iPhone 5 battery life is way worse than iPhone 4

I just got an iphone 5 and I restored a backup from my iPhone 4 so I have the same settings. But the iphone 5 drains way faster than my two year old very well used iPhone 4 which is running 5.1.1. Is it because of IOS 6? Just leaving it sitting overnight lost about half the battery. My iPhone 4 hardly uses any battery while it sits overnight.


Or do I have a bad battery on my new phone?

Posted on Sep 22, 2012 1:41 AM

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Jan 31, 2013 10:12 AM in response to Jameson!

I see your point

But if u read the whole lot of what i wrote,you will actualy see that my old iphone4 used to take me twice as far,and back without any charging at all.so blaming the poor old 3rd party app,does not make sence to me mate

My conclusion is(im not expert in any way,by the way)that apple developed better phone,with twice more powerfull CPU,with bigger screen,twice the RAM,and an extra antena or 2,and kept the same battery

So something dosent quiet fit in that enginering

But then again,im not expert

At the moment im at 4:50 usage,6:30 standby and with 30% left(i charged it at lunch time to full and play simcity a bit+ youtube+emails and a bit of safari)

All silly things are off appart from basics

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Jan 31, 2013 12:30 PM in response to iLoveiPhone85

i can agree that it does appear they have fixed the issue with severe drain on standby. but using the phone still is using far more then it ought to.


currently at 83% battery

Usage: 1 Hour, 55 Minutes

Standby: 7 Hours, 8 Minutes


I haven't really been doing much on the phone today though, little bit of email and imessage only. 3G only

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Jan 31, 2013 5:24 PM in response to holdrege

I've definitely noticed improvements as well, particularly with battery drain on standby. I haven't left my phone unplugged overnight yet, but with all previous versions of iOS6, if I left my phone on a table for 20 minutes or so untouched and then woke it up, I could see the battery drop one percent. Pretty much every time I woke it up after not being used for a while it would drop one percent. With previous versions of iOS6 I would lose at least 10% overnight if I left it unplugged. And that was with iCloud turned off, mail set to manual, and connected to wifi all night.


However, I'm still losing 1% every two minutes on LTE. I'm curious to know if anyone is getting better LTE numbers? I'm not really bummed about it because I'm connected to wifi 90% of my day, and the improvements in battery life while asleep have helped to the point where I can make it through the day without charging.

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Feb 1, 2013 6:45 AM in response to holdrege

So, I did my overnight standby battery test on 6.1. Unbelievable!


Charged the phone to 100%. Unplugged charger at 12:24am and went to bed.


iCloud on

Push off

Mail fetch 15min

Only apps backgrounded: settings, mail chimp, Facebook, Pinterest, Talkatone


Didn't touch the phone once and at 9:36am this was my usage stats:

Usage - 4hrs, 2min

Standby - 9hrs, 11min


How is there 4hrs of usage when the phone isn't being used at all? What could be causing this? I'm losing my mind lol

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Feb 1, 2013 7:30 AM in response to cocktail5555

do you get a lot of mail? you should set the push to manuel? so i would only updte when you use the app. icloud has the the tendency to always back up your phone, so that can be the reason you have a high usage overnight.. my usage is is always low if not 0-5 mins when i wake up or when unplugged..

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Feb 1, 2013 7:41 AM in response to cocktail5555

I hear you, but the reality is that you are still having serious battery drain, while most other folks are reporting significant improvements. I would think there has to be something in your configuration that is causing it at this point. Those apps you listed, if running in background, are the first place to check. There aren't so many of them that it should be that big a deal to test out. Hopefully, you can pinpoint the problem to one of them and then see the same improvements everyone else has........

cocktail5555 wrote:


Jameson-


When I installed 6.1 is did a complete restore, so those apps have already been installed fresh. I just don't get it.

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Feb 1, 2013 9:54 AM in response to holdrege

Hi everybody. I've posted on this thread back on September & October. Things were very messy with iOS at that time. I updated my 3 sets of i5 into iOS 6.1 5 days ago. Me too like a lot of others on this thread have noticed a dramatic improvement on battery life on all my i5 sets. I'm now at 65% with 3:33 hrs usage and 8:24 hrs standby. I'm very happy with my i5 now and happier since my guessing back in October that it was a software issue was 100% correct.


I'd have posted snapshots but I just couldn't figure out how to do it from the iPad.


Thanks apple and of course late Steve Jobs for such valuable products.

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iPhone 5 battery life is way worse than iPhone 4

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