Why does the white screen of the POCO F7 Pro have vertical stripes at low brightness?

The POCO F7 Pro undergoes strict professional inspections before leaving the factory, so you can use it with confidence. The OLED screen uses DC dimming. There will be uneven brightness and vertical stripes in scenes with low brightness in the DC range. This is an inherent characteristic of the OLED screen and is a normal phenomenon.
If you have special requirements for the current screen color temperature, you can try to adjust the settings as follows:
1. Go to the [Settings] APP on your phone;
2. Find and tap [Display & brightness];
3. Go to [Color scheme];
4. Choose [Vivid]. And then adjust the position of the point in the color temperature dial, you can change the preference for the screen display effect. We sincerely appreciate your understanding and thank you for your continued use.