Problem

[blocl]

My back camera is not working good is like 2011 model phone and is 2024-25 model is the Samsung A15 pliz helping me 

[ConstantineF]

Try deleting cache of the camera app, if that doesn't work try wipe cache partition from the recovery menu

[shouldangelsdie]

Have you installed any kind of lens protection? Tempered glass or something?
In which situations is ot working well? If you refer to night shots, it may be the standard..