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■ Main functions of dream authentication
-Certificate issuance: Securely issue a certificate non-face-to-face through mobile phone identification and account authentication.
- Using a certificate: You can easily log in and sign in with a 6-digit simple password or biometric authentication.
- Certificate validity period: The certificate can be used with confidence for 3 years and will notify you through push notification when the renewal period is reached.
- Certificate usage history: Check the history of using or issuing/deleting certificates at a glance through the certificate usage history.
- Settings: You can change the certificate password, change personal information, and set notifications.
- Screen lock setting: You can protect the certificate and personal information stored in the app from being exposed with the screen lock setting.

■ Service target
- You can issue your own certificate only from a mobile phone in your name over the age of 18.
- Customers using budget phones can also use the service."

□ Required access rights
- Phone access right: Obtain USIM's mobile phone number and use it to verify terminal ID when running a vaccine.

□ Optional access rights
- Permission to display on top of other apps: Used to run the app immediately when digitally signing.
※ You can use the service even if you do not agree to the optional access right.

■ Notes on use
- If you delete the Dream Authentication app, the certificate will be revoked, so if you reinstall it, you will need to re-issue the certificate.
- If personal information such as name or mobile phone number is changed, normal service may not be available. Please reissue the certificate in ‘Settings > Manage My Information’.
- If the certificate password is entered incorrectly 6 times, the certificate is deactivated for 30 seconds to 30 minutes. For safe use, please use the certificate after reissuing.
- The use of certificates may be restricted abroad. However, if you roam abroad after issuing a certificate in Korea, you can use the service, but roaming charges may apply."
□ Customer Center: 1668-2948 (9am to 6pm on weekdays)