Sorry for hijacking your thread mate. We are on the same boat.
I often get the same problem. It's so annoying I switch the bloody thing off as it becomes unwatchable and annoying. After doing several things I have come to a conclusion it might be the cabling to blame. I have Broadband line coming in from the wall and one way splitter was fitted ( 5 - 1000 MHz). I bought coaxial cable (turned out to be CCTV cable) which I installed with two F connector anyway.
Philex Coaxial F Plug Pack of 10 - Screwfix.com, Where the Trade Buys.
Until December when the firmware was upgraded it was working all fine. After the update I get picture distortion / pix elation. Recently I bought few meters of the proper cable, connected it and still the same problem. I have also bought an AllforOne signal booster, which did not help much. My signal strength and quality is 79 / 80 %.
Did all the deep scan, factory reset, user installation, fast install.
Any suggestions would be welcome.
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