Why does the screen of the POCO X7 Pro cast color in the Reading mode?

Thank you for your support of Xiaomi products. All mobile phones undergo strict professional inspection before leaving the factory, so you can use them with confidence. In order to make your screen viewing more eye-friendly, Xiaomi has provided a variety of eye protection modes for you to choose from. When the Reading mode is turned on, it is normal for color temperature to change in the industry.
To improve the viewing experience in Reading mode, you can try to adjust the following settings:
1. Go to the [Settings] APP on your phone;
2. Tap [Display & brightness];
3. Tap [Reading mode];
4. Turn on [Reading mode] and choose [Cycle] or [Classic] to change the screen effect preference.