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iOS 4 Causing iPod Touch Battery Problems

- By - Source : Tom's Guide US

Something is going on with the iPod Touch (2G,3G) and iOS 4.

iPod Touch owners are flocking to the Apple support forums after installing the latest update, iOS 4. For users who bought the more recent third generation device, the upgrade provides a robust lineup of new features including multistasking, folders, home screen wallpaper, Bluetooth keyboard support, and more. For second-generation owners, the update isn't quite as generous, leaving out the wallpaper, keyboard, data protection, and multitasking support.

Hey, at least it gets iBooks.

In a topic called Low battery life on iPod touch after installing iOS 4, users are stating the obvious: iOS 4 is consuming tons of battery store. "My iPod Touch (2nd gen) is completely charged when I go to bed, but when I wake up in the morning it is completely drained and non-responsive," reads one complaint. "This never happened under pre-iOS 4 releases."

One third generation owner echoed the same complaint. "Absolutely the same with my 3rd gen iPod. Go to sleep with nearly full battery, wake up with a nearly empty one," said DrWig. "This update has crippled my iPod. I really hope the restore feature works to get me back to os3..... My iPod clearly isn't going into standby like it used to."

As of this writing, there are thirteen pages just in that particular topic alone. Other topics on the Apple Support forum include iOS 4 seems completely to have wiped out my 3G iPod Touch and iOS 4 Killed my iPod 2G WiFi. As for the battery drain, it's speculated that multitasking is eating away at the battery, however that's not possible on the second generation device. The Wi-Fi connection itself may be the issue, as it now stays connected when the device goes into sleep mode.

As an owner of the second generation version, I just installed the new OS last night. It was fully charged when I finally crawled into bed, and twelve hours later--with Wi-Fi, push notifications, and location services still on--the battery looks to have retained most of its charge. So far I haven't seen any problems, however I was forced to revert the device back to its factory settings prior to the upgrade because the initial backup process was taking more than three or four hours. I didn't have this problem with the last OS update.

So what exactly is killing the battery on these devices after the update? Some suggest that Wi-Fi should be kept off until needed. It may have something to do with a bug in the OS, or some kind of corruption residing on the device prior to the upgrade. So far Apple has not commented on the problem.

UPDATE: I can now officially confirm the battery issue. As previously mentioned, the battery consumption seemed normal twelve hours after the iPod Touch 2G was updated and charged. However, just minutes ago, I tried to turn it on and it was completely dead. I haven't used it since iOS 4 was installed (outside updating apps and downloading iBooks, but that was within the initial 12 hours). Typically the charge will have a duration of (seemingly) weeks when left unused--I've never seen the device lose a full charge after sitting idle for less than two days.

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Anonymous 07/02/2010 11:32 PM
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ms was wrong apple products doesn't just work
the only thing that is sure to work at apple is the billing department. download EJukebox today and get off the iTunes money machine

Coolio_Alert 07/02/2010 11:33 PM
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Oh thank god, I thought I was going crazy!

orionite 07/02/2010 11:35 PM
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I did have the same feeling on my iPhone 3gs. I haven't measured it, but the battery subjectively seems to not last as long.

maloy4life 07/02/2010 11:44 PM
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apple installed a battery draining virus that kills your battery life and forces you to spend more money on newer products...i am no longer a apple fan and will boycott there products, everyone should do the same.

xbeater 07/03/2010 12:24 PM
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Anonymous 07/03/2010 12:39 PM
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A fee things drain your battery faster, the biggest being persistent wifi that keeps the wifi on at all time. That us the biggest drain on the battery. I turn off the wifi on my iPod 3G and it lasts almost like it used go overnight. Folders and wallpaper also seem to eat up battery life for some reason. I used to have two pages of folders and got it down to one and noticed that my battery life got longer with fewer folders spread across fewer pages. To be honest I was expecting a shortened battery life. It happened in the is 3 upgrade with push notifications. It wasn't as drastic but it was still there

fjjb 07/03/2010 1:10 AM
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Just Buy our brand new extended batteries sold on apple or just turn it off after use. maybe you are holding it the wrong way, ooh i forgot you where sleeping... well just place it somewhere else!

...Steve Jobs

joytech22 07/03/2010 1:16 AM
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OMG MY BATTERIES DYING TOO FAST!!!

Jobs: Your holding it wrong.

Anonymous 07/03/2010 1:36 AM
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I have this problem on my 3g Ipod Touch 8gb. The solution: TURN OFF YOUR WI-FI when you are not using it. iOS4 does not automaticallly shut off your Wi-Fi, even when you power off. It's pretty lame, hopefully they fix this soon with an update.

r0x0r 07/03/2010 2:00 AM
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A: Who the hell keeps wi-fi (and bluetooth) on if they aren't using it? They're notorious for draining batteries!

B: Dude, it's iPhone

A: Oh...

jimslaid2 07/03/2010 2:03 AM
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Yeah I re downloaded 3.1.2 and modified my hosts file and put my ipt back after upgrading to 4.0. It gave me reception issues with wi-fi and killed my battery. Too bad I had to go the unofficial way to revert back to a more stable ios.

jimslaid2 07/03/2010 2:14 AM
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BTW that's an iPhone on the picture not a iPod Touch

arvedui 07/03/2010 2:19 AM
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I had the same problem with my iPod Touch when I upgraded to iOS 4. I just turn airplane mode on when I'm not using it, and when I need to use wifi, I switch it off. My battery life went back to normal after that. So the problem is almost certainly with the wifi being on all the time, and Apple needs to make that an option.

pacostrano 07/03/2010 3:09 AM
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Its was doing the same thing when I was on 3.1.2 on my Ipod touch 2nd gen all those push is killing the battery.

orionantares 07/03/2010 3:59 AM
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I wasn't upgrading to iOS4 on my iTouch because of the iAds. I guess this just gives one more reason not to upgrade to iOS4.

micmic 07/03/2010 4:01 AM
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Hi to all

Good thing this issue have been address already - my issue started after a week when i updated my ipod touch 2nd gen to iOS4 - yes this problem is real and i have troubleshot it quite few times to determine if it is a hardware issue or software -

I notice this once that when brightness, push notification, wifi is turned on all the time (right now im using iOS4) after i lock the system or goto standby mode - after 1 hour of just plainly my ipod touch is on standby mode - my battery is down to 20% already - so what i did - i restore completely my ipod touch to factory default (if planning to do this - i would recommend not to unless just for the sake of experimenting)- with still iOS4 installed - no apps installed (except for default ipod apps) - wifi off - no push notification, everything is working fine on my ipod touch when it is on standby mode - but once wifi, push and even just downloading apps from the istore - the battery meter goes righ away to 50% and then 20% the battery seem does not want to hold the charge, this with in 20 min of use. i tried to completely drain my ipod touch - problem is when it is completely drain - "sometimes" when i charge my ipod touch my system will not detect it (using Windows) , it gives me the apple screen of death - so what i have to do is restore it again - so im going on a loop here to figure out how to fixed the issue -thank God that im not the only one is having this problem - this is a real problem of the iOS 4 for ipod touch users 2nd gen - right now i have will go back to the istore and have them it downgrade it back to ios3.1.3 - i could remember that when i just have my ipod touch lock - it can go standby to more than 24hours but with the iOS4 - hope a fixed will come soon.....

jezzarisky 07/03/2010 8:16 AM
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I have iOS 4 on my 3G ipod Touch (32GB)and I have left it for days, only occasionally playing music for maybe an hour here and there, and have never had a need to charge it. I don't keep bluetooth, or wifi on. However I have had minor problems with itunes v9.2 such as when the ipod is connected it doesn't report on the little battery icon if its charging, my ipod won't automatically sync until I awaken it, and it was trying to authorize my computer again to the itunes store(I only noticed because I'm on my fifth computer and it won't let me have six computers running my still DRM music)

big_BDS 07/03/2010 2:08 PM
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Fried my iphone 3Gs too

wintermint 07/03/2010 10:28 PM
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Not so magical now huh?

jescott418 07/04/2010 1:34 AM
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Personally i think apple is failing to properly test their new products and software upgrades. Are they in too much of a hurry to get it out the door? This sounds more like what Microsoft would do.

c210pilot 07/04/2010 1:51 AM
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Didn't see anyone else mention this, but on the iPhone 3G, os4 SLOWS down the loading of apps, especially NATIVE iPhone apps. The one example that I know is repeatable is tapping the Messages app. This app takes about six seconds to load (or by hitting REPLY when I am in another app), whereas on the previous OS, it was an almost instantaneous load.

kareemkareem 07/04/2010 12:34 PM
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it's been 10 days since I switched to iOS 4.0,
this morning my Ipod Touch 32GB 3rdG doesn't seem to work anymore,
it refuses to switch on ... Does it mean the battery is dead??
Has anyone else experienced the same issue?

nxym 07/04/2010 3:17 PM
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i updated my ipod to iOS 4 and my battery drains out too fast. i double checked if it was software problem or hardware problem after concluding it was the iOS problem. i was furious. i contacted steve and asked about the battery problem.

He said i was holding it wrong.
I said no i wasnt
He again said i was holding it wrong.
I said no i wasnt
He again said i was holding it wrong.
I said its an ipod.
He said OH!
then no reply.......

rohitbaran 07/04/2010 8:41 PM
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maloy4life :
apple installed a battery draining virus that kills your battery life and forces you to spend more money on newer products...i am no longer a apple fan and will boycott there products, everyone should do the same.


Better late than never! :D

matt87_50 07/05/2010 2:50 AM
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what is there to say... Apple has done well to gain the majority of the "technically incompetent rich person" market. meaning they can make what ever shit they want and charge what ever they want, then say what ever they want and their customers will believe them. this is why they have never been about taking over the world with general market share: why bother with the part of the market that demands competence and good value when you can just make loads more money off the former?

Anonymous 07/05/2010 3:06 AM
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I am another iPod touch user with the same battery problem. The rapid drain seems random. Some nights the touch lasts fine, and on other nights the battery is depleted to 20%. Sometimes a drain of 40% occurs over 3 hours even though the touch is not being used. Charging after such an incident requires only a relatively short time to full charge. This may indicate that part of the problem may be incorrect reading of the true battery level.

Anonymous 07/05/2010 5:10 AM
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Me too. Battery is now useless. Apple must fix this or replace out batteries for free.

Regulas 07/05/2010 1:59 PM
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Apple had better wake up and quit putting these trash updates and messed up hardware (antenna problem) or they will loose their followers.

zaznet 07/05/2010 4:44 PM
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orionite :
I did have the same feeling on my iPhone 3gs. I haven't measured it, but the battery subjectively seems to not last as long.



That was what I expected as the main "feature" of iOS4 and why I haven't upgraded my iPhone 3G and likely never will. There is not real benefit for the 3G phone since most of the features are disabled.

zaznet 07/05/2010 4:48 PM
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kareemkareem :
my Ipod Touch 32GB 3rdG doesn't seem to work anymore,it refuses to switch on ... Does it mean the battery is dead?



Yes. It should turn on after 2 hours charging on the USB cable connected to a PC.

KingArcher 07/05/2010 5:34 PM
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Quote :One third generation owner echoed the same complaint. "Absolutely the same with my 3rd gen iPod. Go to sleep with nearly full battery, wake up with a nearly empty one," said DrWig.


Guess what apple is gonna say????
It's a problem with the software that calculates the remaining battery. It shows 2bars more that there actually is.