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Battery Drain iOS 13.1.2 on iPhone

I have upgraded my iPhone 7 plus to iOS 13.1.2. The battery life is not up to the mark. Earlier the battery would run from 100%to 35% for 24 hours with moderate usage. (Battery drains to 50% for 8 hours even when there is no usage at all/no SIM card/ no application installed/background app refresh is turned off/power saving mode is turned on). I tried the following

  1. waiting for 4-5 days believing that indexing will complete
  2. complete factory reset
  3. completely uninstalling all the apps and keeping the mobile as fresh without any data
  4. keeping the mobile in flight mode

But the battery drain is same in all cases. Is this the fault of iOS? My iPhone battery performance is 89%

Thanks for your view and answers.



​[Re-Titled by Moderator]

iPhone 7 Plus

Posted on Oct 7, 2019 6:39 AM

Reply
108 replies

Oct 10, 2019 4:12 AM in response to pawel241

Hi Friend,

I too have a Nokia 7.1 I charged both the iPhone and Nokia mobile to 100% in the morning 7AM and now it is 5 PM here and both the phones are showing at 50% battery. But the twist is I have used the Nokia mobile to the fullest possible extend like watching movies for 30 minutes reading updates from Facebook and WhatsApp for another 40 minutes, frequently checking mails and messages etc. (Total screen on time is 1 hour 30 minutes). But the iPhone was simply lying in the bed in airplane mode without any SIM card and without any apps installed on it.

Tonight I will do research on battery drain in iPhone when it is switched off altogether. Bye until then


Oct 10, 2019 12:50 PM in response to srinivasan.chemi

In the same boat.

iPhone 7.

Updated to ios 13.1.2 on Oct. 7...prior to battery would last all day with moderate usage.

After update, phone went from 100%-90% on the drive to work with no usage (half hour drive) and 90-20% after about 7 minutes of light usage (checking insta/reddit/etc.).

Further, my phone will not charge properly using the apple USB connection to a computer anymore.

It tops out around 30% and then slowly start draining down again.

This thing gets red hot when in use and while charging too.

Really upset cuz it is basically useless now.

God for bid I need to make a call longer than 10 minutes, it'll never last and my ear will be burning up.

Hoping for some sort of help or explanation is on the way as a battery replacement shouldn't be necessary for a unit that worked fine the night/week/year(s) before the update installed.



Oct 10, 2019 2:27 PM in response to Community User

Same here! Just updated to 13.1.2 and the morning right after it updated my battery was going from 100 to 10 within 10 minutes of unplugging it. Then this morning it went from 100 to literally 1% then died within 2 minutes, then stayed at low battery (the completely-dead-red-battery-bar-on-home screen) for THREE HOURS while charging it. It finally made it back up to 79% after another hour charging and at least now it’s during slower. Only at 75 an hour after it was 79. So maybe that reset it? Idk. I called my phone provider for a battery and OF COURSE they “don’t do that” (TELUS). I feel like it’s a set up to force people to buy a new phone after the update 🤷🏼‍♀️🤷🏼‍♀️

Oct 11, 2019 12:41 PM in response to srinivasan.chemi

I'm having an even worse issue. I have an iPhone 7, just had the battery replaced two months ago. I upgraded to iOS 13 today and my phone loses battery while charging... what am I supposed to do?


I tried erasing the phone and installing from a backup but it didn't do anything, I'm still losing battery while it's sitting plugged into a charger. I have to turn my phone off in order to charge it.


Fix this Apple!

Oct 12, 2019 2:04 AM in response to srinivasan.chemi

YES!!!! I thought it was just me!!! My phone automatically downloaded this new iOS and my battery lost 30 % power just 15 minutes after I had unplugged it from charging. I then used it for my sirius xm listening (which I use all day without any battery issues) and just halfway into the morning my battery is almost used up. I never had a problem until 13.1.2

I have been an apple user since the 1980's and am actually considering a non apple product..... I am getting sick of all these new fixes and changes that I find aren't for the better. (like now when you turn off and on the silent mode, it is so small, you can barely see it)

Oct 12, 2019 4:00 AM in response to srinivasan.chemi

***interesting update***

so, my 7 is/has been dealing with the same battery issues you all have shared.

yesterday, after reading through some of the replies I saw one user mention maybe the battery isn't the issue but the battery % indicator.

Thought, what the h3ll he may be right and what do I have to lose.

So I rode my phone down to 1%.

It lasted (with light usage) for a good 2+ hours at that point before finally dying.

I plugged it in for a full recharge overnight and the next day at work, it was drastically improved.

Whereas the day before a 5 minute game of Angry Birds 2 knocked me from 90%->20%...that day it was only down a few percentage points.

Didn't use it as frequently as I had prior to 13.1.2 but I def used it more often than the previous few days where I was afraid of it dying due to massive battery drain.

It made it the whole day before having to go back in the charger.

We'll see how it goes today but just wanted to let you all know...maybe a full drain and recharge helped.

TL;DR: I had been keeping my phone plugged in all day due to the draining issue, guessing some of you might be doing the same. Unplug, let it die and then re-up completely for (hopefully) a noticeable difference.

Oct 12, 2019 8:11 AM in response to srinivasan.chemi

Battery drain on Iphone 7 Plus after IOS update 13.1.2


My battery lasted 6 hours when the day before the update it went all day and was still at 30 percent.


I check my battery usage and the Notes application said it used 54% of the battery usage. Is the notes app why the battery is draining so quickly? Is it upgrading the notes on my phone? Not sure why it would take that long as i store my notes in Icloud and don’t have that many notes to begin with. Maybe a problem with notes apple notes application on this version of IOS.

Oct 12, 2019 8:13 AM in response to srinivasan.chemi

just adding my experience too, to add more weight to the issue and maybe Apple will take notice and do something. So I have an iPhone 6S, mint condition, very light user. Battery replaced December 2018, battery health at 99%. When this first started after iOS13.1 upgrade, I missed 13.0, I called Apple support. They went into my phone and did a hardware check. They confirmed my battery health was like new. It 100% confirms that it’s not the battery. We did a complete reinstall. Took ages to complete. Then a few days later 13.1.2 came out. It appeared to improve a little but it didn’t. I’ve had the indicator say 2% and then recharged, so I will try to leave it on until it dies today/overnight and see what happens. I tried an experiment today. Full charge overnight and then hardly touched it all day until this evening at about 5.30pm. I just checked email and the like. Phone started heating up and battery drain started instantly, just like a countdown clock within a minute down from 71% to 51%. So switched it off and back on again 5 minutes later. Battery indicator said 71% again and then started the countdown again. I’m now at 45% within 5 minutes. No apps running excerpt safari and this website. Over the week I’ve turned off apps refresh in background, notifications, location services and much more besides. It’s one of THE worst experiences I’ve had with Apple. This is not what we’re used to considering we’re all paying significantly high prices for the guaranteed product performance.

Oct 12, 2019 8:21 AM in response to T4Terry

Here is an update to my post from a few days ago. Started at 100% battery and texted for 2 hours. Down to 45%. It went down to 61% at a little faster rate. Then went to 45% within minutes. I stopped texting and put it on the charger. In about 3 minutes it went from 45% to 80%. Since then it appear to be either stuck at 80% or charging a lot slower. IPhone 8 just a year old.

Oct 12, 2019 9:21 AM in response to wizzer40

This issue of staying at 80% after charging might be the new smart battery charging. It is designed to charge fast up to 80% and then slower to extend battery life. The slower you charge a battery the longer it will last.


Try going to battery Settings - Battery - Battery Health and uncheck "Optimized Battery Charging" and see if that helps.

Battery Drain iOS 13.1.2 on iPhone

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