Delaying actually makes it worse. If that proves to be the solution I'll wait for confirmation and then I'm going to update the docs. Maybe I did not understand Lucas to the full extent; I thought that just a minimum delay was relevant. He found for his setup a delay of 4 and for the setup of a fri...

Did you try this?

http://www.option.com/support/login.shtml

A while ago, all downloads were directly accessible; well, not anymore.

Just landed.

Please excuse the delayed answers to posts; where I went there was no Internet at all , and using message drumming can achieve only very low bitrates

... but after calling usb_modeswitch nothing really changes The "Option" devices that I know do always change the IDs cleanly. But your device is one of those which might need a delay of 3-4 seconds before the run of USB_ModeSwitch. Should work with a manual call though (I can't confirm t...

The roof is completed so the moment has come to move in ... :arrow: Welcome to the new place for everyone interested in the recently uncovered realms of switchable USB devices! Please mind your head as there is still some construction going on. Your humble host just tried the cold water of forum adm...