store the assistant tried to help me because it keeps saying "invalid pin code". The assistant manager phoned MRP support and they said she has to mail a photo of the voucher with my details to them. It will take 48 hours to show. I saw when she mailed it to them. On Tuesday afternoon still nothing. After I phoned Customer service they said the did not receive the mail. I mailed it several times and they kept saying they did not receive the mail. This morning, Wednesday I got a mail (suddenly they received the mail!) to mail a photo of the voucher, although it was attached to all the mails that I've send! I've send the photo again. A lady from customer care phoned me and ask again all the details. I gave it again to her. It is now Wednesday 12:00, 72 hours after I bought the airtime. Still no joy! MRP sport where I bought the airtime refuses to give back my money. But the worst of all, I have to go without airtime, an old lady, staying on my own. If something happens to me I can't even phone for help. This is the worst experience I had in my live from a support centre.