Waiting for Jesus to activate my SIM Card

This is so unfair and unprofessional, I switched from fibre to LTE because i recently moved. They came and picked up the fibre router and the wall mounted thingiii. Then the LTE router was delivered to me on the 5th of this month and I keep calling in they say the SIM needs to be activated. This is now is no 4 days and I’m sure I’ll be billed for something I never even made use off. Worse part is that I’m on the line holding continuously for no one to even answer or being sent pillar to post. So Mweb please kindly advise what should I now