Customer ServicePhone : +82-2-2639-6000Business Hours : 09:00 ~ 18:00 (Korea Standard Time)The following optional access rights are required for service delivery: you can still use basic services even if you do not allow this access.• Microphone authority: access for voice search• Storage authority: access for bar code search, product review registration, photo album usage when 1:1 consultation.• Call authority: access for sending push service (device verification check)• Contacts authority: access for sending push service (Google account information check)• Camera authority: access for the product scan in case of bar code searching.