IOS 7.1 battery drain iPhone 4S

While the performance increase on iOS 7.1 appears genuine - I'm experiencing serious battery drain on my iPhone 4S (64GB model).
I have parallax disabled as well as background app refresh disabled.
I updated from iOS 7.06 to 7.1 via USB cable attached to my Mac Pro and the latest version of iTunes running on Mavericks latest version as well. I had closed all apps and done a reset before connecting to iTunes where I did a backup and sync prior to updating.
The drain I'm experiencing is during usage, not standby as much. When I use my standard apps (mail, safari, txt, etc.) I'm seeing the battery drain about 1% per minute. I'm not using GPS or bluetooth.
I followed one suggested on Apple Forums to drain battery to about 40%, then do another hard reset. Doesn't seem to help.
Anyone know of similar issues or what to try next?
Are there any tools available to see what apps might be running in the background that are causing the processor to drain the battery so fast? And yes I am now closing all apps after using them to try anything to save battery.
Very tempted to find a way to downgrade to 7.06...

Thought I'd reply to this seen as no one else has, I am also experiencing very similar problems with my 4s and by the looks of it is it's across all handsets. I've never had any battery issues with my iPhone even 7.0.6 was fine, but since updating to 7.1 the battery is ticking down very fast. I fully charged in the morning and left it in my locker all day at work when I got my hands on it it's gone down to 52% just on its own!!
I really hope they sort this out fast the irony is 7.1 was supposed to help battery life!

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IOS 4.1 battery drain understood

So I went to the Apple Store locally today to have my iPhone 4 examined for the post iOS 4.1 battery drain and heat issue.
It took about 90 seconds for them to identify an issue and replace my phone. Apparently the 4.1 update changes the modem software rev and actually creates a background process that is unnamed and never stops. It's a bug apparently.
My iPhone 4 was one of the original 600,000 sold on day one. In fact, mine was delivered the day before the release. I am thinking the first phones might be more susceptible to this.
So, the replacement is running 4.0.2 and the older modem FW rev and is absolutely wonderful again. No 4.1 until this issue is resolved.
Point is, there is an actual issue with SOME of the phones, so don't let anyone tell you you're wrong and you shouldn't have to disable ANYTHING to use your phone normally.
The guys at my local store were very helpful and interested in this issue.
Anyway, if you're troubled by the battery drain, take your phone back and let them try to identify if yours is affected. After all, if we want the bugs fixed, we need to let them know and this forum really won't do that.

Good on ya' then. I'm glad it's not widespread. However, it's also not a one-off. If it's a problem the Genius Bar knows about already, then a fix is obviously in the works. Just like with the touch of death, they're in damage control mode until they know how big it is.
I'm so tempted to update the new phone, but it's just working so well on 4.0.2 that the idea of a repeat just terrifies me.

HT1766 Upgraded iPad 2 w/IOS 7. Battery drains to 0% even with iPad in sleep mode. Called Apple-they had me clear it. Battery charge held that night. Restored from iCloud. Charge not holding again. Any similar events? What to do?

Upgraded iPad 2 w/IOS 7. Battery drains to 0% even with iPad in sleep mode. Called Apple-they had me clear it. Battery charge held that night. Restored from iCloud. Charge not holding again. Any similar events? What to do?

Upgraded iPad 2 w/IOS 7. Battery drains to 0% even with iPad in sleep mode. Called Apple-they had me clear it. Battery charge held that night. Restored from iCloud. Charge not holding again. Any similar events? What to do?

Will Apple fix the iOS 5.1 battery drain issue?

People keep giving battery saving solutions to the iOS 5.1 battery drain problem but that is not the issue. With iOS 5.0 battery life was terriable. Apple quickly fixed it with 5.01. Now with 5.1 battery life is back to terrible. I could go at least two days without a charge. After the update (and all my patterns and behaviors being the same), I don't even get a full day! Apple needs to fix this! Or allow us to go back to iOS 5.01. Will Apple fix this and if so how soon can we expect a solution?

Yes, you need to setup the phone as new. I understand your issues on the whole process of setting everything from scratch, I'm afraid that's the only way out. However, if you look closely, on the whole, it boils down to following issues only.
Contacts - You will get this back once you setup your iCloud account on the phone so it shouldn't be a great issue.
Apps - Do a transfer purchase to your mac/pc before going for firmware complete reset, once you set the phone as new, you can always sync back the apps. This beats the inapp things like game levels, or your pdf docs synced earlier. iBooks can be restored, otherwise enable document and files backup to iCloud in settings before resetting the phone, then you can get everything back from iCloud.
Mails - If you have a mac you can keep all your mail accounts configured on Mail.app, post install you can bring them back from Mail.app to phone easily; otherwise, I'm afraid you need to do everything manually
Settings - you will have to setup your wifi configuration, VPN if any manually from the scratch
Dispite all the hasseles listed above, the battery fix would be a hot sun on the face in a winter day. Go for it!

Battery Drain Iphone 6 after Upgrade to IOS 8.3

Hi,
After upgrading my IPhone 6 from IOS 8.2 to IOS 8.3 couple 2 days ago, I'm keeping the IPhone on power adapter, unbelievable battery drain.
I did everything I can to prevent running out of battery:
- Brightness
- Background applications
- Reset all settings
- Select the carrier manually, by the way I have a 4S still on 8.1 the Carrier is showing full bar and the IPhone 6 is showing 2 bars out of 5 only.
- I restored the IOS 8.3 from ITunes again
- The funniest thing that I’ve set it to airplane mode but the same, what it means that the carrier and wireless are not consuming the battery life only it is something related to IOS 8.3
I check the applications consuming the battery, the surprise was when not using the iPhone it is showing the “Home Lock Screen”.
Any Idea if there is a fix for this issue, or any news about a new IOS fix that will be released soon?
Or should I be connected always to the power adapter?
Regards.

Yes, I have the same problem. Before upgrading to 8.3, my iPhone 6 battery can last 2 days. However, with 8.3, I have to charge my phone every 12 hours. It seems the problem is from the background applications, cause the battery keeps dropping quickly even if I don't use the phone. I have turned the background applications refreshing off to see if it would fix it temporarily.

Ios 6.0.1 battery drain iphone 4s

ios 6.0.1 iphone 4s battery drain on call,wifi,standby
i ithink ios 5 was batter thn ios 6 in this battery issue i jast want to know there is any solution???

This Apple page has tons of tips for improving battery life -> Apple - Batteries - iPhone

IPhone 6 Plus & iOS 8.1 Battery Drain...

Hey,
i have 6plus 64gb, and installed new 8.1 ios.
i noticed clearly that the battery drains so fast. (Like %33 reduction)
After take a look at another iphone user's forums, too many people complain about the battery.
submitted for your information.

In most cases the problems when switching to a new iOS version are (as I had with my switch from iOS6 > iOS7):
- rogue app process (app not updated yet to iOS8/8.1) check Settings > General > Usage > Battery usage in percentage to determine which app is using much more battery although you haven't used it at all or much.
- settings in e-mail receiving is changed
- background app refresh (turn it off if you do not need it)
- location services (look carefully which apps you want to use this feature)
- notifications (look carefully which apps you want to use this feature)
- Facebook app
See also this great article about this.

My iphone 4s doesn't work with iOs 8. Battery drains very fast!!

After installing iOS 8 I'm starting to hate my smartphone. With iOS 7 the battery lasted until the evening while now barely reaches mid-afternoon with the same use of the phone and being careful not to leave apps in the background. I'm afraid to use the smartphone to save battery power ... frustrating!!
I ask Apple to release as soon as possible an upgrade to fix all the problems with iphone 4s or enable us to return to iOS 7.

Hi Massimo1973,
If you are having battery life issues with your iPhone, you may want to read over the tips in this article -
Apple - Batteries - Maximizing Performance
Thanks for using Apple Support Communities.
Best,
Brett L

Ios 8.2 Battery Draining

Hi All,
i have an iPhone 5s 16GB running ios 8.2 and i am facing a huge battery draining , even i did the following :
reduce motion closed
turned on increase contrast
turn off fetch mail
turn off blue tooth
using only 2G or 3G no 4G/LTE
decrease the brightness
no games
turn off location services
turn off hotspot
turn off motion & fitness
device only 4 months old and it's new not used so it's not a battery issue
anything that may drain the battery and it's still draining very fast so kindly Apple make an update to fix this
there is a lot of people i know are facing this so it's not a battery issue it's a software issue
please any advice or fix will be appreciated

Hello BuriedToaster,
Welcome to Apple Support Communities.
From what I gather, a short battery life issue has recently developed with your iPhone 5s. Take a look at the article linked below which provides a lot of great optimization tips that can help you get the most from the battery in your device.
Apple - Batteries - Maximizing Performance
Cheers,
-Jason

HT201412 Battery drain - iPhone is draining power fast

My iphone 5 is losing power fast - battery is draining. Haven't experienced this before. I've followed some basic steps to try and conserve powers within the settings features, but still drains fast. Concerned the battery may need to be replaced. Anyone else have this option - have any recommendations or trouble-shooting?
thanks

Hi Folks,
iPhone & iPad2 battery drain issue SOLVED!!!!!
I had a serious battery drain problem on THREE devices using different iOS .... it was a simple fix and had certain characteristics that you may be able to relate to ......
Devices;     16GB iPhone 4 with IOS6
                  16GB iPhone 4S with iOS7.06
                  32G iPad2 with iOS7.04
On or about Feb. 28th all three devices started to drain the battery like crazy losing about 20%/hour on the iPhones and 10%/hour on the iPad2 .... After messing around with settings, browsing forums and looking at what was common between the three devices I concluded the problem was with a single Microsoft Outlook/Live/Hotmail email account in the iOS native mail app .... I deleted the email account on all three devices (along with other unrelated Microsoft accounts on each device) and did a hard reboot (hold HOME and top LOCK button simultaniously for about 10 seconds until the apple logo appeared).
I then re-created the common Microsoft Outlook/Live/Hotmail account on all three devices in the iOS native mail app ...... SUCCESS! Now all three devices are behaving normaly with respect to battery drain ......
Hopefully this will be useful to others in this thread ..........

IOS 5 rapid battery drain (including in sleep mode), springboard crashes: FIX!

OK folks, I resolved all issues in their entirety with the help of a genius bar tech who recognized that I was very technical. WARNING! Sync or backup your phone prior to performing these steps!
First, do a MANUAL download here of the IOS 5 that matches the model of phone you have and save that image to your desktop or some other place on your computer. PUT THE PHONE IN DFU MODE, not recovery mode (google on how to accomplish if you are not familiar). The raeson why you are going to put in DFU mode is so that you will be able to not only get a good copy of IOS 5 installed but to ensure that your firmware is not corrupt, which appeared to be the case with my battery drains and springboard crash issues.
One you are in DFU mode (your screen should be black the whole time, again google), open itunes and it will give you a warning that says that your phone needs to be restored. If you are on a mac, hold down the option key and press RESTORE in iTunes. This will open up a box that will allow you to "locate and select" a file, which will be the IOS 5 image that you manually downloaded before.
Once you do, the iphone will start to restore. After all of the restore cycles have been completed, you will be prompted in iTunes to either setup as a new phone or restore from backup. I USED RESTORE FROM BACKUP so that I could preserve all of my settings. Everything has been working PERFECTLY ever since completing these steps! I will probably go ahead and make a separate thread related to this fix.
I hope this helps! Scott

Their is another thread in here that mentions turning off reporting of Diagnostics data (Settings --> General --> About --> Scroll to the bottom/Diafnostics --> Select Don't send.
Another item to check are you E-mail accounts. If you only have one account in this section then you should be good. If you have multiple and have every feature turned on (Contacts, Calendars, Reminders, etc) then your device could be trying to update to all and timing out which would get it to retry over and over again. I have turned off all the other features for my email accounts with the exception of iCloud and my battery life is looking good.

HT4528 iOS 7.1 battery drains quickly

Just using instant messenging the battery drained something like 20% during a 10 minute chat. Suggestions on why this now happens after I updated software on iPhone 4S. thanks.

Hi there ruthfromspringfield,
You may find the information in the article below helpful.
iPhone and iPod touch: Charging the battery
http://support.apple.com/kb/ht1476
About battery life and the battery
Battery life and number of charge cycles vary by use and settings. Find more information about batteries for iPhone and iPod.
Find information on how long the battery is expected to last between charges.
Rechargeable batteries have a limited number of charge cycles and may eventually need to be replaced.
-Griff W.

After updating my iPhone 5 to ios 7 my battery drains quicker than before is it a bug?

Before the update my fone would last the whole day now after iI got off of work it was dead it's a pain dealing with this is it a bug or what??

I had the same thing yesterday. After google gave me nothing and after I was sure my phone had enough charge to restart, I did a reset on my phone...
Holding down the Power button, volume button and selector button on the front - for about 30 secs (or untill I knew the beeping had stopped).
I cant remember if I then restarted it or it it restarted itself, but now its back to normal! No memory loss from the phone either.
Freeked me out as its a new iphone 4s but glad to have it back! Without having to take it to get fixed by a pro.
Hope that helps

Upgraded to ios 7.1 battery drain is significant and have lost my calendar events. how do i get my events back and why am i losing so much power now?

how do i get my calendar events back and why the power drain after upgrading my operating system to 7.1?

Thought I'd reply to this seen as no one else has, I am also experiencing very similar problems with my 4s and by the looks of it is it's across all handsets. I've never had any battery issues with my iPhone even 7.0.6 was fine, but since updating to 7.1 the battery is ticking down very fast. I fully charged in the morning and left it in my locker all day at work when I got my hands on it it's gone down to 52% just on its own!!
I really hope they sort this out fast the irony is 7.1 was supposed to help battery life!

Since I did the iOS 7 update on my iPhone 4S my battery drains quickly. Any suggestions

Since I updated my iPhone 4S to iOS 7 my battery drains quickly. Is there something I can do in settings? Other than adjust my screen brightness and turn off Bluetooth. Can I uninstall iOS 7?
iPhone 4S, iOS 7

http://osxdaily.com/2013/09/19/ios-7-battery-life-fix/

IOS 7.1 battery drain iPhone 4S

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