This issue is completly resolved for me after changing my room....I live in Dubai UAE my new apartment is around 10 miles away from my old apartment...i used to face this issue in my case No antialiasing whatsover across all my devices (PS4,Gaming PC,Mobile devices etc) ,shimmering,Low LOD.Distortion in shadows to name a few....now all my devices are running perfectly fine no issues observed till date.... resently bought PS5 and enjoying it....