New firmware :DS0201_V2.2X

[nst]

@elbeem

scroll up a bit, ESP just answered that.
2.31 APP uses 2.21 dfu.

The filename in the zip archive is DSO201_APP_V2.21.dfu not DS0201_LIB_V2.21.dfu though. So do you install APP_V2.21 first followed by APP_V2.31 ?