Previous 1 2 3 Next 107 Replies Latest reply: Aug 30, 2009 6:11 AM by cavlan
dargo21 Level 1 Level 1 (0 points)
After upgrading my 3GS to 3.0.1, battery life has dropped dramatically. Before, I could make it through a whole day (12-14 hours standby, 3-4 hours of use) and the battery would be anywhere from 20-30%. After the update now, I'm lucky to make it halfway through the day.

Another problem I noticed was battery percentage "jumping". I would check my phone, and it would show 15% battery life. As I was using it, the battery percentage jumped up and down between the original 15% and 50%. My friend, who also has a 3GS, has noticed this also.

I'm trying a restore now - and see if that has any affect for today.

iPhone 3GS, iPhone OS 3.0
  • Lawrence Finch Level 7 Level 7 (32,280 points)
    It has nothing to do directly with 3.0.1. It may be related to the restore process itself, or to bad data in your backup. If a restore doesn't fix it then do the restore again and set up as a new phone rather than restoring the backup.
  • SeamusCA Level 1 Level 1 (0 points)
    I'm not sure you can say it has nothing to do with the 3.0.1 update - as I have been seeing the same behavior on my 3GS post-update, and before I was seeing stable linear battery drain over the course of two days of normal use. I also did the restore as new and sync, and it's still doing it.

    I am on my way (back) to the Apple store for another replacement.

    Jim
  • w7ox Level 4 Level 4 (2,385 points)
    Installing 3.0.1 had no adverse effects here. So I don't think it's 3.0.1 so much as something which happened in the process of installing it for some users.

    Phil
  • john.grayson Level 4 Level 4 (2,495 points)
    SeamusCA wrote:
    I'm not sure you can say it has nothing to do with the 3.0.1 update - as I have been seeing the same behavior on my 3GS post-update, and before I was seeing stable linear battery drain over the course of two days of normal use. I also did the restore as new and sync, and it's still doing it.


    it has nothing to do with the 3.0.1 updated. my last charge on my 3GS with everything turned on except bluetooth gave me 4+ hours of usage with 2 days 16 hours of standby. i still had 10% battery left before i put it on the charger.
  • Lawrence Finch Level 7 Level 7 (32,280 points)
    w7ox wrote:
    Installing 3.0.1 had no adverse effects here. So I don't think it's 3.0.1 so much as something which happened in the process of installing it for some users.

    What I said also. As I'm a "charter" iPhone owner I've seen posts about problems after every upgrade, and invariably the people with problems attribute it to bugs in the software and want to downgrade to the previous version. Which doesn't usually fix it, because the problem is caused by something that went wrong in the upgrade process itself, and was not a flaw in the new software. Sometimes it does fix it, but that's because the downgrade process wipes the phone. Doing a clean install would accomplish the same thing.

    For 3.0.1 especially there's no way it can be the software; all this update did was add a couple of lines of code to check for buffer length on incoming SMS messages (a guess, based on 40 years of programming experience).
  • Jimbo2552 Level 1 Level 1 (0 points)
    Oh it has to be the update, or a way the update modified the phone, because this problem that I have too definitely started immediately after I installed the update...

    So I just wipe my phone and restore it?
  • bmfriedman Level 1 Level 1 (0 points)
    I am having the same exact trouble. It occurred immediately after performing the 3.0.1 update. How do I fix this problem? Return the phone?
  • Lawrence Finch Level 7 Level 7 (32,280 points)
    Read the whole thread. There are messages with suggestions on what to do. IT IS A SOFTWARE PROBLEM. Returning the phone won't fix it, unless you set it up as a new phone and don't restore your backup. But you can do that with your current phone and save the hassle.
  • bmfriedman Level 1 Level 1 (0 points)
    I read the whole thread. I want to revert back to the 3.0.0 version of the software. How do I do that?
  • Lawrence Finch Level 7 Level 7 (32,280 points)
    I have no idea, but if you search the forum you will find many threads on how to revert. Also use Google. I predict it won't solve your problem. But please let me know if I am wrong.
  • bigmun Level 1 Level 1 (0 points)
    i did the complete restore (as new phone) and did not work. I was still having major battery issues/wi fi issues etc...
    After reading through a lot of forum topics, I decided to see if some apps were causing the software issue. I did a restore with no apps. Battery issue solved.
    I have not been able to figure out which app/apps are the issue. However, I am getting great battery life with push ON, wifi ON etc...
    Do the restore as a new phone (remove firmware). If you still have issues, remove some of the apps you no longer use and see if battery life changes.
  • Lawrence Finch Level 7 Level 7 (32,280 points)
    Good data point! It is most likely an app that uses Notifications, like Yahoo Messenger, IM+, Beejive, AP News etc. There's an easy way to narrow it down; turn off Notifications in Settings. If that fixes it turn Notifications back on, but off for all but one app at a time.
  • bajesus Level 1 Level 1 (5 points)
    i have notifications turned off, and still have battery issues
  • Ryan3587 Level 1 Level 1 (35 points)
    Yup, same issue here... It was showing 32% then it jumped back up to 59%... what gives? My wifi works just fine, but not until a lot of tinkering... Never had issues like these with the old one... It has to be a bug or ten in the software... I know Apple is working on a fix, but man is it taking forever!
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