Could Exchange be a cause of the battery drain issue with 3.1.2

I've never had a significant battery drain issue until I upgraded to 3.1.2. This started four days ago, when I've been relying on 3G more rather than WiFi since I've been out of town. I just changed my work e-mail Exchange from push to fetch every 15 minutes, and it seems to have improved some of the battery drain problems. I haven't done the experiment yet of switching back to push. Any other similar experiences out there?

There were reports some time ago of incorrectly configured Exchange servers sending out too many push messages, thus draining the battery faster than normal.

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How can I fix the battery drain issue on my iPhone 5s? it started when an updated to iOS 8.2 and upgrading to iOS 8.3 still did not fix it.

how can I fix the battery drain issue on my iPhone 5s? it started when an updated to iOS 8.2 and upgrading to iOS 8.3 still did not fix it.

Search this forum. Your issue has already been addressed ad nauseum.
Best,
GDG

I think i have solved the battery drain

like many of you i have been plagued with the battery drain issue after 3.1.2.
i believe what is causing it is mobile safari.
we know that w/3.0 an anti-phishing feature was added and by default it is turned on settings>safari>fraud warning.
the way it is supposed to work is you connect to wifi>plug into charger> open up safari> and turn screen off. it is supposed to download the anti-phishing database while the unit is "off" and charging.
i believe part of it is broken.. i believe it is downloading even when it is not plugged in.
this explains all the symptons all the "cures"
what i did last nite was to follow apples directions turned on wifi-plug into charger-open up mobile safari and turned off screen.
to test i went to a known phishing site: tinyurl.com/ratju4 the anti-fraud warning popped up - the database downloaded.
since 6 am this am - i've been out for a run- used the gps to track it and listened to music at the same time, spent 1/2 hour reading emails and google reader @ breakfast since 6 am i have 1 hour 40 minutes of usage and 3 hours 12 mins of standby and 73% left on the battery meter
i assume if you turn off the antifraud feature you will get the same beneftits

Ok, so is this only a issue if you charge your phone by the wall charger? I normally always charge my phone through the USB cable on my iMac.
And I too would like to know if there's a way to find out if the database has been downloaded or not.
How long does it take to download the database after you have connected via wifi, turned on safari and locked the screen?
I don't see any anti-phishing settings anywhere in the settings menu. So would turning the
fraud warning to "off" do the same thing?
I'm really hoping that this works because the battery drain is a huge pain in the butt, and Apple seems to be completely unwilling to replace my phone. They say they don't replace phones for software issues or problems caused by software(even when it's their software!). Load of bollocks if you ask me.

When will the battery drain be fixed on the 4s. I don't get a full day out of it unless I don't use it much.

Has anyone heard of when Apple will resolve the battery life issue with the Iphone4s? Mine does not last a day if I use it as I normally would.

iOS 5.1 is currently in the works with Developer Beta last I heard from news sources. Your better option is to have handy chargers wherever you go. Consider also purchasing a battery case from many websites. Mophie makes a battery case that fits both the i4 and 4S for $90, but it's worth it. It uses a Micro USB charger that fits on several Bluetooth headsets as well. So you don't need more than one charger.

Are battery drain issues fixed in 6.1.3?

I realize it only came out a few hours ago, but can anyone confirm if the Exchange bug that wasn't completely fixed in 6.1.2, and/or the iCloud Document Sync over cellular were fixed in 6.1.3?
Thanks!

Good evening all,
I too am an Apple Developer and have been messing with these devices for a while. I can attest that 6.0.1 was the most stable and efficient iOS v6 I used. I have a 4S and a 5, both ran 6.0.1 until the "exchange bug" was fixed. I am sorry I upgraded my 5, because I see significant battery drain issues with or without Exchange configured. I have restored from DFU, Reset All settings, turned on and off all settings, etc (every trick on the forums) I test and tune for a living and clients complain to me and ask for a fix, so I do the best I can. My 4S with the SAME configuration as my 5, lasts FOREVER! When a phone works perfect, and one "upgrades" software and sees problems, 100% is related to the software, not hardware. Unless the software is not compatible with the hardware, then I would make the safe bet and say the software is the culprit, def an Apple realted issue IMO.
The reason for Apple to change the software on devices is because it changes how the hardware functions. Without software, our hardware would be nothing more than paper weights. Working with software for years I know its hard to get it perfect for millions of users. Apple has their work cut out for them. I don't expect perfection, but it would be nice to build on a good foundation. I thought they finally turned the corner with 6.0.1 but 6.1.2 is a painful reality for people whom truly rely on their mobile devices. Have faith, because 6.1.3 from a restore from a "new phone" has been working smoother for myself..so far.

Massive battery drain issues after the latest software update - phone hot

After the latest software update (to the NI2 version) I have massive battery drain issues. The phone also stays hot. Even when I don't actively use the phone it seems to stay "awake" according to the stats. When I disable all data (Wifi and/or 3G/4G) it's perfectly fine. Does anyone else experience the same issues or has recommendations?

Is the device trying to sync all your photos with the cloud?
This is what I would do.
Back up your photos and music onto a personal computer. Copy down important settings like for your email, and contacts you can't risk losing.. even icon placement of important apps. Diagram it out.
Then perform a Factory reset on the device. Alternatively you might find the procedure for wiping the low level cache of the device posted in other posts on the site. That might fix the problem and avoid you losing settings and content on your device.
Extremely bizarre behavior post updates are usually associated with low level cache issues that cause the OS to behave poorly. Some people have reported their phones running hot and that could mean the radio is on constantly attempting to back stuff up to the cloud our restore stuff.
Good luck.

What is going on with 6.0.2 exchanged two phones today in store all with battery draining issue problem

Guys, what is going on two phones exchanged in store today all had battery draining problems once phone updated to iOS 6.0.2.
First phone wouldn't last 3 hours usage even in plane mode function.
Second phone bit better battery life 3 hours 15 minutes usage No Apps installed on both phone and location turn off even setup as new phone.

First of all, why did you say yes to Nero Back up before researching what it does with files already on the HDD? When I install Nero, the Back Up is the first thing I disable, it is a nagging pain, there are much better backup programs available. There are several file recovery programs out there to recover deleted files, that is, if that is what happened. Also, if you haven't overwritten the files, so you should be able to find them.

Update my iphone and now the battery drains very quickly

update my iphone and now the battery drains very quickly

my battery started draining after 4 or 5 hours on iPhone 4 8GB with little or no use. It was suggested in some of the threads I consulted that it might be related to a server malfunction on an email account, and to delete the account, hard boot the phone, and re-install the account, Sure enough, this worked for me. Charged at 100% at 11pm and got up next morning at 6am at 100% ( turned the email push notifications to OFF as well ) The previous 2 days I would get up and there would be less 10% battery life. A few days before this problem started my email provider had a server issue with Outlook, I couldnt get emails to and from that account to load on my iphone, so I suspect that this was the problem; iphone and or email provider was still trying to get those emails and this was causing the drain.

Iphone 4S resets itself every few min - the battery drains in an hr.

My iphone 4S is resetting every few minutes as a result the battery drains in an hour.
By resetting I mean, the lock screen would show up, then the apple sign would come up like when you start your iphone, searches for the network etc. This happens every few minute even when the phone is on standby or when I am using it. If I am on the call, then the call gets disconnected because the phone is resetting.
The usage always shows "-" for both Usage and Standby with the message that the usage time will be shown after iphone is fully charged.
This started only a month ago when my phone was not on the latest os version. But now it is on the latest but the problem never did go away. It never fell out of my hand or fall into water and is barely a year old (just 10/15 days over the warranty period).
Please help!

And I should mention that I took the foll steps so far:
1. Let the battery drain out completely and charge it overnight
2. Backed the phone, then reset the phone and restored from backup.
3. Took it to the apple store and they did a different kind of restore but no luck
The only thing left for me to try to is to reset it to factory setting unless some one can suggest some other way.

Why is the battery draining so fast?

Everything in safari is shut down, all multi-tasking is turned off too. My phone is only 7 months old & has worked fine up until today when I noticed the battery draining so fast.

@ neeraj_96 - Thanks for the input, but that's not the issue. As I was saying in my reply, my phone has had a wonderful battery life up until yesterday. This has nothing to do with turning off fetching or lowering my brightness. I have done no major changes in the settings to my iPhone since yesterday, but now all the sudden I can barely hold a charge. I completely charged it last night to 100%. This morning I woke up and it was at 56%. My wife has an iPhone 4, hers was at 96% and this morning it is at 91%. Something is definitely up with my phone's battery that is not a normal operation.
I have tried to do a complete reboot of the phone (holding the power button and the home key down for 10 seconds) and that has not solved the problem. I would suspect that it's an application running in the background, but I figured, as @williamformlouisville stated, that would have killed any rouge application draining my battery, but it has not helped. This is definitely not normal for this phone's operation.

I was updating my ipod and its frozen on the update circle until the battery drains. What should i do? I already tried reseting it does'nt work

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Try:
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- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
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- Try on another computer
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Apple Retail Store - Genius Bar

Hey guys, so I have a DVD stuck in the CD drive on my mac. It reads it as being in there, but I cannot eject it and it is causing my a lot of issues with my mac. If i try to eject it, Finder acts up and I have issues saving projects or even browsing files

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I have just got my new iPhone 4 white and the battery drains quicker than it should. How would I fix this?

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So based on that you're saying around 6 hours discharge? That sounds about right if you're on the web using 3G. Games and apps eat up the battery faster.
Talk time:
Up to 7 hours on 3G
Up to 14 hours on 2G (GSM model only)
Standby time: Up to 300 hours
Internet use:
Up to 6 hours on 3G
Up to 10 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
Knowing what you were using it for would help

Why is the battery draining 10 percent faster with iOS 7?, Why is the battery draining 10 percent faster with iOS 7?

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Download the manual for iPad with iOS 7 here:
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If you want to complain to Apple, use this procedure:
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Solved!
Go to Solution.

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Could Exchange be a cause of the battery drain issue with 3.1.2

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