1. Turn on the Bluetooth of the mobile phone and watch to keep the network smooth. Go to the Watch app built into iOS
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2. After pairing iPhone with Apple Watch, find and go to \"Cellular Mobile Network\" in \"My Watch\"
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3. Click \"Set Cellular Network\"
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4, Enter the online reception home page of Unicom, read the business description, click to apply for business to continue, enter the mobile phone number and service password of the machine, click to log in to continue
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5, complete the identity authentication, (main card) network address or bank card authentication in turn on the real name authentication page, click \"Account immediately\" after successful authentication, start business processing. If the authentication fails, perform operations as prompted.
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6. Take an alias for the device, click \"Confirm handling\
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7. Enter the processing page and wait patiently for the progress circle to complete
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8. If you encounter any problems, you can click the \"Try again\" button to try again. If repeated retry still cannot continue, you can exit the Watch app and re-enter the \"Cellular Mobile Network Menu\". If the problem persists after half an hour, your main card registration information may be incomplete or incorrect, please contact Unicom customer service to solve.
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9. Completion of the progress circle to 100%
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10. Exit the application page and see the words \"China Unicom\" in the \"My Watch\" cellular mobile network of the Watch app, which means that the eSIM electronic card download has been completed