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    Can it be pushed to third-party social software?
    What information can I get from Message Center? Which operations in the App will trigger App push notifications?
    What to do if the device cannot be reset or cannot enter pairing mode?
    If the doorbell video intercom device is abroad and the user is in China, can video intercom still work?
    Can both email and phone number be used to register an App account?
    How to determine if a device needs to be re-paired?
    Can videos recorded before enabling cloud video storage be viewed after activation?
    How do I change my App account(Bound mobile phone and Email) ?
    How long will it take for the App to display a sensor as offline after the sensor loses power or network connection?
    How do I configure scene linkage for a smart door lock?

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