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iPhone 6 battery suddenly draining fast

I've had my iPhone 6 since the end of October 2015. Everything has been great, until recently. Suddenly, my battery drains A LOT faster than usual. I never let the percentage get below 50%, and I don't have many apps, the brightness is always halfway, and it's on DND overnight. I have AppleCare, but would they replace the battery or would I have to buy a new phone through applecare? Thanks.

Posted on Mar 1, 2016 8:27 AM

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Posted on Jan 18, 2017 3:14 PM

my phone is doing this too!

My battery dies less than an hour after full charge to 100% and takes giant leaps forward toward death. For example, battery charged fully overnight, battery meter at 100%, I send a text message, 10 minutes later 80%, make a 5 minute phone call, down to 50%, then scroll the internet for 5 seconds and the "battery power less than 20%, low power mode" option pops up, then i hit ok to choose low power mode and it goes to 1% before my eyes instantly. I plug it in and immediately back to maybe 50%! i'm gonna post this separately to see if maybe there are new responses.

160 replies

Mar 9, 2017 12:47 PM in response to dylanS98

My iPhone 6 battery started draining inexplicably just two days ago after two years of trouble free service. I could almost watch the battery percentage go down by the minute. Very weird. Anyway, I combed through the threads below, nuked my Uber app and turned off the 'show parked location' option and it seems to have fixed the problem. Thanks to all who contributed to the fix!

Mar 11, 2017 4:26 PM in response to dylanS98

Same thing happened to me. The strange thing is, my boyfriend has an iPhone 6 purchased at the exact same time in 2015 (through AT&T) mine is through Verizon. He has zero issues. Ever since I upgraded to iOS 10, my phone has been draining like crazy, and dying completely between 50% and 30%. I had to purchase a charging case, tried turning off GPS location, nothing works. I will probably have to try back-up restore next...

Mar 12, 2017 3:40 PM in response to randy514

Apologies for the rambling. Hopefully 3 time's the charm. It continued to drain even on wifi so I searched again and found this link. I checked the battery consumption as advised and noticed my 'Calendar' app was consuming 49%! I updated all my apps and after 24 hours, the battery appears to be functioning normally now. http://www.gottabemobile.com/how-to-fix-bad-ios-10-battery-life/

May 4, 2017 11:50 AM in response to dylanS98

I had the same thing happen to me. I tried almost everything listed here, none worked. Went to Genius bar and they replaced the battery in my phone. This did not help. After 3 more visits to Genius bar the replace the phone. I set the phone up as new and did not do a restore - same issue. I again reset to factory and DID NOT ADD ANYTHING TO THE PHONE - NO APPS, MAIL, NOTHING - same issue. Went back to Genius bar - they replaced the phone again - NO CHANGE. At this point the phone is mostly unusable and Apple is of no help. At this point I am convinced it is an iOS issue since a complete factory reset with wiping all data and not adding anything does not resolve the problem. I would try to do the setup of the phone without any iCloud connectivity to verify there is nothing there causing an issue but this is not possible.


I will likely trade this in for an Android - this was my first iPhone and it has not been a very good experience and is not just terrible.

Jul 26, 2017 8:20 AM in response to dylanS98

I am having the same problem as most of the people on this Topic, Originally my iPhone was on 9.3.3 and it was working beautifully until I noticed my battery life was draining so fast that I didn't do anything to change the setting or anything like that. I decided to turn off location and notification but that didn't make any difference. So I decided to update from 9.3.3(June 2017) to 10.2.1 but that didn't solve the problem, Often will shut down when I open a specific app like SnapChat when I had like 43 percent battery life. It won't turn on until i use the charger and it will finally turn on then jump back to 43 percent. This has happened all the time. So I went by UbreakIfix to have them replace the battery, that solved the problem but shortly after that, they messed up my BlueTooth, Wifi(2.4ghz), and GPS. None of it works right and UbreakIfix WON'T fix it what they broke So Do not go by New Port Richey, Florida location to do your repair. I have tried to back up and restore to factory setting and even updated it to 10.3.3, that didn't solve the problem.

My iphone was from ATT then switched to Verizon with the same phone and unlocked. Today, My wife is facing the same issue where hers will drain down quickly for no reason. She upgraded to 10.3.3. a few days ago.

Jul 27, 2017 6:38 AM in response to carelle824

This sums it all up in my opinion Carelle824 . I'm having the exact same issue. The battery is all over the place on my 6. I'd like to hold out to purchase the 8, but heck I don't even know when that's coming out for sure. And, I also need a usable phone between now and then and mine is now powering off on its own on top of draining the battery in no time. I'm headed to the genius bar tonight, but I suspect that will be a joke. However, when I click on battery under settings it does say right there..."Your iPhone battery may need to be serviced" and I think the word may is cute, because it's soooo obvious it needs something.

Oct 14, 2017 11:06 AM in response to dylanS98

You are not alone. I had the exact same problem with the iphone 6, starting about September 2017. Dramatic drops in power from 100% to 60% to 10% for no apparent reason. Went to the apple store and they now have a diagnostic they can run that confirms that the battery is officially "Consumed".


Those are nice words that really mean: Apple Engineers specified a battery in the iPhone6 that doesn't last longer than 3 years and its up to the consumer who paid nearly $800 for the largest memory version of the phone to decide whether to pay $80 at the Apple store to have the battery replaced, take a risk with a 3rd party to replace the battery, or spend another $800-$1000 on a replacement phone. On top of that, they make you wait a couple hours at the store and don't even employ the technology to text you when its ready.


The good news is that for the thousands of people having this problem -- its normal and expected and you don't have to waste time reinstalling the OS and all those time wasting activities. Its simply a fact that the Iphone 6 battery is not designed to last long and Apple fully knows this as their diagnostic tools now confirm it.

Oct 15, 2017 7:53 AM in response to QualityIsImportant

It sounds like the answer is to switch to Android since Apple seems to have gone steadily downhill for the last half-dozen years both in the quality of their products and, especially, in the quality of customer service. My wife's 6s started doing the exact same thing as yours also in September. It now goes from 100% to <15% in a few hours with nothing turned on and no activity on the phone as far as app, calls, etc.


The nearest Apple store is 45-60 minutes away necessitating spending at least a half-day traveling and waiting for the "geniuses" to fix what should be a mail-in, free, fix.


I can buy an Android phone and have it delivered tomorrow with no hassle, less money, and I haven't heard anywhere near the number of problems with service that Apple keeps piling up.

Oct 21, 2017 10:08 PM in response to QualityIsImportant

Having similar battery issue with my iPhone 6 all in a blue a week ago. Have the battery replaced twice and to no avail. Went to Apple Store tonight and specialist said they could not help since I have the battery replaced by a third party etc. A bunch of crap. I intended to get an Apple X. But now will opt for an Android phone. Lost my loyalty to Apple and very disappointed on the way this issue was handled.

Oct 21, 2017 10:37 PM in response to dylanS98

Since I've updated my iPhone6 to IOS11, my battery has been running down faster than normal.

I have done these things to try and extend the battery life;

- turned off background app refresh

- turned off as many notifications as possible

- turned screen brightness to half

- set Auto Lock to 1 minute

- turned Siri off

- use home wifi

- turned off iCloud (only use it for Photo Stream)

- Bluetooth is off when I'm not using it

- when I charge, I only charge to 80%

I also did some other things mentioned in the link below. I don't know whether it was one particular action I took or a combination of some or doing all of them but my iPhone's battery now lasts the same as it did prior to updating to 11.


https://www.iphonelife.com/content/how-to-fix-battery-drain-ios-10-iphone-10-tip s-longer-battery-life

Oct 31, 2017 8:06 PM in response to dylanS98

Isn’t it a little fishy that all this is happening when the new iPhone is coming out, it’s obvious to me that it’s intentional.... they are simply pulling a few thing that would bug you enough to make you want to get a new iPhone. The same this is happening to my brother that got his phone the some time I did. It should last way longer than this and not so sudden ether.

iPhone 6 battery suddenly draining fast

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