MTN Claims for a broken Screen PATHETIC

I cannot get my 2nd devices screen fixed because apparently I am still paying insurance on a devise I used 6 years ago!! One of my devises dropped and fell face down, now I’m trying to have it repaired and it seems I have a difficult time with MTN. Every 2 years I upgrade to 2x new devises and every year I am asked if I would like insurance and every year I say yes. The charges appear on my Invoice and for YEARS AFETR YEAR I pay the Insurance. Now I hear that I am paying insurance YES BUT For a device I DON’T EVEN USE ANY MORE??? How is it possible??? This means MTN has been dishonest in their dealings with me. I have NEVER skipped a Payment to either MTN or to MTN insurance. I have been a customer for MANY MANY Years - since Cell phones came out I have been a MTN Customer – please see my number – ***. Should I perhaps rather move to another company?