@knc1: Unfortunately, the file is at the real /, not the userstore root, so you can't check for its presence over USB

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@beebo: Correct me if I'm wrong, but I'm not quite sure silver18 got around to finishing a ready-to-use release that works on the PW2 and/or recent 5.4 FW. Check the last few pages if you're feeling adventurous enough.