My camera lens made a loud screeching sound when I was dusting it

Hello, SaintLooneyupthecreme.

Thank you for reaching out to Apple Support Communities.

From what I've read your camera is making a screeching noise after cleaning it. This isn't expected behavior from the camera and I would suggest bringing the iPhone into a nearby Apple Retail Store or Apple Authorized Service Provider for further inspection. You can use this link to find a nearby service center: Find Locations Just in case, this article has some good information when it comes to cleaning your Apple product: How to clean your Apple products

Cheers!