Thanks for reaching out to us !!
Kindly share your machine OS details from which you are trying to do file transfer.
If you are using Windows, please use WinSCP application for file transfer.
As we checked there is no additional methods other than scp to transfer files between DevCloud and local machine.
We are in the process of implementing/installing JupyterLab, which will provide the feature to connect external : Google Drive, which makes it easy to drag and drop files in and out of DevCloud.
Hope we answered for your query !! Shall we close this thread ?