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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12,787 replies

Jan 17, 2012 5:54 AM in response to Ken_neth

Hi ken_neth, take a look at these two forums. Lots of good info there. Davisch reset procedure has helped lots of folks.

https://discussions.apple.com/thread/3484755?answerId=17311565022#17311565022


Also 1Appleadaynoway created this topic that is useful without all the complaining going on.


https://discussions.apple.com/thread/3526981


Good luck! Hope some of these tips help.



Ken_neth wrote:


hi everyone.. i'm new to this thread.... 🙂 i'm having a difficulties with my battery of my iphone 4s... but i have no running apps. can you give me a tips or recommendations on what to turn off or on.... thanks... everyone!!!

Jan 17, 2012 6:34 AM in response to 1AppleADayNoWay

Appleaday, The PRL is basically a list of preferred carriers who the home carrier has roaming agreements with. It contains a list of carriers towers and such to connect to in case the home carrier is not available.


I guess if you were in an area where home has no coverage and there is a tower close that you could use but dont have the updated list, maybe the phone will continue searching for another carrier/tower? Thats a guess as to why that would cause connection issues.


1AppleADayNoWay wrote:


"If you are using the iPhone on a CDMA network, ensure that your Preferred Roaming List is updated. Contact your carrier for assistance."


What is this? Just curious because I don't remember hearing about that here before i.e. the "Preferred Roaming List".


Jan 17, 2012 6:54 AM in response to Scarface.

I had a restore my iPhone 4S 2 hours ago and I decided to restore as new phone. Just when I was doing the setup, I changed my mind and restored it from previous backup so I don't lose my Fruit Ninja awesome high score (720 in arcade mode). Obviously that was a huge mistake. After less than 1 hour 30 minutes of standby (opened wifi for less than a minute to check Whatsapp and Twitter notifications), I lose 1% battery. Right now I'm in the process of restoring but this time I'll restore it as a new phone with no apps and I'll see where it goes.

Jan 17, 2012 6:47 AM in response to Jameson!

@Jameson!



Jameson! wrote:


Why? Simple...... Because It's convenient and I never have to worry about getting through the next day...... Why do you find this so surprising?

enx23 wrote:


@Jameson!


You an your wife are charging your iPhone 4 every night. Right? The battery life of iPhone 4 is around 3.5 days. Why are charging every night?

I guess that this looks to me like using a mobile phone as a laptop.

Jan 17, 2012 7:03 AM in response to enx23

***? Charging the phone while I'm sleeping is using the phone like a laptop? I'm sorry, but you have totally lost me.......

enx23 wrote:


@Jameson!



Jameson! wrote:


Why? Simple...... Because It's convenient and I never have to worry about getting through the next day...... Why do you find this so surprising?

enx23 wrote:


@Jameson!


You an your wife are charging your iPhone 4 every night. Right? The battery life of iPhone 4 is around 3.5 days. Why are charging every night?

I guess that this looks to me like using a mobile phone as a laptop.

Jan 17, 2012 7:07 AM in response to AliAR

Excellent. let us know how it goes. BTW WhatsAPP is a known offender of battery drain for some users. Perhaps that is all that was killing yours. See how it works like you have it (fresh restore). If ok maybe get another backup without overwriting your complete backup, you can do this in iTunes if you rename the folder in your user directory (if Windows 7) C:\Users\xxx\AppData\Roaming\Apple Computer\MobileSync\Backup. May need to find it in other versions of windows or on a Mac. Rename the big long numeric folder to whatever maybe add 2012-1-17 to the front of it. Then run the backup from iTunes and it will create a new backup of current fresh state. You can see this afterwards in itunes when you select the restore, you will have 2 to choose from.


So now you have your complete backup with your score you want to keep and a backup of a fresh install. If all is ok you can try to restore your complete (with your score), remove the whatsapp app and see if it works. Worse case you can restore your fresh working backup if need be.


Honestly if you can live without all the previous stuff, keeping the fresh restore would be best. Good luck!

Jan 17, 2012 7:52 AM in response to sbailey4

Actually its not going as I expected. Stats:

Usage: 18 Minutes

Standby: 32 Minutes


I didn't use the phone at all and I made sure all settings are off (BT, timezone, etc.) before I took it off the USB port. Right now my phone is empty. It has no third-party apps, music, videos and photos. I'm not really sure about renaming the folder as I don't know where to find it. I have a Mac. Oh, and I didn't really get what does renaming the file will do... Thanks for your help.

I will reply back after an hour has past since I removed it from the charger.

Jan 17, 2012 7:59 AM in response to AliAR

Oh so fresh install no help huh? Well perhaps a replacement or trip to Apple is in order. Renaming the folder allow you to have more than 1 backup. By default iTunes backs up and overwrites the one there so if you backup a bad config, you overwrite the good one. Renaming the folder will keep the backup thats there and when you backup again iTunes will create a new backup. so you have 2 to choose from if you need to restore. Doesnt really matter at this point since the fresh install did not help you. I would see about a replacement. With everything off and no 3rd party apps something else is wrong I would say.

AliAR wrote:


Actually its not going as I expected. Stats:

Usage: 18 Minutes

Standby: 32 Minutes


I didn't use the phone at all and I made sure all settings are off (BT, timezone, etc.) before I took it off the USB port. Right now my phone is empty. It has no third-party apps, music, videos and photos. I'm not really sure about renaming the folder as I don't know where to find it. I have a Mac. Oh, and I didn't really get what does renaming the file will do... Thanks for your help.

I will reply back after an hour has past since I removed it from the charger.

Jan 17, 2012 10:00 AM in response to sbailey4

Unfortunately, I do not live in the US but live in Dubai so therefore, I don't have an Apple Store here. There are several Authorize Apple Resellers and they do not provide the same service as you. I asked for a replacement from a reseller and they said they can't do it but rather told me to "wait for the new fix by Apple or you can send your phone to the technician for check-up which will take a week." Eventually I'll have to give them my phone for a week or so to get a replacement.


I couldn't actually find the folder you're telling me about. Where do I go to? Please make it clear! (e.g. Finder>etc.) Thanks a lot for your help!

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iPhone 4s Battery Life?

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