iPhone 4s Battery Life?

My iPhone 4s battery seems terrible! Almost equivalent to my 3GS and it's terrible battery life. When I got my iPhone yesterday and restored from backup I noticed nothing really changed with minimal usage and standby! Is this normal or should I consider setting it up as a new phone because maybe something is running in the background that's causing it to drop a percentage every few minutes under light usage? Input would be great!

Posted on Oct 15, 2011 7:14 AM

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12,787 replies

Jan 4, 2012 11:43 AM in response to SG Guy

No. Just lucky. Face it guys, a LOT of people are having trouble, but most people have no battery issues.

When I put IOS5 on my wife's 3GS, she complained about battey drain. I went through the settings, turning things I didn't need off (like time zone checking), and the problem went away. I just haven't had a problem on either the 4 I used for a while, or the 4S I bought a month ago.

I am pretty sure that a lot of the delay in Apple getting 5.1 out is that there are multiple causes for the battery issues some people have. I wouldn't presum to try to tell anyone that there isn't a problem with SOME phones. I also think some people have unrealistic expectations.

Jan 4, 2012 11:49 AM in response to guitardude7

That depends. The phone seems to switch back to 3G on standby. IF you have something using data, then I THINK (and hope), it would use your wi-fi for that. If you are in a location far from a tower, of with a bad signal path to your tower making the phone ramp up the transmit power (uses lots of power). Note also that 10 hours on active wi-fi is going to drain your battery.

Jan 4, 2012 12:00 PM in response to rphunte42

rphunte42 wrote:


, but most people have no battery issues.


I also think some people have unrealistic expectations.


Judging from the number post in this thread clearly tells a different picture.


It's not unrealistic expectation. It's the specs that Apple claims is what disappoints people.


  • Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM)
  • Standby time: Up to 200 hours
  • Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi
  • Video playback: Up to 10 hours
  • Audio playback: Up to 40 hours


In reality the battery doesn't live up to anyway near the above specs.

Jan 4, 2012 12:29 PM in response to xenocea

OK. You went 1 whole day, with almost 7 hours of usage, and you still have 5% battery left. That would seem adequate for most users. Also, I noticed that you only show two bars on your cell service, which probably means your transmitter is running at a rather high output.

Most users sleep 6 to 8 hours a night, so as long as the phone will last from when you get up until when you go to bed, and leave it on the charger, 16 to 18 hours, you should really not be inconvenienced. My old phone wouldn't last through a day sometimes when I was in locations with bad signal strength, and was reading stories.

Jan 4, 2012 12:30 PM in response to rphunte42

rphunte42 wrote:


Smartphones are just small computers. Have you ever noticed that your computer seems to be doing something all the time? If you have the phone just sitting there, in airplane mode, and you have left 10 apps 'minimized', some of them are probably running. It's a multi-tasking computer! At the least, it is checking every minute to see if you have an appointment, alarm, or other event it needs to process. Get a utility that lets you see what functions are actually running all the time. You will be amazed, and it might lead you to some of that activity.

Maybe you should check Apple's implementation of "multitasking". Not all apps are designed to "run in the background" first of all. Second is that most of them don't actually run, they're just in a state that makes them come back to life faster. You shouldn't confuse the device internal processing with the apps in that state.


I always question people's enthusiasm for those expensive phones, I mean the cheapest knock-off digital watch is a "small computer"... it always does something i.e. keeps track of its time - and for a long time. Those smartphones are no great wonders at all one should marvel at. Maybe you should elevate your thinking... take a look at the Swiss atmos clock or quartz clock (http://en.wikipedia.org/wiki/Atmos_clock and http://en.wikipedia.org/wiki/Quartz_clock) which are still real wonders in this life where people get impressed by devices simply because they process things - with tons of errors. If clocks were so bad at processing, we'd never have any reliable time. Real craft vs. smartphone processed cheese. This is compounded by the further fact that these smartphones don't last a day when you try to use them like real computers... I mean computing is quite much more than taking a couple calls and watching statuses pop up.


Finally, you comments on legal are just lame, for lack of another word at the moment. If you knew anything about it you'd know it's not solely about money, it's about precedent, especially with the setup they have in Europe. The stereotype that legal benefits only lawyers is such cliché.


Take care.

Jan 4, 2012 12:34 PM in response to xenocea

The 200 hour spec is useless in my opinion, given that not many people leave their phone on standby for 200 hours. Thats nearly 9 days! If you are in an area with really good 3G signal, I suspect 7 hours wouldn't be impossible. Wi-Fi depends on your router, and what you are doing. Transferring apps, and music, probably not. Surfing the web, maybe.

Surely you are naive enough to belive manufacturer specs are anything but optimistic, taken under ideal conditions, and not representative of the real world. Should you enter a class action suit, I am sure that Apple can trot out tests to verify their numbers.

Jan 4, 2012 12:43 PM in response to 1AppleADayNoWay

OK, and my laptop will run a whole 2 hours on battery. That means if I can run my phone for a whole day, and I already have, and am at 73%, I think it is doing pretty darn good.

About the legal aspects... Apple has tons (literally) of good lawyers, all over the world. Sometimes they lose, but more often they win. IF you could actually prove your case, and 'win' what would that do for you, other than the satisfaction? Would it make your 4S battery last longer?

Jan 4, 2012 12:57 PM in response to rphunte42

rphunte42 wrote:


OK, and my laptop will run a whole 2 hours on battery. That means if I can run my phone for a whole day, and I already have, and am at 73%, I think it is doing pretty darn good.

About the legal aspects... Apple has tons (literally) of good lawyers, all over the world. Sometimes they lose, but more often they win. IF you could actually prove your case, and 'win' what would that do for you, other than the satisfaction? Would it make your 4S battery last longer?

But during those 2 hours you could actually use "real" apps and games. Like image editing, audio and video editing, and word processing - Photoshop, LightHouse, Final Cut and LibreOffice - with a keyboard and some Skyrim to close it off. But smartphone users are a lot into sub par processing - it's not only you. Nothing personnal.


As far as legal is concerned, well extending my warranty would allow me to get a full refund for a longer time. Consumer rights are worth fighting for. It's a matter of ethics and principle. That big businesses should be held in leash. That laws should apply equally to everyone - and there's no exception because you're a big firm. Businesses don't make laws - the People do. When you see users of a product speak against consumers rights like you've done and others before you, that is just appalling. I can't grasp why someone would take such a stance. You should be very demanding of your beloved company.

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iPhone 4s Battery Life?

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