iOS 10.1 Battery drain

Hey, it is unfortunate you are experiencing this. Your battery appears to be defective. Correction- it is defective. Whatever caused the issue is, to some of us, not as important as helping you resolve it. Ref battery, there are several ways you can go about it, including any authorized battery service center in your city.

Apple takes its feedback at http://www.apple.com/feedback/iphone.html

The other twelve that replaced their battery have resolved it. Also, there are rumors that this forum is also read by tech industry journalists checking facts. If your replacing the battery and it works, that is another tidbit that matters. I do not know what Apple is doing about it, but it is a sure bet that the tops at Cuppertino will have to answer questions these fast approaching days.

in response to Mschefmakr

"I'm to the point that I'm ready to see if buying a new battery will help but I am wondering if I should go ahead and upgrade to 10.2 before I get a new battery installed or whether to leave it at 10.1.1. Any suggestions?"

I did an upgrade to 10.1.1 and it hosed everything. Then I tried to go to a Beta that didn't change my underlying battery issue.

I did a recovery Mode Factory reset that updated me to 10.2 by that time. Then I had the battery replaced.

I would say that updating to 10.2 will have no ill effects except on the existing battery. You may find that 10.2 accelerates the bad battery behavior of rapid drain and spontaneous shutdown. However a new battery will work just fine with 10.2

I would upgrade to 10.2 and then swap the Battery.

You won't be sorry.

Hey genya, I would never brush your question aside, but I cannot answer it. 😕 Your question enters the broader interpretation of the phenomena, apple revenue strategy; users going in that direction or writing as you had posts deleted, with Community Forum reminders and warnings of account suspension. Apple Support Communities Use Agreement lists the forum acceptable topics. If you can track news separately, or provide Apple feedback via their feedback page is the best and only direction I can provide. At the moment there is no room of maneuver to answer philosophically or industrially. Maybe later that will make sense.

Hope you can understand that tangible, practical solution tips is the best that those whom resolved it can offer here. Some people were fortunate to have Apple support replace their battery, or even iPhone. Or authorized repair centers etc. What I do find amazing, however, is that total strangers can come here, discuss it and resolve successfully the issue for so many.

Genya, you sound very smart and able to read between the lines. I am not arguing with you, just explain that my hands are ties. Do you ever use your apple id.. facetime, imessage etc.. it only works if not blocked. If posting against the forum guidelines, that can happen. Also they can contact your employer, it says at Apple Support Communities Use Agreement. Above, you will notice a lot of responses to people whose posts appear nowhere as the original must have been removed.

"replace their prevoiusly flawlessly working batteries." Maybe the previous yr plus. Not only we do not know them being flawless during the shutdown period, but if the replacement resolves it, means the previous were not at all flawless. I also know that some people play Pokemon Go and do 700 cycles in 12 months. Sorry, but those batteries are done, would you not agree? It states it in apple's battery FAQ. Quite a few of those whom replaced successfully admitted that their prev batteries had gone well over the official shelf life. Discussing how the sequence happened for those failing to fully fail may not be deemed acceptable by those reading the forum more and more carefully.

Since there is a known issue in regards to the iPhone6s battery issues. You may want to visit this website to see if your device is one of those that is eligible for a battery replac

https://www.apple.com/support/iphone6s-unexpectedshutdown/

I would suggest that you visit this link just to check to see if your device is eligible for a replacement

https://www.apple.com/support/iphone6s-unexpectedshutdown/

You can also visit as well:

http://www.apple.com/batteries/maximizing-performance/

You can also download Apple Support App and it will provide with some helpful information in regards to your issue

Genya, I am jealous- living in a colder climate with nothing so romantic looking like the Danube during a summertime evening.

Can provide you some pointers. First if you get a chance, check out the youtube video "Life Cycle of a Lithium battery pack, how many cycles should it last?" And basic Li Ion short videos. Then the Apple battery website may give you additional ideas how the potency has gone up for laptops, from 300 to 1000 cycles, and operating parameters:

Determining battery cycle count for Mac notebooks - Apple Support

http://www.apple.com/batteries/maximizing-performance/

By now, you know that it all boils down to how those Electrons travel through the circuit, and Lithium Ions go back to the positive cathode. A car analogy would be the fuel line and fuel pump. If a car's engine just shuts down, it is far more likely that the causes could be fuel line leak, dry tank or fuel pump long before the ECU computer having a code error. You have to trust honest feedback experience that I did try in the past 3d party batteries numerous times. Am allergic to them as, dubious quality or source, they could last from a few weeks to just a few cycles. Wasted time and money, often unable to return them as, when defective, they are classified as dangerous goods. The Li liquid inside, if not produced under stringent QC, is never going to work predictably. A few hours of ambient air overexposure can fail them during assembly - is happened even to the 6S recall. And any shutdown like you re experiencing suggest that, in the lower Depth of Discharge (sub 30%), your particular battery cannot deliver those electrons. Fuel is cut off. You are also welcome to go read 3d party reviews on Amazon, some are really bad, 30-50% failure in weeks. As the video explains, the module controller is another key part- and Apple's modules tend to be very good and meant to work and calibrate with Apple's own firmware. Once you introduce non-OEM of questionable quality, no technician on the planet can guarantee a long term working battery. And the fact that your got 2 years of the previous one, amazing but not the norm.

So am not trying to convince you to spend money, just that, technically speaking, I would never have expected your non-OEM battery to work more than a dozen to a few hundred cycles. And, as all those here whom replaced them resolved it, am quite confident that where you to do so, it will work for you. I still recommend an Apple Authorized Serivce center, via https://locate.apple.com/hu/en/service/?pt=3&lat=47.5&lon=19.0833333&address=Bud apest&carrier=T-Mobile

If this does not work, welcome to come back and call me names. But am very confident it will work and, in your case, it is not iOS related even if it appears so.

've had my iPhone 6 for well over two years with no issues [...] I've had three iPhones - a 3G, 4, and this 6 - over the last 9 years with barely a problem The good news for you is that your issue is resolvable- fully, and no it is not the iOS. At x1 daily cycles, you went through 730 cycles / 24 months. Amazing. At x 1.5 that is 1000 cycles- superlative. yet you did that to a 500 cycle/80% battery http://www.apple.com/ca/batteries/service-and-recycling/. Which means, if you check all the prev posts, you were well over its operational life. Just electrical science, if you wish arguing that, Battery University is your start. Your Li Ion ferrite liquid had nothing left to give and was any cycle away from going bad. And yes, when they fail, they have the exact symptoms.

Withing the dozen whom all successfully replaced battery, all those that had high shelf life came back later to admit expecting too much.

The 3/4/5 examples are poor- just the screen drew as much as half less amperage! The whole phone had 50 times less uses than today (esp the 3). Usage also matters. My Gf has 800 cycles on her 5 as she barely lets it drop below 30% (the key Li Ion live or die figure). Had I used my battery 100-10% full through in the iraqi desert like some friends did, they did not get fifty days out of it... Again, battery university will give you a good idea as to the industrial lifespan.

I understand the user above with 400-500 cycle issues, but not you.

So the good news is that it is fixable, unlikely to be the iOS, and once you replace the old battery with a new one, issue is gone.

Malanthius, am not defending the OS nor condemning it. I replied to specific cases of 700-1000 cycles as operationally done. Used http://www.apple.com/ca/batteries/service-and-recycling/ as a reference. This is a bullet proof argument: if anyone has passed 500, 600, 700, 900 cycles, it is an awesome feat and well above design. fact. Science also tells us that they can fail, at that point suddenly. Fact. If you disagree with that, you would have to write a thesis defending the contrary and it will not pass any technical review. google "Android battery drop to zero" and you get 389.000 results... Is it iOS? Nope, Androind is not iOS. Same symptoms. Science fact. 600+ cycles, it is kind of unrealistic to expect 4 years on a 6/6S as a prev user claimed. 2,100 cycles? That is aeronautics grade...

Oh Bel, are you still here? Bless your cotton socks. You are telepathic. I rarely use cotton socks, but after a surgery last week and on crutches, asked the gf to buy me a bunch and am happy not to be cold.

No long essays- and happy it worked for you. http://www.apple.com/ca/batteries/maximizing-performance/ and http://www.apple.com/ca/batteries/why-lithium-ion/ answers it. Check out temperature explanation. What maybe new to some users is Depth of Discharge; sub 30% discharge is a different beast than 100-40. Repetitive high drains sub 40%, even a dozen, can spoil the Li liquid. Dries faster. In the Iraqi dessert all makers failed in a dozen days. I had a sandwich mini cooler pocket, and kept my phone off from 7 AM until 9 PM nightime when it dropped to 90F and no problems.

lets try this again. So if your phone is two years, and you live and Brazil, chances are you may have gone several days over 40C, a week at Copacabana can be too much for electronics http://www.apple.com/ca/batteries/maximizing-performance/ Anything over 35 is too hot. If you have lots of cycles >700 in a hot humid climate, not the same as Europe. Maybe authorized centers around you can provide accessible options.

"Your battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles. The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers a battery service. Prices and terms may vary." at http://www.apple.com/ca/batteries/service-and-recycling/. Watch and iPad are 1000, but only up to a third/500 cycles for iPhone. Hopefully your provide feedback as to how it works?

Hey toothsaw, when you plug in the battery pack you do several things. You got from wall AC/DC adapter straight to battery DC current. You also change the amperage. The value of the adapter is well explained here, and if ever there is a reason to prefer Apple original vs fakes is here: http://www.righto.com/2012/05/apple-iphone-charger-teardown-quality.html?m=1 . The 6 can only do 1.6 Amps, the wall cube (hopefully original) 1 Amp. Your battery case, something else- likely within specific specs, you might know that but without hooking it up to measurement tools hard to tell. I once had to buy a convenience store charger as I misplaced mine, after I was done I threw it away.

Power rating for iPhone 6s charger ?

http://www.apple.com/ca/shop/question/answers/iphone/will-a-21-amp-charger-damag e-my-i-phone-6-s-plus/Q2DXC4PTJ7KADKF9Y

What all of this means is that if you get different results with different currents, the correct lab/class troubleshooting solution is to suspect immediately the battery. I do understand that it started with the iOS- itself with own amperage, but the technical step is always the same. Apple Support at Genius Bar or Sr Apple Support should be able to assist you and your issue will be resolved. Perhaps you are over 600 cycles, and it all comes down to the same technical steps.

A bit of anecdotal evidence, had a new iPhone 4 dying in a month a few years ago. In my case I had bought with the iPhone 4 a Belkin car adapter from the Apple Store and was doing hundreds of miles of Hwy driving that month, phone plugged in. I lost 3 car fuses in that month, and the iPhone right after. Fuses # 2 and 3 were my experiment to isolate the issue- it was the Belkin Adapter, one fuse per long ride; provided Belkin feedback, Apple reimbursed me, shortly after they were gone from the store. Could not have been isolated. Since then, minus that convenience store emergency, never again let a non-Apple device providing power to my Apple device; and I cycle the Apple adapters once in a while.

"right after the iOS update 10.2 > 10.2.1 my iPhone rebooted on 50% brightness although the slider was to 100%. I never set autobrightness to ON neither set the Low Battery mode. At that point, the device had about 40% battery remaining." dear alexander, all my Cyprus friends are like you: fiery and determined, no nonsense. That is how you guys built the hellenic civilisation and fought off invaders. In this case, i can only point to your ancestral greek problem solving, methodical, logical. My 6S is so bright I can never use it pass 50% At night I dim it to 0. And running latest build. So there is clearly an issue- no idea yet. Is Low Power enabled? Auto brightness (I anticipate you replying No). Reports for such a dimming issue, rare go as far back as iOS 6 iphone 5 iOS 6 screen dimming problem. Anyway, the classic steps, try Sr Apple support, explain the absolute importance of the issue. Or Genius Bar. I think your odds of resolution are very high 🙂

Try checking with your phone's serial number on the below link: (You may turn out to be lucky, Apple plays it like a lucky draw!!! )

https://www.apple.com/support/iphone6s-unexpectedshutdown/

It still says September to October, but the guy at Genius Bar told me they recently extended it by a week because of a lot of complaints from customers. (The guy was empathetic for my situation, because probably he's seen a lot of customers coming for help with similar issue. But the company is still in denial mode!!!) In case you haven't submitted a formal feedback/ complaint to apple on their website, please do so.