How to fix blurry camera 📷?

@lauramorvan, I understand your frustration, but honestly, those answers weren't stupid, they are things you can try that don't involve fixing hardware and are worth looking at before you start trying to replace parts. So I'll see what I can do to help in that department.

First of all, it looks to me like we've got two separate threads going here; I can't be sure, but I think the original poster, @nohaatlopa, was asking about the rear camera, while the most recent question from @wissah is about the front camera.

Assuming you've all tried the software fixes suggested, then it's time to start looking at the hardware. Let's begin with the rear camera problem.

First of all, let's make sure it isn't being caused by any kind of blockage or interference caused by the cover over the camera. That's easy enough to check; just take the rear cover off and see if the picture improves. If it does, then you probably need to replace the rear camera glass, which is easy enough to do on your phone. Unfortunately iFixit doesn't have any info on this repair, but there's a French site called SOSav that has just what you need. If, like me, you don't happen to speak French (well, not fluently anyway), the Chrome browser's automatic translation works quite well enough to make the instructions usable. Here's the one for the camera cover.

Rear camera glass Galaxy A30 repair - Free guide - SOSav

If the glass doesn't turn out to be the problem, the next thing to try is replacing the rear camera. It's a dual camera system, but it looks like the cameras don't come separately, so you'll be replacing both cameras at the same time. Here's the guide needed to do that job.

Rear camera Galaxy A30 repair - Free guide - SOSav.fr

You shouldn't have any trouble finding parts; Samsung part seem to be pretty easy to get. I'd start with the big sites like Amazon, eBay and AliExpress among others.

Now if it's the front (selfie) camera that's the problem, that's pretty much the same situation. You're not going to be able to just pop the screen off to check, but if you remove the camera from the phone you should be able to look through its little peephole and verify that it's clear and unobstructed. If there's a crack in the screen that's causing the problem then the only cure is to replace the screen, but hopefully that's not it. Assuming the view is clear, then the next best bet would be to replace the camera. That takes a different guide than the rear camera, but SOSav has one for that as well. Here you go.

Front camera Galaxy A30 repair - Free guide - SOSav.fr

Of course, any time you remove the rear cover you'll want to replace the adhesive holding it on so it stays on permanently and gives some measure of water resistance. Get a sheet of precut adhesive that goes on the phone's rear frame first after cleaning off all the old adhesive with 90% or higher concentration of isopropyl (rubbing) alcohol). I usually get a couple of sheets, as they're sometimes easy to mess up and you don't want to have to wait to reorder before you can put your phone back together.

Good luck with your repairs, and feel free to come back and ask questions as needed.

And if you're feeling ambitious, take lots of pictures as you work and use them to create your own iFixit guide to help out those who come after you! It's fun and easy and I highly recommend it.

Create a new Guide - iFixit

Well you can try the following basic thinks:

1. Clean Your Camera Lens.
2. Use the Correct Mode.
3. Take the Protective Film or Screen Protector Off.
4. Clean Your Screen.
5. Check the Lens For Condensation.
6. Take Off Your Phone Case.
7. Tap For Focus.
8. Switch to a Different Camera.

Long camera is not supper

blur problem