What can i do if i can not sign in my account?

What can i do if i can not sign in my account?

Scenario 1: Account name or password is incorrect.

Solution: Check whether the account id/email address/password you have entered is correct. If you have forgot password, please recover the password and try login again.

Scenario 2: Verification is required because an unusual activity is detected.

Solution: Please sign in from your PC (computer) and click “REGAIN ACCESS” as below to verify your cellphone number. After successful verification, your account will be available again.

Scenario 3: SNS(Social Network System) account login problem, including Google, Facebook, Twitter, Pinterest, Instagram, VK, OK.

Solution: Please sign in directly with your third party account and password