Once I updated to Oreo on my Note 8, why do I have abnormal tint colors from the handset display?
Install and/or open the Google Play Books application.
Tap on any previously downloaded ebook or select Shop and download any FREE SAMPLE shown under Start a Free Preview.
Once ebook launches, tap Aa in the upper right-hand portion of the screen
Click the settings wheel icon in the upper right
Tap the word SETTINGS next to 'Night Light'
Turn Night Light to Off