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    How to solve the issue of "Update Canceled" when updating firmware on iOS devices?
    What is the "Network Diagnosis" function on the settings page?
    Is the App compatible with HarmonyOS? Which versions does it support?
    What should I do when a firmware upgrade fails?
    Does the app support voice control for visually impaired users?
    Why is my device not added to the "Energy Saving" feature?
    Can I use your App on iPad and Android tablets?
    Does your App support accessibility/accessibility/voiceover features?
    Where can I find the User Code?
    Why doesn't the "Smart" module appear after logging into the app on a tablet?

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