Help Center> IoT Device Access> FAQs> Device Integration> Why Did an NB-IoT Device Keep Receiving a Same Control Command from the IoT Platform?
Why Did an NB-IoT Device Keep Receiving a Same Control Command from the IoT Platform?
After receiving a command delivered by the platform, the device must return an ACK response to the platform. Otherwise, the platform considers that the command has failed to be delivered, and delivers the command repeatedly until it receives the ACK response or the command expires.
Parent topic: Device Integration
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