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Absolutely no chance are you getting those kind of numbers - that would put the 6s at 15 hours + screen on time when new which wasn’t the case.

That said, given the battery health you will be being performance limited which will extend the battery life. Can you post the battery report?

Settings > Battery - take a screenshot?
It isn’t linear! Battery health drop isn’t linear. By my numbers, it saw a very low - lower than 5% - drop (so, negligible), from when it was new. It definitely, absolutely didn’t see a 37% drop. That’s why I said that battery health isn’t relevant, especially if the device isn’t updated.

The most I’ve ever gotten is 10 hours of screen-on time, back on iOS 9, with the other 6s I had. Only once, so frankly, that isn’t representative of anything. It consistently was at 8 hours.

Sure, I’ll post a screenshot.
9648D704-B6E2-48D6-B72A-AEBB852A94A1.png
 
I have been using exclusively iPhones since the first model came out and never took an issue with battery life. With the first several models I switched yearly, but now I hold on to them 2-3 years.

Yes, I always had to charge my iPhones overnight - but I don't mind. And I never used an SE model.

My current 12 Pro Max now has 80% battery and God knows how many cycles - and generally holds 6am to 8pm which is what I need.
 
If they were easy to replace by the user you wouldn’t have such good ratings for water resistance etc.
The fact that Apple offer a walk in service, done while you wait, is enough for me. You get a genuine battery with warranty and if anything happens they replace the whole device.
Lies. Many repairable phones have great water resistance. This is a weirdly perpetuated myth.
 
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If you’re not in the financial position to buy high end, and battery life is your thing; buy mid-tier droid for the mediocre quality and usability but big battery.

I get 30-35 hours out of a charge on my 14PM easily. Never had battery issues with my 13PM or 12PM either.

Your iPhone still has the same fit, finish, and quality of the experience as the others. Small case and screen size means small battery.

As others have said, you’re asking for the laws of physics to change.

I put it this way, there is no perfect, there is always a trade off. That applies to all things in life and it’s as inevitable as summer into autumn.
 
I’m aware of the science behind it. It chemically degrades, but with efficient software, it doesn’t have much impact in actual battery life.
What you mean is software that doesn't really do anything. Try a video encode using imovie, on a 6s and see how the battery life is. Whilst simultaneously listening to Apple Music. Let us know.
[...]

Why are people on older iPads with 32-bit processors able to get good battery life even 10-11 years after purchase? Because the software doesn’t require peaks that are untenable for the battery. Even degraded.[...]
Because the software doesn't tax the battery. Battery life on my ipad 2 on ios 9 is astounding. Slow but astounding.
It is likely that iPhones suffer sooner. The reason is obvious, smaller batteries. I’m not saying that an iPhone will be able to withstand 4000 cycles of a normal user throughout 10 years and see no runtime loss. I’m not saying that this is limitless. There is a limit. But for the current smartphone landscape, that number is too high for it to be relevant.

Grab an iPhone 13 Pro Max with its nearly 4,000 mAh battery. Leave it on iOS 15 forever. Don’t increase the voltage requirements through those power peaks required by updated, inefficient iOS versions with higher power requirements on the same processors. Leave that static.
My max on ios 16 is doing as well (which was never great to begin with) as on the original version (ios 11)
I am absolutely sure that even if it sees a runtime drop, it will be perfectly fine even 8 years later after moderately heavy usage.
No, it will crash and burn if trying to do 2027 tasks with a 2021 phone.
The battery is large enough to withstand capacity degradation without seeing any runtime loss. Why do users start complaining about severely reduced runtime some years after purchase?
Because batteries do degrade.
Because three iOS versions later, those requirements are too high. Extremely heavy users on original versions don’t report that decrease.
Yes, the ios version can do so much more concurrently. Trade off is do more less battery life. That is a good trade off. But my premise is iphones x and later don't really suffer the effects of aging. Of course it can't be proved or disproved except for anecdotal evidence.
 
What you mean is software that doesn't really do anything. Try a video encode using imovie, on a 6s and see how the battery life is. Whilst simultaneously listening to Apple Music. Let us know.
It’ll have the same impact it would have on my Xʀ on iOS 12, comparing it to itself with lighter use.

That is not my use case, but sure, it won’t get to 8 hours with that. Neither will my Xʀ on iOS 12 get to 16 hours. Same difference.
Because the software doesn't tax the battery. Battery life on my ipad 2 on ios 9 is astounding. Slow but astounding.
Agreed.
My max on ios 16 is doing as well (which was never great to begin with) as on the original version (ios 11)
Already discussed. For the rest, it’s probably half-usable, yet far worse.

iOS 12 was the Xs Max’s first version, like my Xʀ.
No, it will crash and burn if trying to do 2027 tasks with a 2021 phone.
Who said usage had to be heavy? Many smartphone users have static requirements. If kept on iOS 15, it’ll do fine. My 2018 iPhone Xʀ would crash and burn if I were to do 2023 tasks going by that logic. I use it just fine.

Besides, you can obliterate a Xʀ’s battery life on iOS 12 anyway.

Full brightness LTE gaming and it’ll last 3 hours, probably. Yes. And?
Because batteries do degrade.
It isn’t relevant.
Yes, the ios version can do so much more concurrently. Trade off is do more less battery life. That is a good trade off.
The latter is subjective, but agreed.
But my premise is iphones x and later don't really suffer the effects of aging. Of course it can't be proved or disproved except for anecdotal evidence.
Already discussed.
 
32-bit devices aged horribly performance-wise, but we are discussing battery life on this thread, and they have aged gracefully as far as that is concerned. It is the opposite for 32-bit devices. Abhorrent battery life, decent performance.
again, not necessarily. The iPhone 4S, which was 32-bit, had battery complaints from day one. From iOS 5.0 all the way up to iOS 9.3.
This article is from 10 days after the phone launched
 
It’ll have the same impact it would have on my Xʀ on iOS 12, comparing it to itself with lighter use.

That is not my use case, but sure, it won’t get to 8 hours with that. Neither will my Xʀ on iOS 12 get to 16 hours. Same difference.
Well no the 6s would be decimated in terms of battery life; youre welcome to encode a long (Multigigabyte movie ad listen to apple music and post the screenshot) . And do that until the battery goes. As far as the xr goes, my xr never got 16 h ours out of the box on a good day. More like 8 and it got 8 when I traded it in for the i14PM.
Agreed.

Already discussed. For the rest, it’s probably half-usable, yet far worse.

iOS 12 was the Xs Max’s first version, like my Xʀ.
Yes, I can't count backwards. My usage for today mirrors my usage a few years ago and the battery life and performance are similar. I'm happy to have day 1 battery life back with the battery replacement, but battery life on day 1 was never great as great could be.
Who said usage had to be heavy?
Using an old phone in a dark room with the brightness turned down, next to the wifi router, while browsing html only sites doesn't prove anything.
Many smartphone users have static requirements. If kept on iOS 15, it’ll do fine. My 2018 iPhone Xʀ would crash and burn if I were to do 2023 tasks going by that logic. I use it just fine.
My xs max does not crash and burn. Possible the xr hardware is inferior.
Besides, you can obliterate a Xʀ’s battery life on iOS 12 anyway.

Full brightness LTE gaming and it’ll last 3 hours, probably. Yes. And?
Sure full brightness, lte and gaming is a better test than in a dark room surfing html only sites next to the router.
It isn’t relevant.
It is relevant.
The latter is subjective, but agreed.
Yep.
Already discussed.
Yep there are three camps. Yes, no and maybe.
 
again, not necessarily. The iPhone 4S, which was 32-bit, had battery complaints from day one. From iOS 5.0 all the way up to iOS 9.3.
This article is from 10 days after the phone launched
Every single device has had specific issues which affected specific users throughout the device’s entire lifespan, original iOS version included.

I don’t see how a specific complaint changes what I said.
 
Well no the 6s would be decimated in terms of battery life; youre welcome to encode a long (Multigigabyte movie ad listen to apple music and post the screenshot) . And do that until the battery goes. As far as the xr goes, my xr never got 16 h ours out of the box on a good day. More like 8 and it got 8 when I traded it in for the i14PM.
It probably won’t be good, but I don’t see how that changes anything.
Yes, I can't count backwards. My usage for today mirrors my usage a few years ago and the battery life and performance are similar. I'm happy to have day 1 battery life back with the battery replacement, but battery life on day 1 was never great as great could be.
Probably because your usage is heavier. We’ll never agree about it being the same today on iOS 16 as it was when new on iOS 12.
Using an old phone in a dark room with the brightness turned down, next to the wifi router, while browsing html only sites doesn't prove anything.
Your use case isn’t the only correct one.
My xs max does not crash and burn. Possible the xr hardware is inferior.
Neither of those devices crashes and burns.
Sure full brightness, lte and gaming is a better test than in a dark room surfing html only sites next to the router.
Disagree, completely. An extremely heavy test isn’t representative of the real world. You see people killing the 13 Pro Max within 5 hours. Nobody uses their phone like that all the time. It is neither realistic nor relevant.

Mixed usage? That I can get behind.
 
It probably won’t be good, but I don’t see how that changes anything.
It's all in the expectations is what changes. If I'm getting 6 hours of battery life on ios 12 from day 1 and 6 hours of battery life on on ios 16 with a new battery, my expectation is that ios releases do not decrease battery life. If you fervently believe they do than they do and you will find rational to prove it.
Probably because your usage is heavier. We’ll never agree about it being the same today on iOS 16 as it was when new on iOS 12.
True.
Your use case isn’t the only correct one.
Neither is yours.
Neither of those devices crashes and burns.
That doesn't mean due to the hardware differences they don't get different battery life and depending on usage battery life is per person.
Disagree, completely. An extremely heavy test isn’t representative of the real world. You see people killing the 13 Pro Max within 5 hours. Nobody uses their phone like that all the time. It is neither realistic nor relevant.
Neither is an extremely light test in a dark room next to a router browsing html only sites. I could do that with my xs max, waste a day and prove my battery life is superb. But what is the point of the point other than to win an internet discussion.
Mixed usage? That I can get behind.
There is no one right way to use case for the iphone. Newer phones do better because of better hardware, oled screens, battery saving technology, new cpu designs, better wifi and cellular chips etc.
 
so i daily'd an iPhone SE second gen for the last 2 and half or so years, and i'm leaving the iPhone now.

the reason is battery life. it was ok when my SE was new, but now it's at the point where it's basically empty around dinner time, which is not fun. i'm not a heavy phone user either. i don't play games or watch movies on them, i use my computer for all of that. my phone is used for music while i'm cycling (an hour or so a day), texting and a bit of scrolling twitter when i'm outside smoking. totalling 2 hours ish of screen on time a day and an hour of screen off playing music a day.

the phone i'm switching to is an old one i bought from a friend of mine. it's a midrange phone from 3 years ago, an Oppo A72. the reason for the switch is this:
Screenshot_2023-05-06-17-03-58-23_b7ff6dd0e181029d8492f0876df908d6.jpg

now, i haven't charged it since i got it from him. i did an OS update as it had been collecting dust for a year since he bought an iPhone 11, i installed all my apps, synced all my stuff and then used it like i normally do. all without charging it at all. and i got more than 2 days.

mind you, this phone is old. it's not brand new by any means.

this brings me onto my rant about the iPhone. why can't Apple put a decent battery in the lower end models? this Oppo was a midrange phone around the same time my SE 2 was new, and look at the difference. it doesn't take much browsing around either to find that most low end android phones that cost less than the cheapest iphone have WAY bigger batteries. why can't Apple do that?

i know if you buy a high end iPhone, you won't have problems. but why must apple be so mean to the lower end phone market? why not put a decent battery in those? i simply don't understand it.
"and the money's multiplying, and the people keep on buying!"
-lorax movie quote, and literally applies to this situation
 
Every single device has had specific issues which affected specific users throughout the device’s entire lifespan, original iOS version included.

I don’t see how a specific complaint changes what I said.
The iPhone SE second generation also had battery issues from day one, that’s what I’m saying.
 
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That said, given the battery health you will be being performance limited which will extend the battery life. Can you post the battery report?
I also missed this detail: I don’t have throttling. Throttling for the iPhone 6s was added in iOS 10.2.1

My version is an earlier version of iOS 10.

My iPhone Xʀ runs iOS 12, and throttling for the Xʀ was introduced in iOS 13.1.
 
so i daily'd an iPhone SE second gen for the last 2 and half or so years, and i'm leaving the iPhone now.

the reason is battery life. it was ok when my SE was new, but now it's at the point where it's basically empty around dinner time, which is not fun. i'm not a heavy phone user either. i don't play games or watch movies on them, i use my computer for all of that. my phone is used for music while i'm cycling (an hour or so a day), texting and a bit of scrolling twitter when i'm outside smoking. totalling 2 hours ish of screen on time a day and an hour of screen off playing music a day.

the phone i'm switching to is an old one i bought from a friend of mine. it's a midrange phone from 3 years ago, an Oppo A72. the reason for the switch is this:
Screenshot_2023-05-06-17-03-58-23_b7ff6dd0e181029d8492f0876df908d6.jpg

now, i haven't charged it since i got it from him. i did an OS update as it had been collecting dust for a year since he bought an iPhone 11, i installed all my apps, synced all my stuff and then used it like i normally do. all without charging it at all. and i got more than 2 days.

mind you, this phone is old. it's not brand new by any means.

this brings me onto my rant about the iPhone. why can't Apple put a decent battery in the lower end models? this Oppo was a midrange phone around the same time my SE 2 was new, and look at the difference. it doesn't take much browsing around either to find that most low end android phones that cost less than the cheapest iphone have WAY bigger batteries. why can't Apple do that?

i know if you buy a high end iPhone, you won't have problems. but why must apple be so mean to the lower end phone market? why not put a decent battery in those? i simply don't understand it.
Dude get a 14 Pro. Had mine for 5 months and battery is excellent. I rarely charge it to 50% and it'll last all day.
 
[...]

32-bit devices aged horribly performance-wise, but we are discussing battery life on this thread, and they have aged gracefully as far as that is concerned. It is the opposite for 32-bit devices. Abhorrent battery life, decent performance.
Yes 32 bit devices are slow with good battery life. 64 bit devices depending on model can show little to no battery life drop (or performance) on ios 16 vs the original ios version. (Of course all of this is subjective)
 
I keep my iPhone for 5-6 years, it's usually around 2.5 years of use, and the battery starts deteriorating. It is pretty common for most phones, and the battery degradation accelerates around 2-2.5 years. I wish Apple would bring back $29 battery replacement program.
 
The iPhone SE second generation also had battery issues from day one, that’s what I’m saying.
Yeah, but that’s just because the device doesn’t have great battery life by itself.

I reckon that if users complain about the SE’s battery life on its original iOS version, it’s simply a matter of misplaced expectations. The iPhone SE has the same battery life as every 4.7-inch iPhone on its original iOS version: 7-8 hours of light use, 5-6 of moderate use, and heavy use depends on the heaviness of it, but it’s less than that.

As long as the user is aware that this is the case, I don’t see the problem. However, I saw many say “I bought an iPhone SE thinking its battery life was good. I only get 4 hours at best and it is new on its original iOS version. High brightness because I was outdoors, a little camera, and then mixed usage with social media, some web browsing, and the vast majority of LTE”.

Well... yes? How much do you expect from the SE with that usage? That’s what any 4.7-inch iPhone would get with that usage.

Lighter users are happy with it, and as far as battery life goes, they’re its target users.
 
Once upon a time mobile phones were exactly what they said on the tin, phones that you could take out and about. They were mobile.
In those days Nokia was the king, their phones had monochrome screens and little bleeps for sound. They could make calls and their messaging features were purely platform agnostic (yes SMS is outdated, but is still the only truly reliable way of sending a message to another mobile device).
Back in those days I worked at Nokia and for a long while I refused to give up my beautiful 7110. I also had to replace my battery after 18 months in order to get the same multi-day runtime, that I had when it was new. This beautiful technological marvel couldn’t even have its software updated, it’s still next to me now on its launch version over 20 years later.

Essentially the moral of the story here is that software updates don’t kill battery life, the only thing that causes issues is usage patterns and time.
If you want to prolong the life of your phone battery, charge it to around 70%, turn it off and never use it again.
It’ll still degrade due to the passage of time though I’m afraid.
Alternatively, you could stop worrying about it. Charge your phone overnight and replace the battery wherever it no longer lasts a day.

But please, for the love of all that is just and right with the world.
If you’re never going to update the software, turn off all data and stop using it online, because you’re just asking for trouble.
 
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Once upon a time mobile phones were exactly what they said on the tin, phones that you could take out and about. They were mobile.
In those days Nokia was the king, their phones had monochrome screens and little bleeps for sound. They could make calls and their messaging features were purely platform agnostic (yes SMS is outdated, but is still the only truly reliable way of sending a message to another mobile device).
Back in those days I worked at Nokia and for a long while I refused to give up my beautiful 7110. I also had to replace my battery after 18 months in order to get the same multi-day runtime, that I had when it was new. This beautiful technological marvel couldn’t even have its software updated, it’s still next to me now on its launch version over 20 years later.

Essentially the moral of the story here is that software updates don’t kill battery life, the only thing that causes issues is usage patterns and time.
If you want to prolong the life of your phone battery, charge it to around 70%, turn it off and never use it again.
It’ll still degrade due to the passage of time though I’m afraid.
Alternatively, you could stop worrying about it. Charge your phone overnight and replace the battery wherever it no longer lasts a day.

But please, for the love of all that is just and right with the world.
If you’re never going to update the software, turn off all data and stop using it online, because you’re just asking for trouble.
I miss those old Nokias, I had a 3210 (never ending battery life it felt like) a 7650 (I believe the first camera phone from Nokia), a 8210, that was my favourite plus a few more, one even had a circular keypad which was horrible, and they all could have firmware updates to the Symbian platform at the Nokia shop near me, not many updates but there were a few to iron out bugs, the buggiest being for myself the 8310 that looked pretty but had issues, my favourite was the N95 8GB model. Still miss that, and the battery life. I also miss my Sony Ericsson P910i writing on that was so fluid, but that soft screen would scratch if you looked at it without a screen protector, no glass back then for those style of phones. Nothing so exciting these days but we have hit a plateau in oblong world, now its thin bezels which I care nothing about and even on the 14 Pro I keep making the screen apps wobble because the bezel is thin, god help the 15 Pro thingy do dah. A camera that is pure fugly, and this years phone looks ok from the mock ups but its no reason to update from a 14 Pro not even for USB C the loosest connector I've ever had.
 
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