Due to a recent Google policy change, support for OS 4.1 or later has been applied.

☆ The mobile phone authentication service, UbiKey, is charged a monthly fee of 990 won (VAT included) upon download and subscription. SKT and KT budget phone users can use the service with a Google subscription fee of 1,100 won (VAT included).

☆ With the single mobile phone authentication service (UbiKey_UBIKey) app, customers of all three mobile carriers, SKT, KT, and LG U+, can access the certificates stored in the app.

☆ If a pop-up message regarding service interruption or ADB debugging appears, please update to the new app.

☆★ Save certificates stored on your smartphone to the app.

☆★ Two-step authentication (2FA) OTP function for logging into various online services (finance, portals, games, etc.)

You can save certificates stored on your smartphone (in the NPKI folder) to the mobile certificate service app, allowing you to securely digitally sign documents for logins, financial transactions, identity verification, and other purposes.

@ [Mobile Phone Icon] for Certificate Storage/PC Transfer within the App

First, save the issued certificate within the mobile certificate service app. Then, when a certificate is required for web logins, financial transactions, identity verification, or e-commerce payments on a PC, you can transfer the certificate stored on your smartphone to your PC via the [Mobile Phone Icon] in the certificate window to perform digital signatures.
You can conveniently and safely use the service on a wide range of partner sites, including major banks, credit card companies, insurance companies, PGs, and public institutions.
It also integrates with smartphone banking apps, allowing you to use it with some banks. (Available banks: Shinhan Bank, SC First Bank, Busan Bank, Kyongnam Bank, Jeonbuk Bank, Daegu Bank, K Bank)

※ How to Use

- Saving a Certificate on Your Smartphone

1. Download the mobile certificate service and launch the application. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Select the certificate saved on your PC hard drive, enter your smartphone number, and enter the certificate password. 4. Enter the 4-digit security number generated on your smartphone in the PC window. 5. The certificate is now saved on your smartphone.

- Using a Smartphone Certificate

1. Launch the mobile certificate service application on your smartphone. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Enter the 4-digit security number generated on your smartphone in the PC window. 4. The certificate from your smartphone to your PC is now transferred. 5. Enter the certificate password in the PC window.

@ Two-Step Authentication (2FA) OTP Function

The OTP function securely and easily generates a 6-digit one-time password (OTP) for two-step authentication (2FA) using a mobile app when logging into various online services (such as social media, portals, and games). Strengthen your account security. To use OTP, you can register your service account's registration key in the app.

※ How to Use

1. Initial OTP Registration: After configuring OTP use on the website or service you wish to use, complete the registration process in the UBIKey app (e.g., scanning a QR code, uploading an image, entering a registration key, etc.).
2. OTP Generation Confirmation: Launch the UBIKey app and check the 6-digit OTP number for your registered account (automatically updated periodically).
3. OTP Entry: Enter the 6-digit OTP number displayed on the login/authentication screen of the relevant website or service within the time limit to complete authentication.

> UBIKey, a mobile phone authentication service that combines two functions in a single app, is charged at the same rate as existing services.

> Certificates stored in your smartphone's memory (NPKI folder) can also be saved in the app without connecting to a PC.

> Cancellation Inquiries: Infovine Customer Center 02-718-1860 (Closed on public holidays 09:00-12:00, 13:00-18:00) or 114 from your mobile phone.
* You can cancel your service on the Ubikey website (www.ubikey.co.kr).
* Deleting the app alone will not cancel your service. To cancel, please follow the cancellation instructions above.

> Tablets and some devices purchased overseas may not be able to use the service.

> Corporate certificates are not available.

> For detailed service usage instructions, please refer to the [Service Usage] menu.

> Required Access Permissions
The following information explains the access permissions used by the app.

1) Mobile Phone Number: We collect your mobile phone number to confirm your service subscription, verify your identity using your mobile phone information (including your phone number), store and use certificates within the app, check your mobile carrier and phone number status, and retrieve phone number information required for customer service calls. 2) Storage: To store the certificate within the app.
3) Notifications: Required to receive notifications when using the UBIKey service on a PC.

> Optional Access Permissions
1) Camera: Camera permission is required to recognize ID cards or QR codes.