Terrible Camera Lag

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http://forum.xda-developers.com – 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 (HowTos)