This is a software issue !! It started for me around 10 days ago when I updated to UI 2.1 . I called the service center and they couldn't do much and all their resets and safemode and clearing cache solutions failed !!! If this wasn't a software issue how come I am able to get the colours back by using the app amoled saver !!! I'm regretting buying this note 9 . For sure my next buy is not going to be Samsung !!!
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