Oh, sorry - wrong! When I bought this Audya 4, the "Styles & sound upgrade 2011" were already installed, so yes when changing the firmware they are now protected ...

... or does anyone know the solution? Unfortunately, I do not have the original Pendrive.

So it's probably a known issue and I lost these styles frown
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Nord Stage 2, Ketron SD90, Audya 4+5, SD1000, Roland E-A7, SC8820, Korg microarranger, Alesis Vortex, TC Helicon VL2, Soundcraft Ui12, JBL EON ONE (2), RCF312A