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iPhone 3GS with fw 3.1 – battery life gets even worse

193522 Views 1,907 Replies Latest reply: Aug 13, 2010 6:11 AM by tomkonikkara RSS
  • MRCUR Level 2 Level 2 (425 points)
    I'll be sure to do that. I let the battery completely die again last night and then charged it overnight again. We'll see what happens today (the usage correctly reset to 0 when I turned it on this morning).
  • MRCUR Level 2 Level 2 (425 points)
    Thanks for the detailed post. I'm sure Apple employees are watching this thread, so any detailed information will be helpful.

    I usually do a "Restore" when updates launch and don't restore from backup, but this time I did just do an upgrade. We'll see how the battery goes today which will probably be an especially light usage day.
  • ManicMarc Level 1 Level 1 (30 points)
    Mine seems to be fine - all I can suggest is doing a restore, and seeinf if that helps

    I have email (POP3) set to poll every 30 minutes.

    Reminds me of the Windows 95 days when an update would go wrong and you'd need to format the PC
    HP Laptop running Vista., Windows Vista, iPhone 3GS, iPod Touch (first gen) iPod (1st & 5th gen)
  • Philip Barket Calculating status...
    Same issues, and mine began before I installed any updates. Charged it Wednesday night to full, no calls, never use push or bluetooth. I used the ipod portion for my lunch hour Thursday and it read 24% battery left after 8 hours on standby. Installed new software, let it drain and recharged into Friday. I had 95% for most of the day with only a few texts and no calls. Everything seems fin then this morn (saturday) I am left with 44% battery life. This is my primary phone and I must agree with the general statements here, what the heck! I used make calls, play games and use the ipod and only have to charge it every few days.
    iPhone 3GS, iPhone OS 3.0.1, iPhone 3.1
  • MRCUR Level 2 Level 2 (425 points)
    So far so good today with the usage not going up by itself. The phone is currently at 98% after 10 mins of usage and two hours of standby. I have been getting a lot of emails through MobileMe, so I'm not surprised with the 2-3% lost.
  • Ziatron Level 4 Level 4 (3,255 points)
    Reminds me of the Windows 95 days when an update would go wrong and you'd need to format the PC


    Reminds me of the Windows Vista days when an update would go wrong and you'd need to format the PC.

    Went back to 3.01, all better now.
  • Philip Barket Level 1 Level 1 (10 points)
    MRCUR, that's how mine was yesterday and then it lost a good majority in stand-by mode over night.
    iPhone 3GS 3.1, iPhone OS 3.0.1
  • MRCUR Level 2 Level 2 (425 points)
    It's actually just dropped considerably in the last few minutes after a few more emails (I'm not viewing them on the device, but they're getting pushed to it) and a few texts: 93% and 22m usage. The usage is definitely growing artificially though, I've used the phones maybe 10 mins now.
  • djViper Level 1 Level 1 (0 points)
    I received the new iphone 3GS on Wednesday and with some heavy use including updating to 3.1 the phone lasted 24 hours on it's first initial charge.

    I let the battery life drop to 20% and then recharged to 100%. Within 7 hrs of charge battery life was down to 50%.

    With phone in sleep mode after 8 hrs it was down to 35% and then when woken within 1 hr had dropped to 24%. I took it off charge and switched it off to save battery life..... Within 2 hrs it had dropped to 9% and wont charge...

    Apple what is going on......

    Anyone had similar experiences.....
    HP 8000dv, Windows XP Pro
  • PeterEnt Calculating status...
    I updated my iPhone 3G to OS 3.1. 5 hours later it had no power. I recharged it over night. By mid-morning it had no power. I spoke to someone at the Apple Store and they recommended a Restore. I did that and left it in the cradle until 5pm. By 10pm it had no power. Recharged it overnight. It seemed to be working fine most of the day today and had only used about 25% power. By 2pm it has drained again.

    Something is wrong with OS 3.1 -- I want to restore my phone to OS 3.0.1 until this get resolved.
    iPhone 3G, iPhone OS 3.0.1, iPhone OS 3.1
  • Chappsnet Level 1 Level 1 (0 points)
    Wow ... so glad I'm not alone in this. I actually am a mobile product manager, so to the folks who are bashing 'noobs', get a grip. I used to have quite a bit of standby time on my iPhone 3G before the 3.1 update. Then after the update, I noticed that I was always down at 20% battery life, even an hour after recharging my phone overnight. The phone then shuts itself down, thinking that it has no battery charge left.

    I've noticed that the phone is running hot, which it never did before. But I still suspect it's a battery calibration error, unless some service is running in the background constantly. Apple needs to come out with a patch pretty darned quick - my iPhone is next to useless, when I only get a couple of hours of standby time.
    24" iMac + MacBook Pro, Mac OS X (10.5.6)
  • Phil Ermiya Level 1 Level 1 (0 points)
    I've actually installed 3.1 a total of three times now.

    1. Did an upgrade when 3.1 first came out. Got worse battery life (than pre-update), so decided to:
    2. Do a "Restore" and "Restore Backup". Still had poor battery life. That was when I finally decided to:
    3. "Restore" and Setup New iPhone. Synced my music and videos, but not the apps. The results of that were in my first posting, ie, no good, and saw the unnatural Usage counter increasing.

    As a "clean" phone didn't seem solve the problem, I restored my backup and let the phone drained. It's now on charge. If it's at 100% by midnight, I'll take it off charge and turn on airplane mode. I'm really curious to see if the usage count still climbs while locked in standby with the radios turned off.

    If that still doesn't seem to work, I'll restore the phone again to new, and try airplane mode again, but this time leaving it utterly clean, no syncing at all.

    I'm lucky in that I've put my sim into a another phone so I'm not out of contact, and I've put an iPhone PayAndGo sim into the iPhone now.

    Will let you know the results as they happen.

    If all that fails, I would dearly love to know if there's any way to restore back to 3.0.1, although from everything I've read, it's not possible due to the change in baseband (i would love to be corrected on that - particularly with step by step instructions on how to rollback!)

    Cheers folks - good to know I'm not alone in this, but ****, it's frustrating.

    Phil
    Macbook (Late 2007 - White), iPhone 3GS (32GB)
  • MRCUR Level 2 Level 2 (425 points)
    Please let us know Phil. I'd certainly be doing the extensive testing like you are as well but I don't have another phone to be using. Hopefully Apple pays attention to what you find, it should be helpful to the engineers.
  • MRCUR Level 2 Level 2 (425 points)
    Currently at 47% with 3 hours usage and 7.5 hours standby. I've been texting, emailing (all through MobileMe, haven't gotten any emails through Exchange), playing games, streaming audio, and listening to music (while the phone has been locked). It seems like everything is working alright today.

    One other thing: the phone has been on WiFi almost all day except when I went to get gas, it was on 3G/EDGE then. I have noticed the Tethering Data "received" has gone up a few Kb, except tethering is not possible with AT&T...

    Message was edited by: MRCUR
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