yeah, this was already discussen in the forum in another topic.
but the writing quality of QS0C is worse than QS0B, so most people stick with that.
hopefully the next firmware version will have the good wiriting quality of QS0B and ALSO have the subchannel problem fixed.
One Ring to rule them all, One Ring to find them,
One Ring to bring them all and in the darkness bind them
In the land of Mordor, where the Shadows lie
M.C. Escher - Reptilien