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iOS 6 iPhone 4s battery drain

Did an OTA update to iOS 6, and my iPhone 4s is draining quite quickly almost a percent every three minutes


Only apps running are Settings, Messages, Phone, and Mail, and Location Servces are on for Google, Maps, Nearby, Reminders, Safari, Siri, weather, and YP Mobile (sames as before the iOS 6 update) All apps are up to date, and restarted the phone twice. On local WiFi, with AT&T cellular service, four bars.


Phone would get warm at times as well.


Maybe it's an anomaly, else, lets see if this post grows...

Posted on Sep 19, 2012 12:39 PM

Reply
2,468 replies

Sep 21, 2012 11:17 AM in response to Greg Bastug1

I down graded my ipad as well today so it is still working. Just go to http://www.felixbruns.de/iPod/firmware/ And down load the correct 5.1.1 file save it to desktop. Hook you device to iTunes. Hold sleep and home button until itune sees dfu mode. Hold down option when you click restore and find the file you downloaded. This worked for me to down grade. But I think its time sensitive though.

Sep 21, 2012 11:17 AM in response to Greg Bastug1

I have 2 Iphones - both 4S - I updated only one of them and there is a big difference in battery life...


I have noticed that under usage - Time since last full charge, usage and standby have the same amount of time.

After I took my phone off the charger this morning , I made one phone call for 10 mins - Had the phone sitting on my desk and 4 Hrs later, I was at 52% and my standby and usage both showed 4hrs and 10Mins so even in standby phone usage is going up.


I turned my phone on airplane mode and the time's sill remains the same - I think this is a problem that will need to be fixed by a update from apple. Even in airplane mode, usage is still ticking away and battery draining.

Sep 21, 2012 11:29 AM in response to Greg Bastug1

After upgrading to iOS6 on my iPhone 4 and my wifes 4S, I experienced the same battery issues described here. Following a tip provided here, I removed my Facebook profile from the integrated app. Since then my battery life has improved. Not as good as iOS5, but better than it was 2 das ago.


I should add though: I also upgraded both of our iPad3's (1 wifi and the other wifi+cell) and have not had any battery issues


Common theme with all iOS and OS X releases: they are never quite ready for public consumption

Sep 21, 2012 11:55 AM in response to Greg Bastug1

I note from all the posts one thing in common: OTA upgrade.

I had horrible battery life on my iPhone 4s on 5.1.1. I upgraded OTA to iOS 6: worse results. Resetting did not help.

What really made a difference is restoring it via iTunes, setting my phone as a new phone. 14 hrs of heavy use and browsing: 40% battery left. Really really happy.

So my advice is: do not update OTA. Use iTunes for this purpose and reset as a new phone.

Please let us know if it helps.

Sep 21, 2012 12:12 PM in response to Greg Bastug1

Had the problem yesterday after changing to iOS6...as per previous posts I done the following


1: turned off iCloud sync for safari.

2: turned of all other iCloud features other than those I was using on the old iOS

3: in Privacy settings I turned off the location services on all apps, other than those allowed on old iOS

4: turned off Bluetooth


after doing is the battery was still rapidly depleting


Once the Battery had reached 2% I turn on Aeroplane mode and let the battery die.


I fully charged the phone(still on Aeroplane Mode).

Once this was done I reset the iPhone using the off switch and home button for 10secs.


I turned on the phone and switched off Aeroplane mode. I listened to music on the way home from work which is a 45 min commute and the battery which was at 100% when I left is still at 100%, which actually seems better than the previous iOS. hope this helps guys, as I was ready to pull my hair out over the battery drain. If I notice any other issues, or a particular setting that caused it I will post later

Sep 21, 2012 12:23 PM in response to M4Specter

Fingers crossed, but this seems to have worked for me, too. Only I only made it down to 4% remaining before I did a full recharging of the battery overnight.

Today I have much better battery life. I had only tried a reset and turning off a few app's location services. I had a TON of notices in the Diagnostics; I couldn't tell which one was the culprit. I did not wipe the phone and reinstall, or even reset all settings.


Of course, I've also seen a lot of updated apps, so it's always possible that one of them was the problem. I would have thought resetting the phone would flush any of that, but perhaps not.


I hope this is solved for me. It isn't a widespread problem, so I doubt if we'll quickly know for sure what the culprit is (was).


(Even though many people are posting here, there have been nearly 100 million iPhones sold this year alone. If this battery nightmare hit even a low percentage of those, we'd be hearing about it in the mainstream press.)

Sep 21, 2012 12:28 PM in response to Greg Bastug1

This is the absolute worst! My 4S has been esssentially "bricked" by this update because of the innability for the phone to do so much as stand still without losing significant battery power. This is not a subtle problem - these workarounds are not the way to go - Apple needs to provide a service release. Apple needs to test their service release properly in advance this time. Apple needs to communicate to the iOS 6 download community that they are aware of the problem and that a fix is coming. This is standard software development protocol, not something above and beyond expectation.

Come on folks - accept no workarounds - this is a dramatic bug that was released and it should be addressed ASAP.

Sep 21, 2012 2:33 PM in response to Jecubix

Doing more testing, i kind of think that another reason that happened to my iphone (tough is weird) is that i started to download my songs to my iphone via Itunes Match - via Wifi - I had the "data network to download songs" disabled. Because my song werent there ( i think because of the updating of the IOS), i started to download many songs, but, i had no time to stay in my WIFI connection, so i left and assummed that the conection would stop, -because of the "data network disabled'. Now i just realized that all the songs are now in my iphone, and i didnt have wifi connection; also i just realized that i have spent almost 1.5 GIGAS from yesterday. My conclusion: the Itunes Match option, maintained connected via DAta networking" even when i disabled the option.

Sep 21, 2012 2:44 PM in response to Greg Bastug1

To be honest with you my phone after IOS6 update consuming less energy than before.

It was removed from charger 1 day and 8 hours ago, usage was 6 hours and 7 minutes

(calls, surfing on the web, try the new features, listening to music), now it is on 53%.

only 3G was swithed off, and I did only what Techwrekfix proposed.

Wifi is on, Siri is on, iCloud sync is on.

iOS 6 iPhone 4s battery drain

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