There are several possible reasons why you may not receive the verification code SMS. Please check the following:

- Ensure the phone number was entered correctly and is not linked to a previous number.
- Check your device settings to confirm that SMS reception is not blocked.
- Verify whether you are subscribed to a carrier spam‑blocking service.
- Be aware that network or temporary issues may cause delays in receiving the code.
- Frequent verification attempts may also result in temporary delays.

If the issue is still not resolved after these checks, please submit a [1:1 Inquiry] to the Customer Center with detailed information.

■ How to submit an inquiry to the Customer Center
1.) Official website > Customer Support
2.) Select 1:1 Inquiry
3.) Select the identity verification category
4.) Submit the inquiry including the details of the problem

▶ Architect 1:1 Inquiry [Go]