How to open the first dual terminal of OPPO watch?

Prerequisites:

The "health" App has been installed on the mobile phone, and the pairing connection with the watch has been completed to ensure that the mobile phone can surf the Internet normally or the watch can connect to Wi-Fi.

The "Heduo" App has been installed on the mobile phone and has been logged in with the main card number. VoLTE service of China Mobile has been activated on the main card (user activation mode is not activated: send KTVOLTE to 10086).

1. open the "health" App > click eSIM management > click "No.1 dual terminal" > click "open with multi-number App" > click "go to open" to jump to and multi-number app.

2. click watch above > click my bound watch > click next > click OPPO watch.

3. click next > click continue > slide to the bottom to check the agreement > click agree > enter the card opening information, and click next.

4. select the identity address information and click "ok" > click "confirm processing" after the real name verification is successful. 5. Wait for the service to be opened. After the service is successfully opened, you will receive a short message from China Mobile. Then download the eSIM card data automatically. At this point, the watch terminal displays "downloading eSIM card data". After opening the page, the watch terminal also downloads eSIM data, and the watch terminal displays "Mobile network enabled successfully". (OPPO Watch displays "Mobile network enabled successfully", and OPPO Watch 2 displays "eSIM service enabled successfully, please select the enabling method". You can also click ESIM management in the mobile phone health application and follow the corresponding prompts to enable it.