iOS 14.2 Reportedly Causing Severe Battery Drain

bn-7bc said:
Hold on are they refusing to provide a servivice that adds money to their botum line, this does not make sense, or are they justbadvising you that a bettery change probably will not deliver the results you exepect?
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It's not about money. As hard as it is for some to believe that Apple is an ethical company, unless it's under a repair program or the phone and battery are just old they will not replace batteries that past the test even if the customer wants to pay.
 
Maconplasma said:
So if someone says they're not having an issue that makes their post immature? Seriously? You're lookin at this in a very shortsighted view. Firstly it doesn't do anyone any good (other than Apple haters) to hear only negative responses or from people who are only having problems. That puts out a false message saying that the issue is widespread when often it's not. It's important that people without issues post so others with issues can narrow down the problem. I could also be certain apps that are draining the battery, or a dozen more reasons but negative-only posts are not helpful.
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No. I’m saying that by this time, the fanbois would be out in full force, shouting down anyone who said they had an issue.

INSTEAD, we had well reasoned responses for once.
 
I can add this to the conversation from an App Dev's perspective.

It appears that beginning with iOS 14.1, Apple has been modifying the code that controls the Performance Controller part of the A-series chips, which basically acts as an Arbiter & Scheduler.

To my knowledge they had NOT touched that code for an entire year leading up to iOS 14.1.

Specifically, I had NOT noticed any low-level (timing) changes in my 11 Pro Max for over a year, until iOS 14.1.

Why would they be doing this ?

IMO, they've now got something else running in the Background, under iOS control, that needs (considerable ?) CPU cycles.

I don't have ANY clue as to precisely what they're up to, however.

But, as a low-level App Dev, I can definitely see the impact it has on cycle-to-cycle Timing of certain operations (starting with iOS 14.1, that is).
 
I can't tell if it's worse on my 7 Plus because of iOS 14.2 or if that's the norm. Battery life on it has been worse than it was on my 6s Plus overall. I regret "playing it safe" and not upgrading to the iPhone 8 Plus when the opportunity came up to do so. :(
 
Count Blah said:
No. I’m saying that by this time, the fanbois would be out in full force, shouting down anyone who said they had an issue.

INSTEAD, we had well reasoned responses for once.
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Other than offering suggestions to help fix the problem I've never seen people post and say, "I'm not having any problems so nothing can possibly be wrong with your system, you just don't know what you're doing". The problem is people complaining about issues don't simply say, "Hey I am experiencing this issue, can someone help?" It's usually a rant and trashing of Apple calling the product "junk" with the complaint along with making statements suggesting that everyone is having the same issues and is widespread. So the complainers are just as much of the problem as the ones who are "sort of in your words" trying to shut them up. This wouldn't be an issue if there was a level playing field on forums. Just as much as you don't want to hear the people without problems "shutting people up" I don't want read rants and Apple trashing. It creates annoyance.
 
The code has always been in iOS

if (iphone_version < LATEST_MODEL-1) {
while(1)
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}
 
3rd-gen iPad Pro 12.9" here and after 14.2 update experiencing the most absurd battery drain of any Apple product in the last almost-40 years. Totally pathetic—my battery is drained in hours while on standby.

My iPad is literally unusable unless plugged into power. z
 
Ybersetzer said:
Original Version iPhone SE here, no issues with 14.2 and battery life.
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You would not expect that Apple (or any company to that matter) could release an OS that has battery drain issue with every phone, right? Because this would mean only one thing - that they did not bother with testing whatsoever.
 
Easy fix-go to 14.3 Beta. Works like a charm. Kidding of course. iOS 14 by and large has been fairly stable, and I’ve never noticed any major issues with battery drain. I’m using 14.3 Beta 3 on my 11 Pro and both iPad Pros and all are rock solid.
 
Maconplasma said:
So if someone says they're not having an issue that makes their post immature? Seriously? You're lookin at this in a very shortsighted view. Firstly it doesn't do anyone any good (other than Apple haters) to hear only negative responses or from people who are only having problems. That puts out a false message saying that the issue is widespread when often it's not. It's important that people without issues post so others with issues can narrow down the problem. I could also be certain apps that are draining the battery, or a dozen more reasons but negative-only posts are not helpful.
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Read his comment again. The whole thing. Ending with the last period.
 
Yet people don't understand why I'm concerned about eventually replacing the battery in my 11 Pro Max. New iOS versions always cause a huge battery hit for me. Every. Single. Device.

So I go to replace the battery and they'll upgrade my iOS. Essentially I will experience worse performance with a brand new battery!

It's frustrating as hell. Last battery replacement I did was my 7 Plus. They ended up giving me a refurb because mine never turned back on. Why is it that difficult to replace a battery these days?!?
 
BuCkDoG said:
I’m on 14.2.1 and have not had any issues personally. I’m on the 12 Pro Max.
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Same here. 12 Pro and my battery life under 14.2.1 has been so good that I'm afraid to upgrade to 14.3 when it comes out for fear it will get drastically worse.
 
I found that if I inadvertently left the Apple Measure App running in the background, my iPhone 12 became very warm and drained the battery much faster.
 
Septembersrain said:
Yet people don't understand why I'm concerned about eventually replacing the battery in my 11 Pro Max. New iOS versions always cause a huge battery hit for me. Every. Single. Device.

So I go to replace the battery and they'll upgrade my iOS. Essentially I will experience worse performance with a brand new battery!

It's frustrating as hell. Last battery replacement I did was my 7 Plus. They ended up giving me a refurb because mine never turned back on. Why is it that difficult to replace a battery these days?!?
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I had my 6 Plus battery replaced at the Apple store and they never touched my iOS version.
 
Maconplasma said:
So what you're stating is the Pixel is perfect and without it's own set of issues right? Because that's exactly what you suggested based on your post. Maybe Google needs to get their act together too on issues the Pixel may have, because I hope you realize that it can't possibly be perfect?
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While I appreciate your response to my posting, I'm not sure you read my post or someone else's. I re-read my comments, but even in the broadest interpretation of speculation, there is no statement or implied suggestion of the pixel being "perfect."

Currently, I am not a fan of the Android OS, and the hardware pales compared to the iPhone. iOS 14 issues adversely affecting performance are not present in Android 11. I'm confident Apple will resolve the Contacts and Messages modules from hanging, and address the degraded performance in other areas.

When I author a post, magazine article, or pleading, I try not to advance speculation. Maybe I missed the mark in this case, so perhaps others' may agree with your assessment.
 
I have said it before and will say it again.. Apple just doesn't know when to leave well enough alone.. Sorry to those who are suffering from battery drain. I am still on 14 - If it is not broken, DONT FIX !!!
 
Yup. My iPhone 6s has drained to about half capacity in a single day of very light use three days in a row (and one day, all the way to 10%), even after rebooting to see if that would make the crazy power drain go away. I know the cell service is bad here, but just a few days ago, I was on iOS 13, and the same hardware was only burning maybe ten or fifteen percent per day.

iOS 14 is definitely not ready for prime time. :( I think next year, I'll wait until 15.4 to upgrade instead.
 
mkldev said:
Yup. My iPhone 6s has drained to about half capacity in a single day of very light use three days in a row (and one day, all the way to 10%), even after rebooting to see if that would make the crazy power drain go away. I know the cell service is bad here, but just a few days ago, I was on iOS 13, and the same hardware was only burning maybe ten or fifteen percent per day.

iOS 14 is definitely not ready for prime time. :( I think next year, I'll wait until 15.4 to upgrade instead.
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iPhone 6s will not support ios 15.
 
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