How do i make my iphone 8 camera have better quality? It had good quality when i first got it, but now it doesn't

How do i make my iphone 8 camera have better quality? It had good quality when i first got it, but now it doesn't.

You might have smudges on the lens

Try cleaning the lens with a lens tissue.

Could be a matter of perception. The camera hasn't changed. Haven't seen others complaining about their iPhone 8 cameras.