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    Why can't the device be found when searching with the App after the module is powered on?
    Wi-Fi universal docking, after powering on, the Wi-Fi status obtained through the mcu_get_wifi_work_state interface is FF. What does FF mean? Why is FF obtained?
    What are the advantages of Sigmesh compared to Wi-Fi and Zigbee?
    How to prevent the module from entering the pairing state?
    Reason for the discontinuation of the EZ network configuration mode?
    How to connect the serial port of the 5V MCU to the serial port of the Wi-Fi module?
    Does the Zigbee universal docking scene firmware support private commands?
    What is the reason for RF production test failure in Zigbee universal firmware?
    Remote server returned error: upgrade required
    When the dual-mode module switches to Bluetooth control, what command will the module send to the MCU?

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