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Iphone 4s ios 7 battery issues

I posted this question in the basics forum, but it probably belongs here: Since installing iOS 7 on my iPhone 4s, the battery life seems to be significantly reduced, at least judging by how quickly my battery life percentage meter keeps dropping. I've gone through and turned off all sorts of settings, like location services on most everything, etc. Is anyone else experiencing a similar issue? Anyone know of any fixes?

iPhone 4S, iOS 7

Posted on Sep 19, 2013 10:26 AM

Reply
449 replies

Dec 5, 2013 7:19 AM in response to Taildragon

Having first had this issue on 1st November and following the tips on this thread, resorted to contacting Apple chat to see if there was any help available as battery life had now got to 3 hours on standby with no use.


Advisor suggested back up and restore, back up worked fine and then the restore froze and could not find the iphone. Advisor attempted a couple of other solutions that didn't work, I was passed to another advisor for next level technical support who advised me straight off that the phone was broken and that if I wanted it fixed it would cost me £166 !!!!


Now that phone worked, all be it with a rubbish battery life before Apple support got involved and now it is unusable and I have had to buy another (non-apple) phone.


There is clearly something going on with IOS7 that is rendering some IPhones unusable and Apple need to address this. If anyone from Apple does read this and is interested I have the case numbers to pass on.

Dec 5, 2013 12:31 PM in response to wahed3001

My iphone is a dust collector now,,, I let the battery drain and it sits on the shelf, becuase I can not even use it as an alarm.. the battery is dead in 4 hours... i stopped developing iphone apps because of this...I will never purchase another apple product ever. However... arduino is an interesting piece of hardware....and there is an adapter to plug it into the iphone... so I might just rip into this, and tear apart the software in iphone 4s at some time, for my next electronic project.

Dec 5, 2013 2:20 PM in response to landminespring28

My iPhone 4s started burning through the battery just a few days ago. I've deleted apps, turned off wifi, rebooted, hard reboot, used Airplane mode. My bluetooth is never on, my screen is dimmed to less than half...


Please, if anyone can advise me on which other steps to take I would appreciate it?


Honestly I had always enjoyed using my iPhone.


Thanks ~

Dec 5, 2013 2:18 PM in response to landminespring28

Another battery post I commented on with this -


I have the i4 before updating to 7.0.4 my battery life was perfect. Then I noticed that one day after battery being 100% 3 hrs later was sitting at 30% - to test it I depleated the battery to almost 0. Charged my phone to 100% turn off cellular data made sure all apps were closed out nothing was running to drain battery after 3 hours my battery read 40%


Two restores later battery is working fine - first restore nothing waited a couple days figure meh another restore and "so far" doing good again..

Dec 5, 2013 2:28 PM in response to Kate31

If you're having problems after updating to 7.04, you need to recalibrate the battery:

  • Charge the phone to 100%
  • Use the phone, discharging the battery all the way to shutdown (without recharging along the way)
  • Recharge to 100%


You may have to do this twice (I did), especially if the phone shuts down "early", while showing more than a few percent charge left.


You will need to recalibrate even if you did it before on an earlier 7.0.x release.

Dec 6, 2013 12:50 AM in response to Taildragon

*****Taildragon*****


What a minute, I have tried this (draining the battery) but what if like you said my phone tunrs off while there is still percentage how do I turn it back on?


I was in the process of doing what you said and my phone died at 40%, I tried to turn it back on to complete the process of draining the battery but it did not turn on, shall i plug it in the charger or what?

How do I turn it back on to complete the process you talked about (draining it to 100%)?


You mentioned everything but you did not mention what we should do if the phone died while there is still a percentage in it.


Shall I plug it in the charger to be able to turn in on and complete the draining? Arent we back to the same problem if I plug it in the charger as calibration process will be damaged?


Please advise...

Iphone 4s ios 7 battery issues

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