Xperia U colorful light problem

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http://forum.xda-developers.com – I have a problem with the colorful bar of my cellphone. I configured the light to turn on pink but she turn on pink first and later blue and red, I want only the pink light, what you think is the problem here? The other question is for the intensity of the light, is lower than first day, how can I return to the factory light intensity? Sent from my LT22i using xda app-developers app (HowTos)