Complaint

I have received my router contract on 2nd of July 2021 I called for my simcard to be activated and I was told it has been activated since the 2nd I'm calling mtn to tell that the simcard doesn't connect the network they keep telling me about 72 hours 24 hours to date the simcard doesn't have network I'm told to wait again what a poor service I'm still new but I'm already experiencing problems