Razer Blade 15 2020 Base Model screen issues

Hi all I've had a problem with my razer blade 15 for a few months I've sent it off to repair but its come back and the issue is still the same Basically colour flickerings where the screen is unusuable for anywhere up to a few minutes. it's bloody annoying I've tried everything from software, reinstalling Windows, drivers issues and so fourth and even more so i got it repaired and they couldn't even identify the issue is this a common issue? does anyone have a suggestion? I would get it sent off for an RMA but I've heard people say they've come back and the issue hasn't gone. I'd rather get a unit replacement but they are not offering that. It's pretty bad that a £1500 laptop is having reliability issues like this. Here's a link to the image