Ok found a workaround if you mis a firmware(error 2 ish), in my case install TBS (CrazyCat) DVB-S(2) & DVB-T(2) kernel and driver, reboot, now login to ssh and unmount bzfirmware: umount /lib/firmware check if lib/firmware dir is empty, now start winscp go to lib/firmware dir and upload the fw file, now reboot, and now firmware should load and all crazysat drivers are back incl. working fw.