P-NUCLEO-WB55 Stack Issue after upgrading RF stack by swd interface.

[Jlai.9]

Hi All:

I try to upgrade RF stack by usb/swd interface on p-nucleo-wb55, and the attach file contain the command I use.

I found that the stack get errors, after upgrading the stack by swd interface?

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Then, the usb interface can't access again...

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swd interface can access, but it get some error?

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What action I lost causing this find of problem?​

Thanks,

Jack​