The brightness of the phone screen will change according to the ambient brightness. In a strong light environment, the system will adjust the black to gray to improve the readability of the screen content, which is not a problem for the phone.
Solutions to Fix the Gray Screen Issue In Sunlight
1. Adjust Screen Brightness Manually:
Open the Settings app on your phone.
Go to Display or Brightness.
Use the slider to adjust the screen brightness to a comfortable level.
2. Disable Auto-Brightness:
In the Display or Brightness settings, look for the Auto-Brightness option.
Toggle it off to prevent the phone from automatically adjusting the brightness.
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