It wont, ive had replacement 13 pro max already & it did the same thing. We think its in the icloud back up, one of the social media apps has let something in to corrupt the back up.
when i did a fresh itunes/finder install of IOS it come good with no flickering
but im not gonna put in 200gb of data, manually back on to my phone.
Thats why i pay apple $15 a month for my icloud account. For security which obviously isnt fool proof.
Im on my 4th apple expert advisor so hopefully this chap keeps on the engineers back in california to solve this issue. They are taking logs and video screen files from me every week