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iOS 6.1.3 battery drainage

Last night I updated my iPhone 4S to a iOS 6.1.3 and now it drains my battery in extremely fast manner. As I started signing in to write this question from my iPhone I already lost 13% of my battery. I never had a problem with a battery and ive been using iphones since the first one. i miss my morning class because of it because my alarm clock didn't because my phone was dead. Please fix it or have no choice but buy Samsung GS4

iPhone 4S, iOS 6.1.3

Posted on Mar 21, 2013 9:04 PM

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992 replies

Mar 22, 2013 4:56 AM in response to Timurjonchik

I've had the same problem on my 4s since updating to 6.1.2. Now have 6.1.3, and it's no better.


First iPhone I had was a 3GS which lasted me 2 years before being stolen.


I've been riding the iOS train since iOS 3. I have never had a single battery problem with my iPhone 3GS OR 4s until updating to 6.1.2. It seemed the majority of users complained when 6.1 was released, now I'm having problems.


I'm not sure if the software varies at all between carriers but I'm on AT&T, not Verizon.


My phone would hold 100% charge for over 5 hours on standby. Now within an hour it drains to 85%.


I have hard reset, cycled charges between 20% and full drain, removed apps in quick-switch, and there is zero improvment.

Mar 22, 2013 7:55 AM in response to Timurjonchik

ditto. iphone5 + corporate exchange + AT&T. prior to 6.1.3 i could go 16-24 hours easily on a charge. Now I can only go about 8-10 hours. This is aweful. Down 40% in 4 hours and it has been in my pocket all morning without use.


I have cycled my phone several times hoping an app was causing it and verified all apps/tasks were closed. Going on my thrid day of drain....

Mar 22, 2013 5:54 PM in response to erockem

erockem wrote:


ditto. iphone5 + corporate exchange + AT&T. prior to 6.1.3 i could go 16-24 hours easily on a charge. Now I can only go about 8-10 hours. This is aweful. Down 40% in 4 hours and it has been in my pocket all morning without use.


I have cycled my phone several times hoping an app was causing it and verified all apps/tasks were closed. Going on my thrid day of drain....

Go into Settings/Mail,Contacts,Calendar, tap on the Exchange account and turn off all of the switches. Reboot the phone by holding HOME and SLEEP until an Apple appears. Then go back to Settings and turn the switches back on. Wait an hour for mail, contacts, calendar to sync, then check the battery again. It will probably be OK.

iOS 6.1.3 battery drainage

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