Found Fix for iPhone 4 and 4S battery life problem

I was having the battery drain too and turned everything off , like suggested, didn't work. Then someone said they deleted their e-mail accounts, then re added them. I deleted my Yahoo account , re added it and Vola! battery good as new. Good thing cause I was really getting frusterated!

it's not a real reason for standby time problem, better advice here: https://discussions.apple.com/thread/3443630

I did a hard restart yesterday and it's been fine since. No more waking up to a drained battery anyway.

I tried this along with turning off notifications for calendar. I left on blue tooth & wifi and am at 81% after 6 1/2 hours - most of it standby with probably 10 min usage. While it's not great, it is so much better than it was. By now it would have been well below 50% before I made these changes.

Talked to Apple, complete reset of phone, shut off everything that uses location services. My battery has drained 26% during minimal use and died off 10% looking at this page for 10 minutes. Battery getting warm. Went to apple from droid because I thought they had it together!

JJT2122 wrote:

I found a flaw in the iOS 5

there is a option that constantly uses your location service without you knowing, it dosen't even show the purple arrow next to the battery unless you change that option to see.

go to settings> location services> go to the bottom and go to system services> turn all off except leave cell network search,compass calibration and traffic on, and turn the status bar icon on, so you know when your location is being used

the location based iAds,and setting Time Zone are constantly using the GPS.

I noticed a HUGE battery life difference that is much better

wasnt sure if anyone knew this.

You can readily disable those three you mention leaving on - they have nothing to do with how your iPhone or any of its features or apps function. These are all sending location based data OUT - from your iPhone to Apple.

Cell Tower Search sends your location and the tower ids of the towers within range of your device - it is used to build a location based data base of cell tower usage and loads.

Traffic periodically sends location data when you are detected being on roadways, which is then correlated to traffic congestion information - supposedly used to build up a location based info system putatively for use in a traffic based nav system

Compass calibration - I have no idea what this does, but disabling it does nothing whatsoever to your ability to calibrate your compass app when it prompts you to, so it is not necessary for actually calibrating your compass on your iPhone.

I disabled all of the system services under location settings the day of iOS 5's release and my iPhone 4 has functioned just fine without any of them enabled.

I also disabled the automatic sending of Diagnostic&Usage data. My iPhone 4 has experienced no change in battery drain compared to before iOS 5.

I tried all of the so called fixes. Turned off location services. I have no apps on the bottom (on hold) etc...

and I still am getting a Battery Drain of 10-12% per hr. if i charge my iPhone and leave it unpluged overnight Aprox 6hrs -7hrs it drains down to 50%! Suppose to have 200hrs of standby As Avertised? I dont think So. I hope Apple will have a fix for this soon.

Just heard on the News (In Australia) that Apple are aware of the Battery drain problem, they are at the moment working on a fix which will be in an update in a couple of weeks.

There are many apps that want to know your current location I guess for sharing that info with your friends. I am almost certain that will use your GPS on your phone and might drain it down that way as well.

Hope it Works ~ 🙂

Ok, I got my iPhone 4S to get better battery life. I did all the suggestions listed above... (AGAIN)

i.e. Turn off Location Services for TimeZone, And Calendar Notifications.

I Also turned off the STOCK widget on the notifications pulldown. Run mybattery down till the phone turned off, then Fully Charged it and then Did a HARD RESET. <--- MOST IMPORTANT {I believe to make changes take effect}

Last night I charged it up and then unplugged it at 8pm then When I woke this morning at 6 I checked it it still has 99% !!! yea! (last time I Unpluged it overnight fully charged and then woke up it was at 55%)

Also I am using it today normally and I am still at 98%! (Made 2 Phone calls 3-4 mins each) checked 3 emails, and surfed the web for about 5 mins) and its 11am! Orginally I would have been Down at around 80% or Less!

So To ReCap:

I turned off the Stock Widget, Turned off Location Services for TimeZone, Turned Off Calendar Notifications & Run the Battery down to Empty, Did A Hard Reset And Its Dramaticly Improved the Battery Life!

I hope his helps afew iPhone owners till Apple fixes the Bug/Bugs in ios5/iCloud.

Good Luck!

Mike

I tried all the suggestions in the article. The battery conrinues to drain at the rate of 5% an hour (when not doing anything with the phone). This is my 3rd iPhone, as I had assumed this was a problem specific to my hardware. It clearly a more generic problem. Hope Apple solves this quickly.

I turned my location services completely off and it still doesn't help. Apple needs to elaborate more on this issue and release and fix sooner than a few weeks.

Agree. I tried it and it still drains about the same. In fact I turned all location off on that page and still didn't help. There is some bug in ios5 that is probably not user changeable or fixable.