Terrible Camera Lag - Galaxy S II Q&A, Help & Troubleshooting

Hello Guys, I recently purchased an GT-I9100 SG S2 and it has a terrible camera lag
it is as follows:
If i´m in the home screen i touch the cam icon and it comes up but it takes like 3 minutes to load and focus, all it shows is a black screen like if the camera lens was covered by something, then after a few moments something comes up but it freezes, like if i move the phone to focus on something else i still see what i previously had for a few minutes, and that happens perhaps for a few minutes more, then when it finally decides to work and i take one or 2 pictures, it works fine, but that´s after perhaps 4-5 minutes of waiting.
I´ve noticed that if i use lower settings it takes less time to power up, if i go down from 8Mpx to 3.2Mpx it does take a considerable lower amount of time to warm up and be ready to shoot, but in any case it lags, and not only that, sometimes i see green portions and purple like grainy pixelization.
Any Suggestions or ideas?

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which rom you are using ? also post a screenshot of Setting>about phone
something like this
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

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Here it is

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try updating!
If the error persists, then the camera is broken.

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There you go
just in case the screenshot cant be seen
Model: GT-I9100
Android Version: 4.0.3
baseband: I9100XXLPQ
KERNEL: 3.0.15-I9100XXLPQ-CL223505
[email protected] #3

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Update?
djnino4style said:
try updating!
If the error persists, then the camera is broken.
Click to expand...
Click to collapse
What you mean by update?
I tried Kies and it says i can't update, besides that phone had JB before and was downgraded to ICS because of stability issues besides the camera thing, so i don't think that that's the probem but if you tell me something new I'm open to suggestions.

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Maybe you should try installing an alternative camera app from the Play Store. I'm not sure if it's going to help but the problem you have might be purely software related. There are some free ones so just try one and see if the problem persists.

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Camera app?
bi11ie said:
Maybe you should try installing an alternative camera app from the Play Store. I'm not sure if it's going to help but the problem you have might be purely software related. There are some free ones so just try one and see if the problem persists.
Click to expand...
Click to collapse
I've been using Instagram and it does the exact same thing, haven't tried other versions but will do
I've also noticed that the camera does a very mild clicking sound when is warming up so I'm not sure what could be the problem here.

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irvingh30 said:
I've been using Instagram and it does the exact same thing, haven't tried other versions but will do
I've also noticed that the camera does a very mild clicking sound when is warming up so I'm not sure what could be the problem here.
Click to expand...
Click to collapse
I think Instagram uses your phones default camera app to take photos but I could be wrong. I hope the problem won't persist once you download a new camera app. Otherwise root your phone and flash CM9 or any other stable ROM. If that doesn't fix it either, then your phone's camera is faulty and you should get a new one.

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Try a different kernels. Or use a rom based on XXLSJ e.g omega Rom for galaxy S 2
Try camera zoom FX for camera app
Sent from my GT-I9100 using xda app-developers app

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Happened to me, try to download original camera app from xda..
Replace with your camera
Sent from my GT-I9100T using xda premium

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Didn't work
drraptor said:
Try a different kernels. Or use a rom based on XXLSJ e.g omega Rom for galaxy S 2
Try camera zoom FX for camera app
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
I installed camera ics and it has the same lags and pixelization, pintura still looks grainy

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irvingh30 said:
I installed camera ics and it has the same lags and pixelization, pintura still looks grainy
Click to expand...
Click to collapse
You can try a different Rom. Find a rom for 9100, and flash it. I fixed a 9100's camera by flashing a omega (XXLSJ). So you should find a Rom specific for your set, flash it. Hopefully out will solve it.
I would recommend using OMEGA v16 (XXLSJ) , selecting custom installation, and select Jelly beans 4.2 camera
http://forum.xda-developers.com/showthread.php?p=22359679
Also clean the lens using a soft cloth
Sent from my GT-I9100 using xda app-developers app

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*coughs*
And potentially bork his phone ? If you'd read the thread you'd know he has an I9100.
Solid advice
drraptor said:
Find a rom for 9100G, and flash it
Click to expand...
Click to collapse

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MistahBungle said:
*coughs*
And potentially bork his phone ? If you'd read the thread you'd know he has an I9100.
Solid advice
Click to expand...
Click to collapse
Sorry, I confused the SG with G. That is why I emphasized on "your set"
I will correct it
Sent from my GT-I9100 using xda app-developers app

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Sorry to suggest the obvious but have tried clearing the camera apps cache and data?
Sent from my GT-I9100 using xda premium

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Clear Data works sometimes...
HANDSY said:
Sorry to suggest the obvious but have tried clearing the camera apps cache and data?
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Yes I've gone to settings>apps>all>Camera and touched "Clear Data"
It certainly works sometimes but is not a defnite solution to the problem
I as actually about to buy a new camera on ebay, one of those replacements modules but i guess it is not a good option without asking first.