Prashant Thanks for response. I have tried to run the SBL DFU command and then send the application image as you recommended. Before the SBL DFU command, the DFU can be found. The logs for SBL DFU and load image are as below. It looked the loadings are successful. But when run dfu-uitl --list again, the DFU disappeared. The Soc cannot be talked through USB DFU after the loadings. Can you please help to identify the bug if you can reproduce above? Thanks. Thanks & Best regards Hao (Wang hao)
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