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Based on notaweblog.php by joshua stein

[ ] Saturday, 30 January 2021 [ ]

tomu

Trying to upgrade the firmware on a tomu and was getting the following error from dfu-util:

DFU suffix version 100
Opening DFU capable USB device...
ID 1209:70b1
Run-time device DFU version 0101
Claiming USB DFU Interface...
Setting Alternate Setting #0 ...
dfu-util: Cannot set alternate interface

This was solved using the following flags:

dfu-util -D toboot-boosted.dfu -d 1209:70b1 -p 2-3

in particular the path flag -p 2-3.

tomudfu-util


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