If your iPhone shows a black, unresponsive screen, start by checking for physical damage or charging the device for at least 15 minutes. If that doesn’t help, force restart your iPhone or update its ...

Check if the Portrait Orientation Lock is on; it stops the iPhone screen from rotating. Open Control Center and tap the lock icon to turn off rotation lock if it's active. Some apps don't rotate; test ...

Accessibility Settings: Grayscale is often enabled as a feature for users with visual impairments. Focus or Bedtime Modes: These modes reduce distractions by dimming or simplifying the screen colours.