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Wi-Fi Battery Drain - "Android OS"

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http://forum.xda-developers.com – Hey guys, I've spent endless hours trying to find an answer to this bug. Here's the issue, which I'm sure some of you are aware of: When connected to Wi-Fi (at home or work), "Android OS" is not letting my phone sleep, and I continue to see "wlan_rx_wake" as my top wakelock, which accounts for 30-50% of my kernel wakelocks. For example, I had the phone off the charger for 20 minutes and it only slept for 3, even though I didn't turn my screen on once. From what I've read, this bug has to do with certain routers continuously polling the phone due to dynamic (DCHP) (HowTos)