I need the app PhotoVault on my iPhone 11

Probably not going to happen if you can't power on the phone. Contact the app developer to see if they have any suggestions.

How to contact an app developer - Apple Support

Keith306 Said:

"I need the app PhotoVault on my iPhone 11: The phone powers on i just can’t change screen”

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Troubleshooting a Black iPhone Screen:

I'd say the iPhone is stuck in a boot loop. This can typically occur when you update something, and it got stuck while in the process.  So, refer to my user tip: How to Fix an iPhone in a Boot Loop - User Tip

For Reference…

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

Keith306 Said:

"I need the app PhotoVault on my iPhone 11: I want the pictures of photo vault in my dead iPhone 11"

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Enable Photos in iCloud:

On your other devices, enable Photos in iCloud, seeing if they pop up.