Thx apx to spot out the problem. renaming firmware as you said enable to load it out:
[email protected]:~$ dmesg | grep QBOXS2 [ 19.219413] dvb-usb: found a 'TBS QBOXS2 DVBS2 USB2.0' in cold state, will try to load a firmware [ 19.741042] dvb-usb: found a 'TBS QBOXS2 DVBS2 USB2.0' in warm state. [ 19.74...