LTE Wifi not working for a week in lock down. No support or communication from CELL C

Our LTE wifi router has not been working since monday, after spending 2 hours on the phone with multi different technicians and support agents i was informed that they would have to send some one out to come and have a look. i was told this would take between 24 and 48 hours, which in my opinion is way too long as we need wifi for school and work. 48 hours went by and still nothing every time i phone they indicate that some one will get back to me urgently. i have never had problems with CELL C how ever this time is critical as the whole family has responsibilities to carry out remotely and so far we have been sitting ducks for a week. Cell C please assist in getting this resolved