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    What is the generic license?
    Why are there no contracts for some orders?
    How do I identify online ticket types based on the ticket number?
    Why do we charge programming fees for custom delivery?
    I want to purchase Tuya modules as prototypes, why is the number limited to more than 20?
    Do you provide development boards for testing?
    Is it possible to customize the hotspot name of the product?
    How to buy a product of Tuya?
    Can the no-code development solution control board be purchased from Tuya?
    When the user tries to add a Zigbee sub-device in the app, the prompt "The current device is not authorized and cannot be added" appears. How should this be handled?

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