Is your iPhone 3GS battery draining too quickly on iOS 4.3.1?

I upgraded my 3GS to 4.3.1 a few days ago and haven’t noticed any major changes in battery life, but some users on the Apple forums are showing pretty dramatic drops (100% at 7 AM to 1% at 4 PM — mostly on standby).

If you’ve been experiencing this strange battery drain, rumour has it you might not have to wait too long for a fix, as BGR has heard that iOS 4.3.2 will be here within the next two weeks. A battery fix hasn’t been mentioned explicitly, but if there is another dot upgrade coming out, that will likely be one of the included fixes, since dead iPhones tend to be fairly useless iPhones.

[via Macgasm]

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  • JD

    Yes. It was happening to my 3GS which had worked quite well up until I performed update 4.3.1. In fact, my whole phone was riddled with errors (the screen would freeze, touch would be unresponsive and apps would crash constantly) after the update. Then, I noticed while watching a movie that my battery would go from 60% to completely dead and off in 2.5 hours of being on standby. It was absolutely absurd. At the time, I did not realize it was the update that was causing the problem.

    I thought it was due to the phone’s age (although I thought it was too early at first) as it was 20 months old or so I just bought the iPhone 4.

    However, after doing 4.3.1 on iPhone 4 yesterday, I’m having the same battery life issues. Just this morning (7:30am) my phone was at 100%. It’s now 9:30am and the battery is at 74% and it’s been on stand-by the whole time. My screen brightness is all the way down, auto-brightness off, all my push notifications are off, I kill the apps in the bottom bar when I’m not using them, wireless is off and even turn off 3G when I am in areas with good service. I put my phone on airplane mode about 15 minutes ago to kill all wireless activity and even then, the battery continues to drop now 3% less.

    Something is seriously flawed with this update and it’s extremely frustrating to find that the problem was due to Apple’s update the entire time. I am going to do my best to retain my composure at the Apple store today.

    • http://isource.com/ Thomas

      I haven’t used it myself, but iOS 4.3.2 was released just moments ago. Maybe that will help you out because those sound like some pretty major batt issues :(

  • JD

    Note that the movie I was watching was on TV, not through using my iPhone.

  • Mirza

    What is the battery rate? I mean like how many percent per mintue? stamdard?

    • http://isource.com/ Thomas

      Depends on whether 3G is on or off, but I’d say that my 3GS can last a good 16-20 hours if I use it for regular surfing/texting and music playback (walking 40m to and from school), so that’s about 5% per hour? It can really vary, so the point is to try and measure it against your own perceived norms

  • Amit

    My Apple 3GS battry drains in 4-5 hrs
    I never USE wifi, Cellular data is OFF, 3G OFF,
    I dont use for mails also…What i use is Facebook ( Application downloaded) that also for 20-30 mins in a day
    but still not happy with the way it is resulting….
    If I am using Apple i Phone 3GS min expectation is battery should work for min 10-12 hrs
    Please help and reply back on my mail id its really URGENT

  • Amit

    My Apple 3GS battry drains in 4-5 hrs
    I never USE wifi, Cellular data is OFF, 3G OFF,
    I dont use for mails also…What i use is Facebook ( Application downloaded) that also for 20-30 mins in a day
    but still not happy with the way it is resulting….
    If I am using Apple i Phone 3GS min expectation is battery should work for min 10-12 hrs
    Please help and reply back on my mail id its really URGENT