Webafrica's poor customer service

We have upgraded our Wifi package since April 2024. Webafrica deducted the R798.99 from my account on 4 April 2024, 4 May 2024 and 5 June 2024. I have contacted their WhatsApp number since April 2024 for the invoice to reflect at the right amount of R798.99. The last invoice and statement that was loaded on the Customer Zone was for April 2024. If you look at the screen the statement amount reflects R798.99. However, when you download the invoice, it reflects an amount of R399 and it is dated 31 March 2024. I have contacted them everyday since 21 May 2024. I have spoken to the following agents Sisanda N, Jameson Nathan, Nthabiseng N, Jeandre De Wee, Nobuntu Madoli, Lindokuhle Nongwe, Refilwe L, Catherine M, Duduzile D (***), Sikhona (***), Sthembiso M (***), Refilwe Skosana (the chat was just stopped), Liezel D (***), Nozibele Xatasi (the chat was just stopped) and Noluthando Mazibuko (this chat was just stopped). Unfortunately, the WhatsApp number is the only way you can contact Webafrica. I was promised that the Customer Zone will be updated and that the invoices will be emailed to me. I am disappointed because I still have not received the correct invoices and the Customer Zone has not been updated.