Extremely poor back up service

I moved my cellphone contract to Telkom in June19, free me unlimited contact. My first pro rata invoice is due August 5 . On Wednesday 10 July my account was suspended due to credit limit, as the pro rata invoice for 2 months exceeds the limit. 1 Week later today, 2 visits to the Telkom store , and numerous calls to the care centre, I am still stuck without a functional phone. I use this phone for business and travel extensively to outlying areas. I can’t afford not to have a phone. Extremely disappointing and frustrating as this affects my work and safety, and Telkom just doesn’t care