How can I cancel internet if the main user left the appartment?

My cousin left our appartment earlier this summer without changing the (Fizz) Internet setting. He only changed the credit card to mine, but I cant not access to the Internet setting... So how can I cancel the plan without my cousin? (without calling my Credit Card compagny and canceling the mounthly payment)


  • So_AR
    So_AR Posts: 776
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