iOS 6 iPhone 4s battery drain

Did an OTA update to iOS 6, and my iPhone 4s is draining quite quickly almost a percent every three minutes


Only apps running are Settings, Messages, Phone, and Mail, and Location Servces are on for Google, Maps, Nearby, Reminders, Safari, Siri, weather, and YP Mobile (sames as before the iOS 6 update) All apps are up to date, and restarted the phone twice. On local WiFi, with AT&T cellular service, four bars.


Phone would get warm at times as well.


Maybe it's an anomaly, else, lets see if this post grows...

Posted on Sep 19, 2012 12:39 PM

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2,468 replies

Sep 24, 2012 7:28 AM in response to Bruno1502

Thanks Bruno, when i get home, i will try your solution, but this is not my objetive, i am trying to expose that we are talking about an enterprise that earns thousan million at year, They have months and a big team for prepare and avoid this kind of issues! That's i think, all the time we have to suffer battery issues. Since i buy mi 4S i meet friends that put low brightness, put 2G, avoid use Facebook, Twitter, so i ask them, Why you buy an iPhone if you will turn off all the features? This is not something that should happen with companies that claim build the best electronic consumer devices.

Now we have keep looking for a interim fixes, i think that Apple are able to fix our problem so fast.

Sep 24, 2012 7:45 AM in response to Greg Bastug1

iphone 4s is still having big time battery loss. Does not seem as warm this AM , however, so maybe it is getting better?? Have not done a restore yet as i don't think that i should have to go through all this time and effort for an update that should be somewhat simple to do. And it did not seem to work for many of the others anyway.


I have tried many of the other suggestions here, to no avail, and hope that i rememberd to undo all those. 🙂


I also have a ipad3 (wifi ony) and the update went well there and it is not eating through batetry like the phone.

Sep 24, 2012 8:55 AM in response to Daur80

i dont know if android phone on 3 g and cellular data........are tought on battery too?...........because if you go to


Cnet cell.specs and other cell reviews and site......all cells do not perform well but better than IPHONE


......EXCEPT Mororxx Droid razr maxx that have a 3300mah +21.5 hours talking and 16 days stanby.


iphone have a 1400mah


so 1+1=2


i was sure last year at the same time....when they where talking about a iphone5 that it will come with at least 2000mah batt.........no way


and no...20 mah more.................big joke


have to wait to iphone6...to get a better battery and paid again 700.............

Sep 24, 2012 8:58 AM in response to jtkc

update???????????.....last year 5.0.1 came in december or january and no big improvement........in 1 year there will be 1000 pages on that tread.with no result.period.

Sep 24, 2012 9:26 AM in response to Bruno1502

Setting up your iphone 4S as new does work really well and improve battery life significantly... But I am here to report after 2 days of use, my battery life is draining out rapidly again. (It was around 60% when I went to bed and the following morning, I found my iphone dead.)

Why do we users have to suffer for each major iOS release? This is beginning to get really annoying. 😟

Sep 24, 2012 9:27 AM in response to Greg Bastug1

I was having this problem for my iPhone 4 -> very high battery drain after doing the IOS 6 upgrade. FYI I did my upgrade via WiFi and I use iCloud backup. After reading these posts I decided there were 2 possible solutions:


(1) Plug the iPhone physically to my computer/iTunes and do a full restore as a new iPhone. This means I would have to put in all of my email accounts (7 of them) and other settings manually again. This did not sound like fun.


(2) Plug the iPhone physically to my computer/iTunes and do a manual sync. Then do a hard reset on my iPhone and then restart and do another sync to my computer/iTunes.


Naturally I started with (2) and I am reporting that this worked for me. In fact, I disconnected my iPhone from computer and charging nearly an hour ago and it stills shows 100%. It would have been considerably drained before this.


I noted that when I did (2) that there were numerous steps being done by the sync that took considerable time. I bet Apple does have some secret sauce stuff going on that just works better doing the manual sync with USB cord back to the computer/iTunes.


Good luck to all ... I am good to go.

Sep 24, 2012 9:28 AM in response to nmiah

It has been 3 days now, and I can report disabling Safari in Restrictions, and then doing a reboot, has stopped the higher battery drain for me. I did not want to try a restore as new and reset everything. I did not do this in combination with other attempted fixes so I know this is the step that worked for my situation. (Keep in mind our battery issue may not all be from the same issue, so fix for one person may not be for another. My wife's phone is fine and was upgraded in the same way and has mostly the same Apps and settings).


https://discussions.apple.com/thread/4310494?answerId=19678468022#19678468022

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iOS 6 iPhone 4s battery drain

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