I was facing a red tint issue on my Note 8. It was more visible whenever I moved my phone back and forth. Looking on the Internet I found out that Galaxy Note 8 red tint issue is very common.
If you are also facing the same issue then you find solution in the below link.
Source: How to Fix Galaxy Note 8 Red Tint Issue - DeviceBio
If you are also facing the same issue then you find solution in the below link.
Source: How to Fix Galaxy Note 8 Red Tint Issue - DeviceBio