1) Click [My Page] - [Security Center]] - [Level.3 Mobile Verification] - [Verify] at the top of the homepage.
2) Select your nationality. (Korean or Foreigner)
Domestic people click on the “Korean” tab and Select the carrier you are currently using.
2-1) Proceed with User Authentication using user’s mobile phone number.
3) Foreigner)_ Click on “Foreigner” section.
3-1) After selecting the country code, enter user’s mobile phone number - Click [Send SMS].
3-2) Enter 6-digit number sent to user’s mobile phone and click [OK].