Support Blue dots/stains on camera

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http://androidforums.com – I just found out that my Note 2 camera shows some blue dots that is very visible when in low light and somewhat visible in bright backgrounds The phone's not rooted and the dots are visible when using the camera regardless of apps Does anyone know what the problem is? I tried restarting the phone, closing and reopening camera apps but it is still there. Don't think it was there when I first got the phone. Thanks in advance! (General)