IOS 8 SEVERELY draining battery on iPhone 5

Is there any way to fix it??
My Home/Lock screen racks up 47% of my battery usage since updating, while the background/app refresh, location services, and other features that drained battery in iOS 7 are turned off.
My battery has gone down by 5% within just 10 minutes of my phone sitting there, having absolutely nothing done to it.
Whenever I click the home button after about a minute or so, it goes down by a percent (sometimes two).
So my phone isn't even going to last me an hour of usage after this "upgrade"?

As much as I love getting a new gadget, I respect our environment more. So I'm holding on to my iPhone 5, 16GB because it's worked so well for the last 2 years and is still going strong. I charge it every night and at the end of the day I usually have 20% battery left. But that was before the iOS 8.0.2 update...
Now my phone lasts 4 hours and over heats. It died 3 times yesterday with normal use. The only variable is iOS 8.0.2
I looked up forums and found "tips" that are more like work-arounds. I tried resetting all settings which didn't work. All it did was give me annoying settings like 2 reminders for one SMS, location services off, and I lost my favourite lock screen photo of my two children (even though it said "no data or media will be lost" ).
I checked the settings for apps that are using most battery. Phone and lock screen are the top two. Lock screen?? Seriously??
I remembered that when I use GPS apps (ie. TomTom or Google Maps), the phone (just feels like any other "phone" now without the "i") would heat up in the same way it does now. So I snooped and found a little switch hidden deep, deep down in Settings > Privacy > Location Services > System Services (scrolled down to the very, very bottom) and there was a switch for Status Bar Icon. I turned this ON and paid attention. It would turn on by itself on the lock screen. I thought that maybe Siri is using it? So I went into Settings > Privacy > Location Services and turned Siri's location access OFF.
The phone cooled down almost instantly. I'm charging it now and will update below on how I go, if anyone's interested...
Let me know how you go with this?

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Crazybioteacher wrote:
Not to sound like a jerk but this is my 3rd iPhone and I hit the usual fixes.
And we would know that based on the initial posting based on what?

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