My iphone is still working but the screen is black

- My iphone is working but the screen is black
- My iphone still works but the screen is black
- My iphone is on but the screen is black
- My iphone 14 is working but screen is black
- My iphone is ringing but the screen is black
- My iphone is on but the screen is black what do i do
- My iphone is vibrating but the screen is black
- Iphone black screen but still on