Hello. This is Klaytn API service team. 

Please refer to the following information about how to change the previous device that I used to sign

up for the 2-step verification to the new one.

1. Go to KAS Console login page and login into KAS.

2. Click My Page menu on the left side of the Console page, then click Account Security.

3. Click Clear in 2 - step verification registration.

4. Please review the pop-up that appeared on the screen and click Clear.

5. Enter the password in the box and enter a code in the authentication app. Then click Confirm button below.

6. After clearing the 2-step verification registration, you can register another 2-step verification again

with a new device you want. Please refer to the 2-step registration guideline. 

For any additional questions, you may select Inquiry Registration above the KAS Help Center page where you can register your inquiry. 

Thank you for your interest.

Klaytn API Service team.