Loss of income in covid19

I am very disappointed with telkom I thought is the best network ever guest what no.my problem starter this last due covid19 I lost 50% of my salary .when I sees things that I wouldn't make payment as our agreement first thing I did I've try to call them to explain my situation and the send me the reference number and again when the shop open on level 4 I want the with my letter from work showing that I lost income the lady scan the letter to accountant and she said she logged the call and she write the reference at the back of my documents and also telkom called me I explain everything that this month I don't have anything that it why I went all out to submit my paper and also talking to the lady I received reference it come to my suprice when my phone is not working and the send me sms that I need to call telkom when am calling using that sim card dololo not working.How am I going to do because that sim card it's my life everything from bank ,sms,emails how am I going to do.And why telkom send me references that case it's being resolved but the stop my SIM card.The service I've got from telkom it's suckes.