Decided to try again (3rd phone) and this time got a 17PM with Samsung G9P screen. Looks perfect to me, will need to put it through daily activities and nighttime where unevenness always shows. But just eyeballing it in my office with ceiling light off the uniformity looks pretty great with no disturbing off axis shift. No orange splotches etc., with night shift and TT on, but I'll have to look again tonight.
Here are my two 17PM, LG GH3 on left and Samsung G9P on right. I am not exactly holding the camera at unusual angles here, the green shift on the LG is very apparent at a slight angle that I regularly use on my desk to check emails, etc., as in the 2nd photo. Difference between panels is night and day in this regard, but when looking at them head-on they are both really great panels.
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