Very very angry and Annoid customer

I'm Zethu Cynthia Nkosi *** *** *** I was having a Contract with Vodacom their service is poor with my Contract ended on 10.11.2024 but now I'm receiving invoice that I need to pay R1800 I don't know about it they never told me about cancellation after the 01.11.2024 no one told me about it I'm so disappointed about there serving I won't be able to pay that amount of money I don't have the money I can pay is only R600 but extra I don't have so they decide to block my phones please assist me I don't have that much to pay I'm ****ed off with the service of Vodacom.