Never take a rain router out they are the worst service provider ever

I am having a serious problem with rain internet service I did an upgrade of my router to the rain 101 on the 23 of January and put in a cancelation at the same time for the previous service to be cancelled everything was cancelled and old router was picked up on the 3rd February 2026 my new router was delivered on the 27 January and activated now I am told I am in areas with internet and owe R1180 which is not correct my internet is now of I contacted them this morning and was told some one from billing would give me a call a no one contacted me I have phoned them 2 this afternoon and still no contact from the billing department they are unable to put me through to the billing department instead I was told to make arrangements with them on the outstanding amount owing which I don't owe so I can get access to internet again till billing department can contact me and sort the problem how can I make arrangements for something I don't owe!!!! This is the worst customer service ever