General unknown notification

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http://androidforums.com – Hye all. I just using n2 for 3weeks and just recently, there is some icon appear at notification bar. With this I attached the pic to make it clear. But, that icon just seldomly appear. Can someone help me why is that icon appear? Because since that icon appear on my phone, my bettary draining like hell. Attached Images 2012-11-11 12.16.45.png (21.0 KB) (General)