Iphone 12 working but screen is black

- Iphone 12 vibrates but screen is black
- Iphone 12 phone working but screen is black
- Iphone 12 rings but screen is black
- Iphone 12 vibrating but screen is black
- Iphone 12 is on but screen is black
- Iphone 12 turns on but screen is black
- Iphone 12 fully charged but screen is black
- Iphone 12 mini screen not working
- Iphone black screen but still on
- Iphone display not working but phone is on