Does your screen go dark during use? Don't worry, it's often due to your phone's automatic brightness setting. Find out how to adjust this feature to suit your device.
If you use an Apple
- Open Settings
- Scroll down to Accessibility and select Accessibility
- Choose Display and text size
- Activate or deactivate automatic brightness by scrolling to the bottom and use the button to activate or deactivate automatic brightness.
If you are using an Android device
- Open Settings
- Go to Display or Screen depending on your device
- Select Brightness or Adaptive Brightness according to your device
- Activate or deactivate the option using the button to activate automatic brightness
💡 Adopt good practices :
- Choose good lighting with no direct light on your face or the camera
- Stabilize your device by placing it on a stable surface
- Adjust the distance by positioning yourself between 35 and 45 cm from the screen, keeping this distance throughout the test.
- Cover the untested eye with absorbent cotton or a small piece of paper.
