Why does color or brightness change when the refresh rate switches in Dark mode on the Xiaomi 15T Pro?

Thank you for your support of Xiaomi. On the Xiaomi 15T Pro, when the refresh rate switches between 120 Hz and 60 Hz, slight changes in color or brightness appear, particularly at low grayscale levels in Dark mode. This is caused by the Smart FPS automatically adjusting the frame rate to balance performance and power consumption.
This behavior is a normal characteristic of OLED screens and does not affect overall display quality or usability. Each panel undergoes strict inspection and calibration to ensure consistent performance across refresh rates and viewing conditions.
To ensure an optimal experience, please refer to the following information:
  1. Go to [Settings] >> [Display & brightness] >> [Refresh rate] >> Select [60 Hz] in [Custom] mode for consistent performance.
  2. Exit Dark mode to minimize differences in brightness and color during refresh rate changes.
These adjustments help maintain consistent color perception and a comfortable viewing experience.

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