Phone is on but screen won’t light up

(1) Try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue:

• Press and quickly release Volume UP button
• Press and quickly release Volume DOWN button
• Press and Hold the SIDE button until an Apple logo appears and then release the Side button (Can take up to 20 seconds. (DO NOT release Side Button when invited to Slide Power OFF). 

(2)  If the above does not work then - Follow the instructions in this article by Apple ➔ If your iPhone is Non-Responsive or Frozen and see if that helps.

(3)  If that does not help your phone might need service ➔ Contact Apple for support and service - Apple Support

Axel F.

Minpin1985 Said:

"Phone is on but screen won’t light up: iPhone 12xr pro Phone is on but screen won’t light up.. started going green then dark green now is black. It’s on cause I can hear notifications. What to do?"

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Troubleshooting a Black iPhone Screen:

I'd say the iPhone is stuck in a boot loop.  So, refer to my user tip: How to Fix an iPhone in a Boot Loop - User Tip

No success?...

Try the Tips at these Apple Support Links:

• If the Screen isn’t Working on your iPhone or iPad - Apple Support



• If your iPhone is Stuck on the Apple Logo - Apple Support

• If your iPhone Won't Turn On or is Frozen - Apple Support

• If you Need More Help - iPhone - Apple Support

Provide Apple Feedback:

Do your Part: Report this issue to Apple. It occurred after an update installation --something they should be made aware of. Apple won't get back to you directly, but the more feedback they receive on this, the more they will know what is occurring, and what fixes to include in updates to come.

1. Go Here: Feedback - iPhone - Apple
2. Select: "Bug Report" for the "Feedback Type"
3. Comment: when this all began. Include the URL of this thread.
4. Proceed from there as necessa