IOS 4.3.1 battery drain on iPhone

I have been wrestling with trying to find out what is causing my faster than normal battery drain issues since upgrading to 4.3.1 on iPhone. I thought I had it nailed when I discovered Skype was running in background. I have since deleted the Skype app but am still getting faster than normal battery drain. I then began to look at the internal processes running and am now wondering if any of those are the culprit.
How do you know what the process is used for and if it is needed? And then how to kill it?
Thanks and I look forward to your reply.
...Bruce

Well I'm still testing, but so far still looks crap to me.
It seems the opening animation is still horrible, but on most apps the second time you open an app (if it is already loaded) its smooth. This tells me when you first hit an app that it's loading is interfering with the animation. (never did this before 4.3)
The ipod app is still glitchy animation wise, and settings still has a second or so pause before appearing.
The camera app openeing speed seems to have improved a little though, but the double tap to reveal background tasks is totally inconsistant. (pause before doing anything, then glitchy crappy animation on screen move up).
Ultimately, I think that this is just a case of apple dumping the 3gs, and 'pushing' people to get a more powerful iphone (4 or even 5 later this year). The update doesn't even mention 3gs stability in the release notes, so Apple either basically have their head in the sand, or as I expect, just don't give a crap.
Will test some more, but this isn't looking good.

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Hi All ,
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* The above was taken from: http://www.clear-coat.com/blog/iphone-privacy-settings/
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The Ultimate Guide to Solving iOS Battery Drain
<http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain>

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Dear experts
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sajith5 wrote:
I have recently brought an iphone 4s and the battery is draining even without much use. please advice if any one is able to fix it with some patches or updates iOS 5.0.1
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Agreed to the fact as the iPhone 5 is compatible to 4G Network due to which the Disable 3G option has been removed from the Cellular Settings.
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3. Switch the Display and Brightness to AUTO BRIGHTNESS,
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IOS 4.3.1 battery drain on iPhone

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