Gigablue Quad DVB-T2 tuners the signal is bad when updating openvix

[tomzza]

Hello, l have GigaBlue HD Quad with internal dvb-t2 tuner. Picture go pixels if i Update software I try version 5.2.005 and 5.1.032-5.1.022 nothing work dvbt2 picture pixels. 5.1.021 last version where tunes work properly. i try my secend Gigablue same. something has changed in the latest software dvbt2 driver maybe?
I live Finland (scandinavia)

Working versio
OE-järjestelmä: OE-Alliance 4.1
Ohjelmisto: OpenViX 5.1.021 (2018-03-20)
Kernel / Ajurit: 4.8.3 / 20170726
Viritin A BCM7346 DVB-S2 NIM (internal) (DVB-S2)
Viritin B BCM7346 DVB-S2 NIM (internal) (DVB-S2)
Viritin C GIGA DVB-T2/C NIM (TT2L10) (DVB-T2)2wp59h4.jpg