How to get refund for crappy service

50% packets loss on my router , yeah I constantly check if there’s always something with packet loss but coz doesn’t send out a “email” saying hey theirs packet loss , we got team checking in the lines or something but they cry bc someone is being honest and frustrated with the issue of cox and the WiFi , so please , I need to get refunded for this month , give me the number I don’t use email ,