How to fix iPhone 4s battery drain on iOS 5.0.1

Please Read this entire post for my fix
FIRST OF ALL I MUST SAY THAT THE BATTERY THE 4S IS A BEAST!!!!!!!!!!
I would like to add two steps to this. I am a pure believer davidch you are unto something. I did all your steps and i went from 100% to 81% in two and a half hours...I was saying to myself "this mess don't work!" lol....BUT I decided to do a little investigating on my own.
I looked at my usage meter and realized that the actual USAGE TIME and STANDBY TIME were only 13 mins apart. However i knew for a fact the phone was sitting on the couch WITH THE SCREEN TURNED OFF next to me for 2 and a half hours. I may have picked it up once or twice after receiving a text and perhaps sending a text or two but that's it! My approximate REAL usage was around 5-10 mins.
Even tho I looked up in the top right corner and did not see the gps symbol, I was still curious. So i pulled up my multitasking menu (double tap home button) and noticed that after the reset there were multiple apps still available to be selected from. Not a surprise because we did a settings reset and not a complete content reset. My whole idea was to selectively remove app by app from the list until i found the culprit that was running in the background causing this fiasco (our fiasco).
IT WORKED!! I narrowed it down to the camera app. Which happened to be the last one that I eliminated. Then i started seeing the difference between my usage and standby meter grow larger and better even tho i was checking frequenly (about every 15 mins). I CLOSED THE CAMERA APP AT 12:30PM TODAY. At this time my battery has dropped down to 77%. AT 2:00 MY BATTERY LEVEL IS AT 76% What an improvement!!!!!!!! But was the camera app the problem??? NO NO NO NO NO
My guess is after the settings wipe all apps that were running ended up in a crash loop. Because after that i opened up all the apps that were running previously plus some extras and as of 2:41PM THE IPHONE IS STILL AT 76%. With approx. 3hrs of usage and over 5hrs of standby now. With about 20 apps running including the camera app!
I also did turn off siri raise to speak and did a reboot. Because after turning off RTS the infrared sensor on the front stays enabled until a reboot is executed. So here are my steps mixed with davidch's that worked for me.
For anyone new to the thread be sure to go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2 a. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
2 b. If you do not get the complete new setup screen with language setup and setup as new phone or restore from iTune/iCloud backup, be sure to go back to #1 and reset all settings again (it should happen the second time)
3. Turn off system location services timezone and iAd (settings -> location services -> system services)
4. Fully discharge battery (until you get the spinning wheel and it shuts off)
5. Fully recharge battery (overnight if possible)
6. Go to General->Siri....turn raise to speak off
7. Hold power and home together for a few seconds until the apple logo shows up. (Reboot)
8. Double tap home button exit all apps running and you should be good to do...
i didnt reboot after step 8 but maybe you should if you have a sprint or verizon iphone. 2:55 AND I AM STILL AT 76% I think i am in love all over again!!!!
Re: iPhone 4s Battery Life?

I have IPhone 4 and I updated the IOS to version 5. After the update the battery lasts about a day. After the update to 5.0.1 the battery lasts a day and a half. It is an improvement, but not as I expected.
The next step is to disable configuration options like:
- downgrade from 3G network to 2G
- disable Data services
- disable automatic clock
- disable location services
- use the phone only as a phone and nothing else.
I will come back to tell how much the battery lasts.
PS: the IPhone 4 is new so there is no problem with the battery itself.

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Usage: 4 Hours, 44 Minutes - NOT TRUE!
Standby: 7 Hours, 54 Minutes
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sajith5 wrote:
I have recently brought an iphone 4s and the battery is draining even without much use. please advice if any one is able to fix it with some patches or updates iOS 5.0.1
I have personally seen the problem and corrected it on numerous models now including the 4S, 4, 3GS and iPad 2s. Corrupt system level settings created by an iOS 5 bug in the original release that caused battery recalibration issues, etc. Just installing the update does not fix the issue in most cases (sometime it initially can be worse). You need to clear out those settings and recalibate the battery. For those still having the "standby battery drain" issue follow the procedure below in order. It does fix the problem in most cases.
Go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). At this point, Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
3. Turn off system location services timezone and iAd
4. Fully discharge battery (till it shuts off with the spinning wheel)
5. Fully recharge battery (overnight if possible)
In my experience this improves the standby battery drain issue significantly in most cases. It reduces drain from 2-4% or more per hr to 0.5% or less. It has worked for many, many users now... not all, but most. If it does not work after a few try's you may have a real battery or hardware issue and should contact Apple. Good Luck!
More details on my thread here if needed:https://discussions.apple.com/thread/3484755

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Want to Fix iPhone 5 Battery Drain? (A Workaround)

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iOS 6.0.2 (10A551)
Note: What I will detail/propose below is the implementation of a workaround to make do with what we have until Apple provides the solution.
The hard truth to swallow for loyal Apple customers and device users is that the hardware Apple used in the iPhone 5 is power-hungry, services provided via iOS are not optimized to reduce resource consumption, and if Apple did not also include a bigger battery with the iPhone 5 then owners would be even more upset.
So, long story short...
Over five nights, I did some simple tests.
The first night, I left my phone in Airplane Mode overnight - some drain while idle.
The second night, disabled Spotlight Search indexing and left my phone in Airplane Mode overnight - minimized drain while idle.
The third night, I turned off wifi - small amount of drain and I noticed that my cellar data usage (sent and received) increased by just over a couple of megabytes in total. Strange...
The fourth night, I enabled logging on my router. Since all of my wireless devices are assigned static addresses, I can narrow down data hogs pretty easily and see where they are going to get data and how much data was sent/recevied. With wifi left on, many hundreds of requests were sent to push*.apple.com servers by my iPhone 5 and a couple of megabytes worth of data were sent/received. Why? Because I had push enabled for iCloud (I always set my email accounts to Manual data fetching). It seems to me that push is still not push and that iOS will check to see if updated data in iCloud needs to be fetched. Push in the iOS world is another way of saying "try to fetch data much more frequently than the periodic fetch data settings." I also looked at my OpenDNS stats since I got the iPhone 5 in early December and these servers made up a hugely massive chunk of all my internet traffic at home. It is fair to note that my wifi-only third-generation iPad makes many hundreds of requests to those servers as well, but I am guessing that the hardware used for it is not as power-hungry and I do not have BT enabled and I do not have any battery drain while idle issues with it.
The fifth night, with both push and fetch disabled, all notifications disabled, as many location services as possbile disabled, all cellular data services disabled, Spotlight Search not indexing anything, I left wifi and cellular on and noticed that my battery drained only a couple percent while my iPhone 5 sat idle on my nightstand and only a minimal amount of cellular data was used (for what I do not know...).
So, until/if Apple decides to do something, if you want to maximize your iPhone 5 battery's charge, then I recommend implementing the following:
High Prority Settings
If you do not use it, turn off Spotlight Search completely by deslecting all of the items that it can index. As with newer versions of OS X, services related to Spotlight Search indexing seem to run quite often and for extended durations of time.
Unless you are a doctor or a very important person in another profession that must know when you get a new email, turn Push off and set Fetch to manual for all iCloud and all mail accounts. You can also go one step further and set each account to "Manual".
Unless you connect to a very underutlized 4G LTE network, turn off LTE. I tested this change and the difference between standard 4G and 4G LTE on AT&T network in Denver metro area is negligible.
Turn off ALL iOS System Services for Location Services. They do nothing but track you for your Apple's location-based advertising platform. For most, setting the time zone is done when the phone connects via celluar or wifi, and, my car has a navigation system with traffic data and I use Google Maps if I need navigation or traffic data when not in my car. Not a single Apple iOS System Location Service is absolutely necessary and will drain your battery.
Medium Priority Settings
Disable using cellular data for everything if possible. I still choose to leave it on for "iCloud Documents" and that doesn't seem to hurt things.
Disable Location Services for as many apps as possible/reasonable. Do at least leave "Find My iPhone" enabled. Note that some other apps may require that they be able to use your location (e.g. SiriusXM).
Disable as many Notifications (everything about Notifications - banners, alerts, badges, sounds, etc.) as possible.
Low Priority and Typical Settings
Reduce screen brightness as much as possible. Approximately 33% seems to suffice. Auto brightness can be left on since it seems to never really be used anyway.
Turn off Bluetooth when you do not need it enabled.
Turn off any automatic downloads for iTunes and App Stores, and Podcasts.
So, yep, a total PITA. But by doing all of the above, a full battery charge lasts several days with 10+ (or more) hours of actual usage. I hope this helps anyone else that attempts to do the same. Screenshots for those unfamiliar with the key settings above are included below (everything is done via the Settings - aka Preferences - app with a "gear" logo).
Disable Spotlight Search Indexing
Push and Fetch for iCloud and Mail Accounts
Turning Off LTE
System Location Services
Celluar Data Settings
Notifications
Automatic Downloads (apps, music, iBooks and podcasts) for "iTunes & App Stores" and "Podcasts"

Hello,
I am currently an owner of an Ipod Touch 4th generation.
I have had battery drain problem on the Ipod Touch 4th generation.
But, I found a solution that works for me:
Do the IOS update (the one that is the latest, or if you already did, then proceed to step 2)
Reset All Settings: SETTINGS>GENERAL>RESET>RESET ALL SETTINGS
Use it until it dies (automatically shuts off)
Plug into Charge
Leave it 1.5 hours or longer after it reaches 100% --> Undisturbed (preferably overnight)
Give it a few days to Calibrate
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The battery seems to give me 2 days 30 hours of standby, and 10 hours and 15 minutes of usage.
Thats pretty good!

Iphone 4S battery drain with iOS 5.0.1

I am experiencing just about the same battery drain with the iOS update as I did before.
I was wondering how many of you had the battery drain problem, updates to iOS 5.0.1 and had that actually solve your battery problem.

I have IPhone 4 and I updated the IOS to version 5. After the update the battery lasts about a day. After the update to 5.0.1 the battery lasts a day and a half. It is an improvement, but not as I expected.
The next step is to disable configuration options like:
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- disable Data services
- disable automatic clock
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- use the phone only as a phone and nothing else.
I will come back to tell how much the battery lasts.
PS: the IPhone 4 is new so there is no problem with the battery itself.

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hello,
my name is Udi, from Israel.
i have an iPhone 5 which i purchased in June 2013.
since the beginning, i have always kept the battery saving "rules", including correct charging of a lithium ion battery, auto-brightness off, reduce motion on, push notifications off, background app refresh off, cellular data off when not in use, etc. etc.
since updating to iOS 8, my battery life has decreased a little. but since updating to iOS 8.2 a few days ago, i have experienced, what is in my standards, a serious battery drain. e.g. when i sleep, with my iPhone on airplane mode at night battery decreases by ~15%.
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what can i do?
will a restore from scratch (without using a backup) help?
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For those who have a battery rattle iPhone 5, you can try to fix this problem by running the vibrator for a few minutes. There 2 ways to do this, download and run free vibrator app in AppStore or turn your iPhone 5 in vibration mode and use another phone to call your iPhone 5. While the vibrator motor is running, leave your iPhone 5 on surface (table top). This will help the battery vibrates and sticks to the adhesive on the housing.
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My newly bought iPhone 5 was on iOS 6.0.1
everything worked fine and i had no wifi nor battery issues at all until I upgraded it to iOS 6.0.
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ckuan wrote:
Jonathan wrote:
So my iPhone 5 always had the problem of disconnecting from the wifi signal I was on whenever the iPhone is locked.
Per designed, Wi-Fi will disconnect in sleep mode to save battery.
If you want Wi-Fi to stay connected even in sleep mode, plugin to a wall power socket.
No it's not "per design". It's not supposed to disconnect when locked/in sleep mode. The whole concept of having live notifications to work when your phone is locked is the standard for smartphones. Having this feature only accessable when pluging/charging the phone is rediculous and counter-productive. But it's good to know that I'm not the only one who has this issue. I hope all our issues are solved swiftly, good luck to you all

IPhone 4S battery drain on iOS 6.1.2

Hi, I'm using the iPhone 4S since a while now nd it's been working fine till I upgraded to the iOS 6.1.2 .. My battery has been draining down super quick since then.. I tried the fetch option nd stuff in mail settings but its not helped much.. Plzz help

We'll know at the same time you do, when Apple makes an announcement. No one who knows anything about future updates will be able to comment in public.
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How to fix iPhone 4s battery drain on iOS 5.0.1

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