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I don’t use non-Apple apps. “Pre-iphone’ means 2006 or before. Battery technology has increased potently in that period.
I don't want to be rude but if you never update your phone, only use the basic apps that comes with it and you charge your phone every 10 days it sounds to me like you practically don't use your phone at all. I wouldn't recommend anyone to spend over $1000 for a new phone if they intend to never upgrade it and use it at a point that it last 10 days (I admit I'm hardly believe a phone can last that long)
 
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I don't want to be rude but if you never update your phone, only use the basic apps that comes with it and you charge your phone every 10 days it sounds to me like you practically don't use your phone at all. I wouldn't recommend anyone to spend over $1000 for a new phone if they intend to never upgrade it and use it at a point that it last 10 days (I admit I'm hardly believe a phone can last that long)
I wouldn't pay a thousand bucks for a phone either. That's immoral price gouging by Apple for their shareholders. I generally only buy an iPhone every five years. My 5 lasted me that long and I hope to get 6 years from my 6S which is running iOS 10 and was purchased refurbished. Perhaps that's why you can hardly believe it in that it's still running iOS 10 which doesn't suffer from iOS 11 battery drainage issues.
 
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I wouldn't pay a thousand bucks for a phone either. That's immoral price gouging by Apple for their shareholders. I generally only buy an iPhone every five years. My 5 lasted me that long and I hope to get 6 years from my 6S which is running iOS 10 and was purchased refurbished. Perhaps that's why you can hardly believe it in that it's still running iOS 10 which doesn't suffer from iOS 11 battery drainage issues.
Even with iOS 10 phones weren't generally lasting that long unless they weren't really used.
 
Even with iOS 10 phones weren't generally lasting that long unless they weren't really used.
What do you mean by this? I don't know about the 6, but I'm absolutely certain that both the 6s (plus and regular) and the 7 (plus and regular) had amazing battery life on iOS 10 (and 9, in the 6s's case). That battery life was really affected by iOS 11. Not only did I read a lot about those battery issues, but I experienced them myself with friends' devices I've tested.
An iPhone 7 lasted about 5 hours on iOS 11, when it previously was lasting 8 hours easily (essentially what my 6s lasts on iOS 9), an iPhone 6+ not only worked poorer in iOS 11, but was getting slightly worse battery life than my regular 6s on iOS 9. (In my experience, with the same usage, both devices in initial iOS versions, the plus phone should last between 1.5 and 3 more hours depending on conditions - brightness, Wi-Fi or Cellular, etc). So the slightly worse results in a lot worse when you take into account how long should the battery life be on a Plus.
 
What do you mean by this? I don't know about the 6, but I'm absolutely certain that both the 6s (plus and regular) and the 7 (plus and regular) had amazing battery life on iOS 10 (and 9, in the 6s's case). That battery life was really affected by iOS 11. Not only did I read a lot about those battery issues, but I experienced them myself with friends' devices I've tested.
An iPhone 7 lasted about 5 hours on iOS 11, when it previously was lasting 8 hours easily (essentially what my 6s lasts on iOS 9), an iPhone 6+ not only worked poorer in iOS 11, but was getting slightly worse battery life than my regular 6s on iOS 9. (In my experience, with the same usage, both devices in initial iOS versions, the plus phone should last between 1.5 and 3 more hours depending on conditions - brightness, Wi-Fi or Cellular, etc). So the slightly worse results in a lot worse when you take into account how long should the battery life be on a Plus.
The context of that was an earlier post that has been discussed a few times in this thread:
I charge my 6S running iOS 10 once every 10 days when I'm not traveling and once every 3 days when traveling. My rule of thumb for upgrading the OS on an iPhone is this: Don't.
 
My 6S is great so far on iOS 12. Of course, I just got its battery replaced for free so that’s that. :) Might even skip the XR and just continue with my 6S.
 
The context of that was an earlier post that has been discussed a few times in this thread:
No, I knew the context. I thought you were referring to battery life in hours of use, not his specific case in days of standby.
 
Unfortunately iOS 10->iOS 12 is a one way door through which my 6S will never travel :)
Agree with you. I've got three 6s with IOS 9 to IOS 11.
IOS 10 was great and IOS 11 was terrible, big fonts and everything.
IOS 11 was designed for iPhone X just like IOS 12 is designed for iPhone Xs Max. Now I'm using iPhone X on IOS 11.4 and it will stay there, 8-10 hours of usage is pretty goof battery and no need to risk with IOS 12. As you said I don't need emojis or measure app. People desperately need something new but in reality there is nothing new in IOS 12. btw. I still miss IOS 9 style grouped notification...
 
Agree with you. I've got three 6s with IOS 9 to IOS 11.
IOS 10 was great and IOS 11 was terrible, big fonts and everything.
IOS 11 was designed for iPhone X just like IOS 12 is designed for iPhone Xs Max. Now I'm using iPhone X on IOS 11.4 and it will stay there, 8-10 hours of usage is pretty goof battery and no need to risk with IOS 12. As you said I don't need emojis or measure app. People desperately need something new but in reality there is nothing new in IOS 12. btw. I still miss IOS 9 style grouped notification...
If you want grouped notifications update to iOS 12.:)
 
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I love installing and testing out betas. Don’t know how anybody could stay on the same release for years on end. o_O
I am more surprised with my ability to not care much about newer apps. I mean, I like to try a lot of apps (I download so much when my device is in the latest version). But app availability is unmistakably dwindling for iOS 9, yet, it doesn't manage to bother me so far. (I don't have a single device in an iOS version newer than 9. Not one).
But, on the other hand, I really like flawless performance. I am using a 5c on iOS 9 that works almost perfectly fine, barring a little keyboard lag, and it is overall slower than my 6s on iOS 9, and believe me, I really notice those little quirks. It's like, that really took longer to load than expected, or, this battery life is at least 2 to three hours less than my 6s (if not more. I have it as a backup phone with no cellular data. If I had cellular data, and if I used it as my main device, I'd probably get something under 4 hours, while my 6s gets 8 seamlessly).
So, if I'm talking about preferred tradeoffs, I undoubtedly prefer an older version, no matter how old a version it may be. Give me 5 versions behind, I assure you I won't mind, even though I'd like the app compatibility.
 
I'm on a 6S and have yet to upgrade to iOS12. I usually wait for a .x update before doing an upgrade to the next major release.
 
Iphone 6s user.
Had 10.3.3, I tried to install iOS11, I was scared with glitches and battery drain and went back.
So I am coming from 10.3.3 now to iOS12.
It really flies. Super fast, maybe faster. Like a new phone. Amazing update for an older phone in terms of efficiency.
However, again I am not at all satisfied with the battery. Something goes really wrong. I am having drain when I am on screen and using the phone, not in standby. I may lose all of a sudden 3-4% in a minute. Some crazy jumps like that are not normal. I may open 4-5 safari tabs and lose 6-7%. With Low Power Mode enabled things are much better.
I have turned off all not needed features and be careful with the fetching of mail, apps using my location, siri search etc. I have the same settings as in 10.3.3. However it drains a lot faster. I will try to calibrate the battery this weekend, hope it improves a bit, cause it is very disappointing. The only disappointing thing but important one.

Have you any updates from your own research on your iPhone 6s with iOS12.0?

I have the same user experience as you; but upgrading an iPhone 6s Plus from 10.3.3 to 12.0.

In terms of performance, everything is great! ;) (I cannot believe it after waiting more than a year to update my iOS :oops:; but true! and happy about it :D), and as you said, maybe even faster on iOS12 than I had on iOS10.3.3, but as trade-off, the battery draining is also much higher. On iOS10.3.3 I was able to run couple of days, and only turning battery save mode at 20% around the afternoon of the second day. Now, I need to turn on Battery Save mode at 40% at the evening of first day if I wanna try to reach my second day without recharging at daily basis (which has no sense to me for a Plus device user).

And as remark, I have exactly the same settings that I used before on iOS10.3.3: all update background apps disabled, BT disabled, Siri disabled, and even new 'Time usage feature' disabled).

I have the feeling that the difference is mainly in two items:

1) WiFi: Looks like all related to that uses more battery. I began to use the toggle of Settings instead of the Control Center, to REALLY fully disable the WiFi when not needed.

2) CPU performance: Seeing how good and faster is now iOS12 compared with iOS10.3.3; I begin to believe that the CPU is used much more at 100% than before by the iOS12 operative system and maybe even throttled at max frequency at longer time periods than before. And THIS is not showed up in the Battery status summaries; because, as said, the battery drains much faster now, but there is not any app remarked having any high usage (nor in front or background).

I would really like to believe that I'm wrong about my above statements and the higher battery drain on iPhone6s/Plus is due a bug; which could be solved in next minor iOS12 updates :p!; but not fully sure about it. :(

In worse case, we will have faster older iPhones now; but we will need to recharge more often, which also is very annoying and will decrease the battery life, forcing us to buy a new phone in one year (even if performance wise is good enough), or to force to replace the battery by new ones.
 
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Have you any updates from your own research on your iPhone 6s with iOS12.0?

I have the same user experience as you; but upgrading an iPhone 6s Plus from 10.3.3 to 12.0.

In terms of performance, everything is great! ;) (I cannot believe it after waiting more than a year to update my iOS :oops:; but true! and happy about it :D), and as you said, maybe even faster on iOS12 than I had on iOS10.3.3, but as trade-off, the battery draining is also much higher. On iOS10.3.3 I was able to run couple of days, and only turning battery save mode at 20% around the afternoon of the second day. Now, I need to turn on Battery Save mode at 40% at the evening of first day if I wanna try to reach my second day without recharging at daily basis (which has no sense to me for a Plus device user).

And as remark, I have exactly the same settings that I used before on iOS10.3.3: all update background apps disabled, BT disabled, Siri disabled, and even new 'Time usage feature' disabled).

I have the feeling that the difference is mainly in two items:

1) WiFi: Looks like all related to that uses more battery. I began to use the toggle of Settings instead of the Control Center, to REALLY fully disable the WiFi when not needed.

2) CPU performance: Seeing how good and faster is now iOS12 compared with iOS10.3.3; I begin to believe that the CPU is used much more at 100% than before by the iOS12 operative system and maybe even throttled at max frequency at longer time periods than before. And THIS is not showed up in the Battery status summaries; because, as said, the battery drains much faster now, but there is not any app remarked having any high usage (nor in front or background).

I would really like to believe that I'm wrong about my above statements and the higher battery drain on iPhone6s/Plus is due a bug; which could be solved in next minor iOS12 updates :p!; but not fully sure about it. :(

In worse case, we will have faster older iPhones now; but we will need to recharge more often, which also is very annoying and will decrease the battery life, forcing us to buy a new phone in one year (even if performance wise is good enough), or to force to replace the battery by new ones.

Hello! Sorry just saw your message, I log in rarely here.

I decided to give it a shot and change my battery (its health was at 85%) and that brought me a little peace of mind. I do not know if it is that 15% that I gained but I feel good now, almost as good as with 10.3.3. However, I also noticed that these sudden drops of 4-5% out of nowhere stopped, maybe they fixed that with 12.0.1.

Let's see what happens with 12.1 now, I would like to hear updates.

Regarding your post I think I agree with your second point. Something like that is happening I believe.
 
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Since I am feeling good right now with 12.0.1 with my Iphone6s and change of battery, should I also upgrade to 12.1? I read mixed impressions.

Or since I am good I should not mess with it and remain as is?
 
I wouldn't pay a thousand bucks for a phone either. That's immoral price gouging by Apple for their shareholders. I generally only buy an iPhone every five years. My 5 lasted me that long and I hope to get 6 years from my 6S which is running iOS 10 and was purchased refurbished. Perhaps that's why you can hardly believe it in that it's still running iOS 10 which doesn't suffer from iOS 11 battery drainage issues.

I applaud your frugality and good sense.
[doublepost=1542576127][/doublepost]
I still miss IOS 9 style grouped notification...

I'm still using iOS 9 on 6 Plus. Refuse to upgrade. Learned my hard lesson on that score before.
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In worse case, we will have faster older iPhones now; but we will need to recharge more often, which also is very annoying and will decrease the battery life, forcing us to buy a new phone in one year (even if performance wise is good enough), or to force to replace the battery by new ones.

You got that right. Even worse, after iOS 9, Apple took away the ability of apps to show you how many charge cycles your battery has been through--a useful feature, I think! That was another reason I refused to "upgrade" from iOS 9.
[doublepost=1542576336][/doublepost]
No security isn’t a problem.

Correcto mundo. The "security" freaks are like dogs barking at nothing in the night.

Ever heard of someone getting their iphone hacked? Yeah, thought not.
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Except for apples music app which I hate.

That is a sorry excuse for an app, with bugs left over from the ios 10 release. Very sad.
 
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Since I am feeling good right now with 12.0.1 with my Iphone6s and change of battery, should I also upgrade to 12.1? I read mixed impressions.

Or since I am good I should not mess with it and remain as is?

Also got a 6s on 12.0.1, did you update?
 
Since I am feeling good right now with 12.0.1 with my Iphone6s and change of battery, should I also upgrade to 12.1? I read mixed impressions.

Or since I am good I should not mess with it and remain as is?

My iPhone 6s was fine on 12.1, only reason I got rid of my 6s was for a bigger screen.
 
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