통신비 미환급금 조회방법 및 환급 받는방법

How to inquire unreimbursed communication fee What is unreimbursed communication fee? First of all, some of you might be curious about the unreimbursed communication fee, so I will briefly explain. In the case of cancellation while using wired or wireless service, the usage fee until the point of cancellation will be settled. However, if there … Read more