Annual automatic payment cancellation request

Hello. I am using 2 of your products in Korea. I have been using your plan for many years. However, the door bell is broken and has not been used for 3 months. There are no plans to use it for the foreseeable future. However, today I found out that the amount has been automatically paid for with the annual plan. So I ask for the following 1. So I want to cancel my annual plan 2. I want a refund for the annual plan amount paid I request expedited processing. thank you