Change Log for OP-1 OS 11701 No reset should be needed to install this OS. But if you have old sampler patches with the same name they need to be manually removed via disk mode one by one. * Switching instrument while receiving external MIDI could sometimes trigger an error. Fixed. * When switching between synth and drum with sequencers active in both modes an error would sometimes trigger. Fixed. * What-you-hear was not possible to record to tape. Fixed. * Solo was not kept if navigating away from the tape screen. Fixed. * Sliding of clips could sometimes make the audio go silent. Fixed. * Solo was disabled when the tape was in record. Fixed. * Snapshots saved within the same minute would get the same name. Fixed. * Snapshots could not be renamed. Fixed. * When sampling with the sequencer on Hold the OP-1 would crash. Fixed. * When recording in loop mode near the end of the tape an error could be triggered. Fixed. * OP-1 adjusts USB power usage to what is available from USB host. The OP-1 now works with iPad. * Improved USB dedicated charger detection. * Disk mode has been updated. * USB stability has been improved.