Reply To: Invalid Firmware Image?

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#11027
marqs
Participant

Formatting beforehand does not make difference as Win32DiskImager overwrites partition table. “Invalid image” message on character LCD means that first 4 bytes read raw from a detected SD card do not match the firmware image. Usually that means that there’s been an error writing the image to card, but in theory it could be caused by a hardware issue too. I’d first test writing the image via another computer before considering other options (jtag update / return).