P Xperia with ICS update battery life

My xperia P has been upgrade ICS a few weeks ago (battery already has enough time to "good standing") and ive noticed that when I check the use of the battery for 100 60 + is used by the screen alone? Even if I disable adapt to lighting conditions and is at the lowest brightness? Is there any solution for this? Or is this normal on ICS update? Long on screen is 2 hours 43 minutes. Its battery on for nearly seven hours.

It is the normal battery usage.

antivirus or taskillers could be the culprit

Don't forget to mark the correct answers & useful answers

Another issue, if you have time please check this thread

http://talk.sonymobile.com/thread/44888

Tags: Sony Software

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