Well, that kinda sucks, like you said there are images from other groups that don't have this issue, something is different in them, they should be able to fix it...
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I'm kinda obsessed with these things and I plan to flash HDMU again! later for the sake of testing...
Did you use/downloaded satellites settings (channels,freq) that came with image or scanned sats manually?
Someone said to me to just configure tuners and do not manual search, also to not import previous settings