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Low battery life on iPod touch after installing iOS 4

747338 Views 2,018 Replies Latest reply: Mar 14, 2011 12:21 PM by Jason L RSS
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w5rkn@amsat.org Calculating status...
Currently Being Moderated
Jun 23, 2010 11:32 AM
After installing iOS 4 two days ago, the battery discharges overnight (3 nights) even with minimal useage. Before installing iOS 4, the batery life would be 4-5 days with similar usage.
iPod touch 2nd gen, iOS 4
  • cliff Level 2 Level 2 (285 points)
    Is your wifi on? It's now persistent so you're always drawing that charge.
    MacPro/Dual G5/G4/Macbook/iPods/Lots of old cables, Mac OS X (10.6.2)
  • TMO1 Calculating status...
    Currently Being Moderated
    Jun 23, 2010 12:15 PM (in response to cliff)
    I agree, check your wifi. But on another note double click your home button and close out any apps still running. To do this double tap the home key and hole any icon that appears there until it shakes, then click the minus sign that appears there.
    HP Pavilion Dv7 640gb HDD, 8gb ram, Windows 7, 3gen 32gb ipod Touch iOS 4, 120gb ipod classic, 3gen ipod nano 4gb
  • dgcurtis Calculating status...
    I can say that I am also seeing very similar battery life after upgrading iOS 4. I used to be able to go at least a week (usually 2) before recharging but now I am noticing it draining down to 2/3 after 6 hours of use. I have checked to make sure wifi is off.

    Doug
    iPod Touch, iOS 4
  • Tim\'s Tree Level 2 Level 2 (170 points)
    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.

    This never happened under pre-iOS 4 releases. It's really unfortunate because otherwise I prefer the new OS.
    Mac Mini (late 2009), Mac OS X (10.6.3), iPod Touch 2nd Gen
  • DrWig Level 1 Level 1 (0 points)
    Absolutely the same with my 3rd gen iPod. Go to sleep with nearly full battery, wake up with a nearly empty one. This update has crippled my iPod. I really hope the restore feature works to get mr back to os3..... My iPod clearly isn't going into standby like it used to
    iPod, iOS 4
  • FredCG Calculating status...
    I am having the same issue on a 2nd Generation iPod Touch. I just noticed it this morning, and it has been consistent throughout the day. The discharge has been relatively rapid. I have not experimented with different modes to see what makes a difference, but before I could go all night with almost no drain no matter what I had been doing the night before. Last night it dropped to almost zero. I'll check back here and also hope Apple has some recommendations (or a patch).
    2 GHz Intel Core Duo iMac, Mac OS X (10.5.1), 2 Gigs Memory, 500 GB Hard Drive
  • DrWig Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jun 23, 2010 2:08 PM (in response to FredCG)
    looking at other posts in this forum, it seems that Apple has kept the Wi-fi on while the iPod is asleep. If they really have chosen to do this on purpose, then they are very silly indeed, and would completely explain why the battery is draining so fast!

    I'm attempting to downgrade now.....although I'm not hopeful as many have said once you've gone to 4.0 you're stuck there!
    iPod, iOS 4
  • DrWig Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jun 23, 2010 2:10 PM (in response to DrWig)
    As has been reported elsewhere....you can't restore to 3.1.3......trying 3.1.2.......
    iPod, iOS 4
  • james1231 Level 2 Level 2 (335 points)
    Wifi, bluetooth, location services, push notifications, and even very high screen brightness will run down the battery.

    Just use airplane mode when you are not using your ipod for a longer period of time. It will turn off wifi,bluetooth,location services.
    Windows 7, 64bit os; Ipod Touch 2nd Gen
  • DrWig Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jun 23, 2010 2:24 PM (in response to DrWig)
    nope....can't restore to 3.1.2 either.....bugger.......
    iPod, iOS 4
  • DrWig Level 1 Level 1 (0 points)
    Thanks for the tips, James.....so now it takes five clicks to close a program, as opposed to one, and at least three to put the device to sleep, rather than one......isn't iOS4 great

    You have answered one question I had, though, which is 'what's the point of Airplane mode, then?'

    Message was edited by: DrWig
    iPod, iOS 4
  • dlee099 Calculating status...
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    Jun 23, 2010 2:32 PM (in response to cliff)
    cliff wrote:
    Is your wifi on? It's now persistent so you're always drawing that charge.



    Can anyone tell me whether this persistent WiFi on iOS 4.0 works on the 2nd generation iPod touch? I upgraded my 2nd generation iPod touch (8GB) to iOS 4.0 to take advantage of the persistent WiFi. It does seem to work, but I want to make sure; no one is giving me a solid answer.
    Dell Inspiron 1525-122B (laptop), Windows 7, 3GB RAM, Ultimate 32-bit OS, Intel Core 2 Duo 2.00GHz, BIOS Version A17
  • janericster Level 1 Level 1 (5 points)
    Same problem on my 2G iTouch with the iOS4 upgrade. TERRIBLE battery life! Apple should be ashamed of themselves for launching the upgrade without proper beta testing -- for sure this would have been an issue during testing.

    Going back to 3.x and will miss the folders, but at least my Touch will retain a charge longer than 10 hours while in sleep mode!

    Sigh.
    iMac 3.06 GHz; 8GB RAM; with 2nd 24" LED Cinema Display, Mac OS X (10.6.3)
  • tBone97 Calculating status...
    Yeah, I'm having the same issue with my iPod 3g. I used to get about 12 hours straight music play, with my wifi on. Now I'm lucky to get 8, even after closing all apps.

    Turning off wifi seems to help a bit, but there seems to something else in the background that is draining the battery.
    iMac, Mac OS X (10.4.10)
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