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Scarface.

Q: iPhone 4s Battery Life?

My iPhone 4s battery seems terrible! Almost equivalent to my 3GS and it's terrible battery life. When I got my iPhone yesterday and restored from backup I noticed nothing really changed with minimal usage and standby! Is this normal or should I consider setting it up as a new phone because maybe something is running in the background that's causing it to drop a percentage every few minutes under light usage? Input would be great!

Posted on Oct 15, 2011 7:14 AM

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Q: iPhone 4s Battery Life?

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  • by Pete from Switzerland,

    Pete from Switzerland Pete from Switzerland Jan 5, 2012 1:52 AM in response to rphunte42
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    Jan 5, 2012 1:52 AM in response to rphunte42

    Sorry to say that, but this kind of advice is useless. I hadn't changed my usage pattern a little bit when the problems started. They started only after moving to iCloud and then using Siri for the first time after the move.

  • by Pete from Switzerland,

    Pete from Switzerland Pete from Switzerland Jan 5, 2012 1:55 AM in response to rphunte42
    Level 1 (4 points)
    Notebooks
    Jan 5, 2012 1:55 AM in response to rphunte42

    It doesn't matter where he was. I used my 4S without problems, even while traveling in Switzerland and Germany. The problems started after moving to iCloud and then using Siri for the first time after the move. In my office and only on Wifi, mobile data deactivated...

  • by jtmf,

    jtmf jtmf Jan 5, 2012 2:09 AM in response to Scarface.
    Level 1 (0 points)
    Jan 5, 2012 2:09 AM in response to Scarface.

    Someone answer me please

  • by enx23,

    enx23 enx23 Jan 5, 2012 2:09 AM in response to Pete from Switzerland
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    Jan 5, 2012 2:09 AM in response to Pete from Switzerland

    @Pete

     

    Pete even if you turn off Celula data on your iPhone 4s you are still connected to 3g network for voice calls!!!!

    Please, note that 3g network is different than data transffer for internet!

  • by jtmf,

    jtmf jtmf Jan 5, 2012 2:13 AM in response to enx23
    Level 1 (0 points)
    Jan 5, 2012 2:13 AM in response to enx23

    I did not knew that, but it makes sense.  Thank you by the way.

  • by Pete from Switzerland,

    Pete from Switzerland Pete from Switzerland Jan 5, 2012 2:39 AM in response to enx23
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    Jan 5, 2012 2:39 AM in response to enx23

    Thanks, enx23. I didn't consider that. But still I don't believe that it has to do with 3G connection, as I was using my 4S without any issues for 4 weeks even while traveling and the problems only started after moving to iCloud.

  • by enx23,

    enx23 enx23 Jan 5, 2012 2:41 AM in response to jtmf
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    Jan 5, 2012 2:41 AM in response to jtmf

    @jtmf

     

     

    jtmf wrote:

     

    I have one question about the battery life of my iPhone 4S: at this moment I am at 73% and I have the following stats:

     

    Usage Time is 1 hour and 40 minutes

    Stanby Time is 15 hours and 57 minutes

     

    Is this a normal battery life for the iPhone 4S?

    This looks pretty good!

     

    The 3G, iCloud and Siri are turned off. During 9 hours I have lost 11% of the battery percentege. Is this normal?

    These (i.e. Cellular Data Off, and I guess Wifi is off too and probably you are in a 2G network) explains why you get so good battery life on your iPhone 4S.

  • by enx23,

    enx23 enx23 Jan 5, 2012 2:44 AM in response to Pete from Switzerland
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    Jan 5, 2012 2:44 AM in response to Pete from Switzerland

    @Pete

     

     

    Pete from Switzerland wrote:

     

    Thanks, enx23. I didn't consider that. But still I don't believe that it has to do with 3G connection, as I was using my 4S without any issues for 4 weeks even while traveling and the problems only started after moving to iCloud.


    There are plenty of iPhone 4s issues here for one to choose from:

    - 3G network (probably it be even antenna issue)

    - static noise which comes from the chipset MDM6610 which handles the 3G

    - plenty of bugs in iOS 5.X.X

    - plenty of bugs in Apps because of the iOS 5.X.X

    - ...

  • by Tamarillo,

    Tamarillo Tamarillo Jan 5, 2012 2:45 AM in response to jtmf
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    Jan 5, 2012 2:45 AM in response to jtmf

    Take a look to apple's features and calculation:

    Standby 200h -> 100% / 200h = 0,5% per h

    3G voice 8h -> 100% / 8h = 12,5% per h

    2G voice 14h -> 100% / 14h = 7,14% per h

    3G data 6h -> 100% /  6h = 16,6% per h

    WiFi data 9h -> 100% / 9h = 11,1% per h

    Video 10h -> 100% / 10 h = 10% per h

    Audio 40h -> 100% / 40h = 2,5% per h

     

    Example (let's say you had 1h 3G voice and 40 min Data on Wifi)

    User active

    12,5% * 1h = 12,5%

    11,1% * (40/60)h = 11,1% * 0,66h =7,4%

     

    Standby

    0,5% * (15 + 57/60)h = 0,5% * 15,95h = 7,97%

     

    Total % = 100% - 12,5% - 7,4% - 7,97% = 72,13%.

     

    I would say your iphone is working as specified by apple.

    jtmf wrote:

     

    I have one question about the battery life of my iPhone 4S: at this moment I am at 73% and I have the following stats:

     

    Usage Time is 1 hour and 40 minutes

    Stanby Time is 15 hours and 57 minutes

     

    Is this a normal battery life for the iPhone 4S? Note that I used the phone to play a game only for 30 minutes and do some calls. The 3G, iCloud and Siri are turned off. During 9 hours I have lost 11% of the battery percentege. Is this normal?

  • by jtmf,

    jtmf jtmf Jan 5, 2012 3:10 AM in response to Scarface.
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    Jan 5, 2012 3:10 AM in response to Scarface.

    @enx23 and @Tamarillo

     

    enx 23 thank you for your help Tamarillo thank you for posting the calculations, I have forgotten to do that.

  • by enx23,

    enx23 enx23 Jan 5, 2012 4:10 AM in response to rphunte42
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    Jan 5, 2012 4:10 AM in response to rphunte42

    More iPhone 4S issues:

     

    Apple’s long silence on call mute issue raising ire of iPhone owners

    http://gigaom.com/apple/apples-long-silence-on-call-mute-issue-raising-ire-of-ip hone-owners/

     

    http://reviews.cnet.com/8301-19512_7-57351737-233/call-muting-growing-issue-for- iphone-4s-users/?tag=cnetRiver

     

     

    It looks like finally the media is starting to pay attention to the issues of iPhone 4S!!!!

  • by marc-man,

    marc-man marc-man Jan 5, 2012 4:34 AM in response to marc-man
    Level 1 (0 points)
    Jan 5, 2012 4:34 AM in response to marc-man

    I've just done an iTunes restore without backup. I've done the set-up procedure and left locations and siri off. I'm not installing any apps at all, or using anything for contacts, calendars or mail so there is nothing on it that can be deemed as corrupted. As soon as my battery has fully discharged I will do a full recharge and then see how the battery fairs over night in standby.

     

    Fully charged my 4S last night after a full discharge. Took it off charge and put into Flight Mode before going to bed. Checked it this morning, 8 hours later, and it was on 99% - way, way better than previously. It was still reporting 45 mins of 'usage' even though it was in standby the whole time with no apps running.

     

    I then charged it back to 100% and took it out of flight mode.

     

    My stats right now:

    Battery: 91%

    Usage: 2hr 13m
    Standby: 4hr 16m

     

    Still reporting a lot of phantom usage there as I've not used it at all except to check the stats once or twice. Battery does look to be doing a little better though but time will tell! I've still not installed ANY apps or set up any contacts, calendars or mail - the phone is pretty much in a virgin state.

     

    Judging by the above stats, I can at best hope to get roughly 40 hrs standby - remember I've not used the phone at all. This figure is still not at all acceptable!

     

    Worth mentioning that right now it's on 2G (5 bars) - 3G is very patchy where I live.

  • by Pete from Switzerland,

    Pete from Switzerland Pete from Switzerland Jan 5, 2012 5:04 AM in response to marc-man
    Level 1 (4 points)
    Notebooks
    Jan 5, 2012 5:04 AM in response to marc-man

    That confirms my point that it's a software issue. Unfortuntately you can't use your iPhone now (what's the use without any apps?) and yoou lost all your data...

  • by colin1892,

    colin1892 colin1892 Jan 5, 2012 5:24 AM in response to Scarface.
    Level 1 (0 points)
    Jan 5, 2012 5:24 AM in response to Scarface.

    i get decent battery life from my 4s, i had wifi 3g left on apps running etcphoto.PNG

  • by zyggistardust,

    zyggistardust zyggistardust Jan 5, 2012 5:24 AM in response to Scarface.
    Level 1 (0 points)
    Jan 5, 2012 5:24 AM in response to Scarface.

    I'm sorry that I bought this phone.  The battery life *****.

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