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Low battery life on iPod touch after installing iOS 4

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

Posted on Jun 23, 2010 11:32 AM

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2,018 replies

Jun 23, 2010 1:50 PM in response to w5rkn@amsat.org

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).

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!

Jun 23, 2010 2:27 PM in response to james1231

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

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.

Jun 23, 2010 2:48 PM in response to dlee099

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.

Jun 23, 2010 8:27 PM in response to janericster

The funny thing is, I beta tested all of the versions of iOS 4 and the final release has the worst battery life of them all. The best versions in terms of battery life were B1 and B4.
The battery life for the final build is terrible. With minimal usage I now have to charge it 2x a day (while before it was only 1x a day).
This issue needs to be fixed...FAST.

Low battery life on iPod touch after installing iOS 4

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