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Ios 10.2 draining battery FAST!

I installed IOS 10.2 on 12/12/16. Phone was 100% charged at 7:00 pm; at 4:00 am on 12/13/16 the battery was completely discharged.


What changed in IOS 10.2 to affect battery usage like this?

iPhone SE, iOS 10.2

Posted on Dec 13, 2016 1:43 AM

Reply
443 replies

Jan 13, 2017 5:14 PM in response to Lawrence Finch

I posted this in another thread, I'll post in response to your suggestion:


Well I have now tried multiple times to get debugging information escalated about this to Apple engineers and I am about ready to give up on all Apple support. Across 2 chats and 2 calls all I am being given is the standard "restore your phone" and "we understand you rely on your phone" bs. I am an engineer and have been trying various tests to see if I can find the cause of the drain (which I am sure is firmware related). On the first call they ran a diagnostic on the phone and there was no battery issue. I have tried turning on/off various services (location, push, etc) to see what may be the culprit. Last night I put the phone into low power mode with around 67% charge (not plugged in). This morning after 8 hours it was showing a charge of around 25%. Obviously this was alarming. So I tried a simple test of restarting the phone. And after the restart the phone was showing 63% not 25% charge. And the number held. You would think this kind of troubleshooting information would be useful to pass on, but you'd be wrong.


And yet I guess engineers at Apple don't need any help tracking down a bug that they have not fixed in weeks. I guess they are all busy trying to fix the watchOS 3.1.1 bug that is still not worked out.


I am beyond frustrated at this point.

Jan 10, 2017 9:58 AM in response to Lawrence Finch

Lawrence Finch wrote:


Nonsense. When there's a real issue huge numbers post about it. This was 4 years ago, when there were only about 100 million phones in use; there are 10 times that number now. You will note almost 13,000 posts about what was a real issue that affected roughly 5% of users.


User uploaded file


Yes, I'm sure we all find it reassuring to know from an "expert" that we are not having a "real issue" with a meager 18,000 views of this thread alone. Now go find all the single threads on this "make believe" issue.

Feb 13, 2017 9:24 AM in response to Dansnemesis

Apple has not fixed this non-issue. There are almost as many different symptoms in this thread as there are posts, which means there are a number of issues with individual phones, not with any specific version. And each of them needs to be resolved on the phone with the problem; there is no magic bullet that will fix all of them because it isn't one problem. And it certainly isn't a problem with 10.2, because most users of 10.2 don't have a problem. There's also a thread for 10.2.1, where users say they had no problem with 10.2. And also with 10.1, which many users in this thread worked fine for them.


Every new version results in posts about a battery problem with the version, which means either that there's a bug in every one of the 4 dozen or so versions over the past 9 years, or the problem isn't the version. Actually, there was ONE battery bug caused by an update about 5 years ago that affected about 5% of the under 100 million phones in use at the time. Here's the statistics for the thread about that:

User uploaded file

User uploaded file

Feb 13, 2017 4:37 PM in response to Lawrence Finch

Article that came out today on BGR.com


Here is the link http://bgr.com/2017/02/13/iphone-battery-recall-how-to-fix-30-percent-bug/


"Owners of Apple’s various iPhone models have historically been the most satisfied and loyal smartphone customers in the world. The fit and finish on Apple’s iPhones is unmatched, the iOS user experience is outstanding, and Apple’s customer service is second to none. This has been the case for years and it’s largely still the case to this day, but a growing number of iPhone users is becoming increasingly frustrated due to a horrible bug that has been impacting iPhone 6, iPhone 6 Plus, iPhone 6s and iPhone 6s Plus models.

As you’ve no doubt read by now or even experienced yourself, there is a severe bug causing many iPhones to shut down despite still having about 30% of their charge remaining. Apple is working on a software fix but unfortunately nothing has been released at this point. There is a battery replacement program for some iPhone models, but only a small fraction of affected devices are eligible. If your iPhone isn’t eligible even though it has been shutting down at 30%, all you can do is sit and wait for Apple to issue a fix.

Well, that’s actually not all you can do. Below, you’ll find a handful of battery cases and portable chargers that will help you avoid these bothersome shutdowns by keeping your iPhone’s charge above 30%. They’re all affordable, they’re all highly rated, and they’ll all tide you over until Apple finally figures out how to fix this problem."

Jan 3, 2017 6:16 AM in response to yyfatih

yyfatih wrote:


I have same problem with Iphone7. the full charging takes about 6-7 hours and it is discharging in 6-7 hours even if it stays stanby. Are there any body to help?

Other than the advice that has been given whenever someone posts a similar problem with any other model phone and any other version of iOS over the past 9 years, no.


The problem is caused by a runaway app. It has nothing to do with any specific version or update, but rather with an app that did not correctly handle the update. Go to Settings/Battery to find out which app it is, and kill it. Other common troubleshooting advice to try (stop when one solves it):


  • Do a forced reset: For a 7/7+ hold the SLEEP and VOLUME DOWN buttons until an Apple logo appears. For any model other than the 7 series hold the SLEEP and HOME buttons. This will take about 10 seconds and will not cause any data loss.
  • Kill all apps in the Quick Launch screen (NOTE:These are not "running" - they are suspended, but their data and process state are being saved). When on the main Home screen double-press the HOME button. Flick the screen image of each app up to remove it. When all apps except the Home screen image have been cleared press the HOME button again, then repeat the forced reset.
  • Install the latest version of iTunes on your computer (12.5.3 as of the date of this post). Note that it requires Windows 7 or Mac OS 10.9.5. Connect your phone to the computer. Click on its icon in iTunes. Check Encrypt Backup if it isn't checked already (NOTE: WRITE DOWN the password that you use or save it in a password vault app, as there is no way to ever recover it). Click Back Up Now. When it finishes, on the phone go to Settings/iCloud and tap on Backup, and make an iCloud backup for extra safety. When all this is done click Restore iPhone... When the Restore completes choose to restore your backup.
  • Repeat the previous step, but do not restore your backup.


One of these will fix the problem, unless it is a hardware problem or failing battery.

Jan 7, 2017 6:07 AM in response to DvNoord

DvNoord wrote:


This won't solve the problem that's caused by the 10.2 update. After having fully charged my phone (iPhone 7) i have to set my battery to Low Power Mode and then still, you can't make it till the evening. There's definitely something wrong with that latest update and Apple has to fix it fast!

How would you suggest solving the problem caused by the 10.1 update? Or the 10.0.1 update? Or the 9.1.3 update? Or the 7.1.2 update?


The solution is the same for all of them. Find the app that is using the extra energy. Here's a methodical way to resolve battery issues (regardless of the version).


The problem is caused by a runaway app. It has nothing to do with any specific version or update, but rather with an app that did not correctly handle the update. Go to Settings/Battery to find out which app it is, and kill it. Other common troubleshooting advice to try (stop when one solves it):

  • Do a forced reset: For a 7/7+ hold the SLEEP and VOLUME DOWN buttons until an Apple logo appears. For any model other than the 7 series hold the SLEEP and HOME buttons. This will take about 10 seconds and will not cause any data loss.
  • Kill all apps in the Quick Launch screen (NOTE:These are not "running" - they are suspended, but their data and process state are being saved). When on the main Home screen double-press the HOME button. Flick the screen image of each app up to remove it. When all apps except the Home screen image have been cleared press the HOME button again, then repeat the forced reset.
  • Install the latest version of iTunes on your computer (12.5.3 as of the date of this post). Note that it requires Windows 7 or Mac OS 10.9.5. Connect your phone to the computer. Click on its icon in iTunes. Check Encrypt Backup if it isn't checked already (NOTE: WRITE DOWN the password that you use or save it in a password vault app, as there is no way to ever recover it). Click Back Up Now. When it finishes, on the phone go to Settings/iCloud and tap on Backup, and make an iCloud backup for extra safety. When all this is done click Restore iPhone... When the Restore completes choose to restore your backup.
  • Repeat the previous step, but do not restore your backup.

One of these will fix the problem, unless it is a hardware problem or failing battery.

Jan 3, 2017 8:37 AM in response to Pushkin2

::sigh:: The same statement can and has been made about every version that has ever been released. Didn't you notice the posts saying that 10.1 killed the battery, and that 10.0 was fine? Or that 10.0 killed the battery, which was working fine on 9.3? It has been said for every update that has ever been released. "This update killed my battery, but the previous version [whatever it was] worked great!"

Jan 3, 2017 8:02 PM in response to thosflint

Apple has to know this is an issue! I thought something was wrong with my battery until the iOS 10 update fixed it. I was having to use a battery case, then 10.0 came out and voila! it was back to normal. My wife upgraded her iOS to 10.2 and her battery started going from 30% to dead, then immediately back on and up to around 30% when she plugged it in. I read numerous posts about the same issue, so I avoided the 10.2 upgrade until I plugged my phone in one night last week and woke up to an updated 10.2! a few days later mine now has the EXACT same issue! Apple needs a class action lawsuit here. I'm sure this programming caused many people to buy new phones because of it. 10.2 has been out for way too long to not have a revision to fix this!

Jan 4, 2017 12:11 AM in response to thosflint

Seriously it's driving me crazy for the longest I wouldn't update my phone to ios 10. And now with iOS 10.2 my battery dies so fast on my iPhone 6. One minute I'm at 80% and I do one snapchat video and it's at 10% or watch any video. It's a drastic drop. They seriously need to get it together. These phones cost too much and to not be able to use your phone cause you fear it will die. It happened so many times when my phone died then I plugged it in it turns on and it says it's at 30% how is that even possible. Please Apple fix the issue.

Jan 4, 2017 6:58 PM in response to CarlAVII

Power saving tips not effective at all. I have nearly no apps running, notifications, etc and went from great battery life before 10.2 to absolutely lousy battery life now ( at least 5 hours less use time). Bad customer service to give us an upgrade and then take away the ability to rollback when there are this many complaints.

Ios 10.2 draining battery FAST!

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