Hi @juhyeonhong,   Are you currently experiencing issues with your service?   If so, we may need to check the status of your connection before replacing your equipment. Isolation is necessary in order for us to determine any underlying cause.   Let us have your Customer ID or username in order for us to assist you accordingly.   Here is a link on how to send a PM.  How do I private message (PM) in the community     Regards, Ahra_G     ... View more