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Why is the iOS 5 Beta destroying my battery life?
I've gone from getting around 8-9 hours usage time on my iPhone 4 with 4.3.3 to a max of 4 hours on the iOS 5 Beta (v1). Anybody having these issues or found a fix?
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All of the above may help, but if you don't want the hassle of running a clean install (and losing all your game saves etc in the process) then the best solution to the power hog issue seems to be to disable the weather and stock apps from the notifications drawer.
Seems silly, but the weather app in particular seems to put the OS into a spin, constantly polling the GPS. Using geofenced notifications is a killer for the same reason.
Hopefully these issues will be tweaked in a later build (eg by approximating location from cell tower info rather than GPS, so that they don't punish the battery so hard...) but for now, you are best to just turn them off. Took my iPhone 4 from a disastrous 4 hours battery life, right back up to iOS4 levels. No clean install required.
Seems silly, but the weather app in particular seems to put the OS into a spin, constantly polling the GPS. Using geofenced notifications is a killer for the same reason.
Hopefully these issues will be tweaked in a later build (eg by approximating location from cell tower info rather than GPS, so that they don't punish the battery so hard...) but for now, you are best to just turn them off. Took my iPhone 4 from a disastrous 4 hours battery life, right back up to iOS4 levels. No clean install required.
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Very good question. I have yet to be able to pinpoint it, but I have a theory. I too have had battery issues with it. For one, I turned on Mail notifications on the lock screen. This means every time I got an email the screen lit up. If you did this that could be your problem.
The other ting I noticed is that the battery seemed to drain after using the music app. I think force quitting the application (either calling up the multitasking bar and pressing deleting it from the dock or the old method--opening the app, holding the power button and then holding the home button until the home screen shows up).
I've been rebooting the phone every morning just to make sure all processes are restarted.
But the important thing to note is this IS a beta. It's likely caused by a bug. Apple warns developers not to run this software on hardware they use primarily because of these bugs.
The other ting I noticed is that the battery seemed to drain after using the music app. I think force quitting the application (either calling up the multitasking bar and pressing deleting it from the dock or the old method--opening the app, holding the power button and then holding the home button until the home screen shows up).
I've been rebooting the phone every morning just to make sure all processes are restarted.
But the important thing to note is this IS a beta. It's likely caused by a bug. Apple warns developers not to run this software on hardware they use primarily because of these bugs.
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Apparently it is extremely important to setup iOS 5 as a new device and not restore from backup. Doing this helped out on the smoothness and the battery life; it is still not as good as 4.3 but it is to be expected in a beta.
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I noticed this at first too, but over the last two days, it seems to have balanced out again back what it was before. I'm not sure what was going on, maybe I was just playing with my iPhone more because of the new software.
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As promised, thought I'd follow up my test with the battery life.
A clean install of iOS5 certainly DOES make a difference to the battery life. I don't know how, but it does!
Also - I've tweaked some notification settings which helps.
I've kept some in the Notification Centre only - Rather than notifying me on the lock screen.
This saves some battery as it doesn't switch on your screen - I think a lot of email notifications can make a BIG difference on battery life.
A clean install of iOS5 certainly DOES make a difference to the battery life. I don't know how, but it does!
Also - I've tweaked some notification settings which helps.
I've kept some in the Notification Centre only - Rather than notifying me on the lock screen.
This saves some battery as it doesn't switch on your screen - I think a lot of email notifications can make a BIG difference on battery life.
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I noticed it too. I was thinking that at least some of it had to do with my screen coming alive for every lock screen email notification which does not happen under 4.3.3.
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