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How to change notification settings (SMS, KakaoTalk notifications)

How to Block Promotional Notifications

If you do not want to receive promotional notifications sent by CLASS101, you can block them using the methods below.

Block Text Messages

To block promotional text messages sent by CLASS101, please call the following number.

Opt-out number: 080-810-0156

Block KakaoTalk Notification Messages

  • CLASS101 KakaoTalk chat room > Top right home icon click

  • Select CLASS101 from the added channels list and block channel

Block App Push Notifications

  • Launch CLASS101 app > My Page > Top right gear (settings icon)

  • Change information reception consent > Change 'Receive benefit notifications' setting to OFF

Block email notifications

Please set spam settings or reception blocking settings in your email account.

Setting path within CLASS101 service

You can configure settings at [Login > My Page (click profile in top right) > Click settings icon in top right > Notification Settings].

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스티븐Edited 2026-05-20 by 스티븐