IoT Platform allows devices to upload files over HTTP/2 channels to the Alibaba Cloud IoT Platform server for storage. After a file is uploaded, you can download and delete the file in the IoT Platform console.


  • The device is connected to IoT Platform.

    For more information about device SDK development, see Link Kit SDK documentation.

  • The HTTP/2 file upload function is compiled and configured on the device.


  1. Log on to the IoT Platform console.
  2. In the left-side navigation pane, choose Devices > Devices, and then click View next to the corresponding device.
  3. On the Device Details page, click the Manage Files tab.

    On the Manage Files tab page, you can view the files that were uploaded by the device through the HTTP/2 channel.

    Note The maximum file size that can be stored on the IoT Platform server for each Alibaba Cloud account is 1 GB. The maximum number of files that can be stored for each device is 1,000.
    You can perform the following operations on an uploaded file:
    Operation Description
    Download Download the file to your local device.
    Delete Delete the file.
    In addition to file management in the console, you can also query or delete files by calling the following cloud API operations: QueryDeviceFileList, QueryDeviceFile, and DeleteDeviceFile.