This article provides instructions on how to disable Night mode on an iPhone camera. You can turn the mode off temporarily for individual photos and permanently for all images until you turn it back on.
How to Turn Night Mode On or Off on Your iPhone!
By default, the iPhone camera has a Night mode that’s automatically turned on. That’s great until it’s not. So if you want to temporarily or permanently disable Night mode on your iPhone camera, starting with iOS 15, you can do so.
Before iOS 15, you could temporarily disable Night Mode on your iPhone’s camera, but it would automatically reset every time you opened your camera app. However, the iOS 15 release includes the ability to disable Night Mode completely until you decide to turn it back on.
Here's how to permanently disable Night Mode on your iPhone camera.