iPhone 15 pro back camera glitch

It sounds like the Image Stabilization mechanism is defective and needs replacement. Apple can diagnose the issue remotely if you call Apple Support or visit an Apple Retail Store. This is just a guess from your 1 sentence description.

Genius Bar Reservation and Apple Support Options - Apple

Keniaaaa Said:

"iPhone 15 pro back camera glitch: Hello , has anyone found a fix for the glitchy back camera on the iPhone 15 pro?"

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So, what's the glitch? Are you saying it appears all obscured?

Get your iPhone Serviced:

If you are having both of these issues, then get this iPhone serviced.

A. Take to an Appel store:

You'd setup a Genius Bar Appointment at your local Apple Store, taking it in for service. There, it will be diagnosed, and you'll be provided with your options.

Or...

B. Take this to an AASP:

See an AASP (Apple Authorized Service Provider) in your local area...

Contacting an AASP: 

1. Go Here: Find Locations - Apple Authorized Reseller
2. Click: Service & Support
3. Enter: your location information
4. See: if there is an AASP nearby
5. Contact: an AASP that shows up, and find out more about the services that they offer to fix the battery