- Check the brightness settings on your phone.
- Check the connected devices (e.g. power supply, display adapter) to ensure the phone is receiving the correct voltage.
- Check if any display options have been disabled or set to maximum.
- Uninstall any applications that have been recently installed to check if the problem is caused by the application.
- Factory reset your phone and update the latest system to check if that solves the brightness issue.
- Contact customer support if there are still problems after trying all the steps above.
