Naver 2-step authentication is an important feature for strengthening security, but if you lose your authentication device, you may have difficulty logging in. Fortunately, Naver provides a recovery method for this situation. Let’s take a step-by-step look at how to resolve the issue when you lose your authentication device.
What is Naver 2-step authentication?
Naver 2-step authentication is a feature that requires additional security authentication in addition to your ID and password. This prevents hacking or unauthorized login attempts. 네이버 2단계 인증 기기 분실
When you set up 2-step authentication, you must verify your identity using your registered smartphone or Naver certificate. However, if you lose your authentication device, you may not be able to log in. In this case, you can resolve the issue using the following methods.
How to resolve the issue when you lose your authentication device 윤과장의 소소한 일상 이야기
1. Use a backup authentication method
Naver recommends that you set up a backup authentication method when setting up 2-step authentication. If you have set up a backup authentication method in advance, you can use it to log in.
Use Naver certificate: If you have set up a Naver certificate, you can log in using the certificate on another device
Backup email or phone number authentication: If you have set up backup authentication, you can verify your identity using the registered email or phone number
If there is no backup authentication method, you should try the following method.
2. Disable 2-step authentication through identity verification
You can disable 2-step authentication by verifying your identity through Naver Customer Center.
[How to request 2-step authentication cancellation]
Access Naver Customer Center
Go to Naver Customer Center 2-step authentication cancellation page
Submit identity verification request
You may need to upload a copy of your ID (resident registration card, driver’s license) for identity verification
Enter your Naver ID, contactable email, and reason for losing the authentication device
Wait for approval and processing
Naver reviews the request and decides whether to disable 2-step authentication
Usually processed within 24-48 hours, and you can log in again after verification
3. Reissue Naver certificate on a new device
If you have registered a Naver certificate, you can reissue the certificate on a new device.
[How to issue a Naver certificate on a new device]
Install the Naver app and log in
Select “Restore certificate on a new device” in the Naver certificate menu
Authenticate your mobile phone number and reissue the certificate
You can use the certificate when logging in to Naver on a new device
For this method to work, you must have previously set up a Naver certificate.
4. Contact Naver Customer Service Center directly
If all of the above methods fail, the best way is to contact Naver Customer Service Center directly.
[How to contact Naver Customer Service Center]
Phone consultation: Contact Naver Customer Service Center (1588-3820)
Online inquiry: Select ‘Login problem’ on the Naver Customer Service Center page and register an inquiry
Fax submission: Submit identity verification documents by fax and request authentication deactivation
Once identity verification is completed through the customer service center, two-step authentication will be deactivated and you can log in again.
Prevention measures
It is important to take measures in advance in case of losing your authentication device.
✅ 2-step verification checklist
✔ Register backup authentication method (add a backup email or phone number)
✔ Set up Naver certificate (recoverable on a new device)
✔ Save 2-step authentication recovery code (store the recovery code provided during setup)
✔ Save Naver customer center contact information (quick response in case of emergency)
If you prepare these countermeasures, you can easily recover your account even if you lose your authentication device.
If you lose your Naver 2-step authentication device, don’t panic and try the methods above one by one. You can solve the problem by utilizing backup authentication or authenticating yourself through the customer center. In the future, it is important to prepare in advance and manage your account more safely.