Thank you for your support of Xiaomi products. Each tablet undergoes strict professional inspection before leaving the factory, so you can use them with confidence. You can modify the screen color temperature through the color temperature dial to reduce the degree of color cast. please go to the [Settings] APP >> [Display & brightness] >> [Color scheme] >> adjust the color temperature dial as you prefer.
If you feel that the screen has a color cast in the reading mode, you can go to the [Settings] APP >> [Display & brightness] >> [Reading Mode] >> select the reading mode you like. If you feel like smearing and redness in primary color mode, you can go to the [Settings] APP >> [Display & brightness] >> [Color scheme] to select the color style you prefer.