Heavy battery drain in iOS7 with iPhone 5

Hello everyone,
As soon as Apple announced its newer upgrade, iOS 7, i've installed that but i noticed a heavy battery drain in my iphone 5. For example, yesterday night i charged my phone to 100 % and by today's morning it was at 77% ( without any usage). I can see the battery percent decreasing with my eyes. in iOS6, i used to get 24 hours stand by and 7 hours usage in 3g cellular and wifi but in iOS, i didnt even get 3 hours of usage in 3g cellular or wifi.
I got an error after downloading of 753MB of iOS 7 upgrade, i guess it is something like "error in downloading or something" and i discarded that error message and it was asked me to click on "install" option and it was restarted and installed the new OS to my mobile. Everything seems good except battery drain and weather app, which always shows "Haze" even though my city was experiencing thunderstorms. A half sun covered by clouds or ground in the "Now" position. Not even updating.
I tried restarting and resetting the phone with network settings but of no use.
Any help??
Thanks

I wouldn't restore at this point.
I would do this: re-calibrate the battery.
Let the battery drain until the phone is completely dead. (the iPhone powers-itself off!)
plug it in and allow it to charge to 100% [do NOT use it, do NOT unplug it]
This will re-calibrate the charging circuitry with what is reported. It's often likely that the battery report is a false one.
At 100% charge, use the phone normally and watch the performance of the battery.
-Alan

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Hey this is Brian, bjmcmurry, under a different user ID. If I logged in as bmcmurry, original post, I was just getting a server error and couldn't get to this discussion nor post a comment anywhere.
Anyway, let me be as brief as I can. After an extensive analysis of replicating the problem on another phone to eliminate it being a hardware specific issue and that the test phone has an unlimited data plan, I was able to stop the excessive data usage and consequential battery drain. I believe I have a reasonable explanation of the problem, an iOS logic bug.
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The two phones had 2 things in common, they were using the same Apple ID and the same version of the OS. One was a iPhone 5 and the other was a 5s.
Here is a synopsis of my experience via my written evaluation of the Apple support system (Apple Rep name's have been removed):
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2Jn6 wrote:
Has anyone else found his/her battery draining more quickly than normal.
Had you bothered to do even the most cursory search of this forum, not only would you have your answer, but you'd also come up with troubleshooting steps.
As you're new to the forums, please be aware that it is common forum courtesy to SEARCH the forum before posting another repetitive thread that serves nothing more than to clutter the forums.
You can start your search by looking to the right in the MORE LIKE THIS area.
Best, GDG

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How Formal Support Works
http://supportforums.blackberry.com/t5/Social-Lounge/How-Formal-Support-Works/td-p/2540533
Hopefully, this information will be of use to you.
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<img src="http://emob23.photobucket.com/albums/b391/satineladiamant/photo.png">
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