This is a customized benefit curation app service that provides various benefits to families using KT combined products. You can share data and membership points with family members, and acquire additional data through missions. You can also find a calendar to share your family's schedule and various affiliate discount coupons. [KT Family Box access rights items and reasons for need] 1. Required access rights Phone (required) Access to log in and use phone number when making 1:1 inquiries 2.