Failed upgrade
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Does anyone know how to troubleshoot a firmware upgrade? I have a Duet Ethernet. It fails updating every time. It stops responding to web and serial after updating. If I turn it off and back on it reverts to the old firmware. It is currently on 1.19 with the newest web server.
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Bossa flash to the rescue! In case anyone else has issues updating.
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Check that you have the up to date version of iap4e.bin in /sys on the SD card.