PROPRIETARY AND CONFIDENTIAL
1.
Press the DFU-button and
hold it.
2.
Press the RESET-button
and hold it.
3.
Release the RESET-button.
4.
Release the DFU-button
Now the module is in DFU
mode and ready to be flashed.
Start Boot Mode (DFU Mode)
RESET
DFU
7
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