Hi Matt, 1.Yes, they don't want through JTAG [quote userid="621965" url="~/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1457957/tms320f280039-q1-is-any-method-to-update-customer-s-bootloader-not-using-programmer/5595194#5595194"]do you mean JTAG connection? [/quote] 2. I have read this application note. And I need to add some background. Customer has already sent this board and code to end market. And they now found their bootloader has bug so they need to update this. But according to this note. I think it need to design two FLASH BANK to store two version code that they can update another version code. But when they design their code, they don't do that. Now they want to know if our ROMBOOT or other solution can update their bootloader and application. BRs Shuqing
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