Some iPhone owners are reporting quick battery drain, but it's not clear why

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Posted:
in iOS edited October 2024

Users are posting on social media that iOS 18 is causing their iPhone batteries to drain quickly. Historically, it's been temporary and is common with new hardware and a big OS update.

Smartphone screen displaying a battery icon at 50% charge, with a green and gray segmented bar.
If only the iPhone's battery indicator were this clear



The annual Battery Drain Season is now in full force, as even long-term iPhone users are complaining that their battery charge is dropping quickly after updating to iOS 18. Long-term iPhone users, though, should know that this happened with iOS 17, too.

And also with iOS 16, just as it did with iOS 15, and before that, iOS 14. Looking back through AppleInsider's archive for five minutes, it was easy to see our coverage on iOS 14.

Consumer groups challenged Apple about it, but battery drain after OS updates were surely happening before then.

If you are having your iPhone battery drain faster than normal, the odds are that you upgraded iOS in the last week or two, or got a new iPhone. You may not be actively using the battery, but your iPhone is as it rebuilds databases such as Spotlight.

That's what's happening here, almost all of the time. The iPhone says it has been updated to the latest iOS, but that just means it's installed.

Back in 2022, Apple actually responded to complaints on social media about the draining power of its then-new iOS 15.4. It's perhaps a little generous to call it a response, since it just said the same thing about it taking time for the update to finish.

It was at least a response from the normally quiet company. And it was Apple responding on social media, which practically makes this a Dear Diary moment.

Apple does not read social media, it does not read news. It just goes on its own merry way.

Consequently, right now there are some hundreds of people complaining on Reddit and even Apple's own support forums, and it isn't making a difference. If Apple sees it, they're assuming it's same old, same old, and moving on.

We've been keeping track of this for a long time. We've had a few emails about it, but the volume of those are down. Social media reports are eternal, of course, but those are down too.

Based on our contacts within service, the number of complaints to stores are lower than normal. This doesn't mean that you aren't dealing with it, of course, but it doesn't seem to be a bigger problem in 2024 than it has ever been.

If your battery drain is different, if your battery drain is not within a week or two of an update or a new phone, don't bother with forums. Instead, go straight to Apple and document what happens with their support staff.

That way, If it turns out that there is a hardware fault with your iPhone, you can demonstrate that you reported it.

For you, ultimately, that can make a difference if there is ever a payout from a class action lawsuit over battery faults. More practically, Apple doesn't make a move without actual data.

Lacking that, they won't do a thing.

For when it isn't within week or so, there may be something else wrong and Apple needs a tap on the shoulder. Just as it did in 2023, when Apple ultimately issued a watchOS update to fix unusual battery drain problems in the Apple Watch.



Read on AppleInsider

Comments

  • Reply 1 of 17
    bonobobbonobob Posts: 399member
    So another day ending in y.

    Right after I updated to iOS 18, there was a notification in Settings > Battery saying that I should expect increased battery usage for a while due to the update. 
    Alex1Nforgot usernameForumPostwatto_cobra
     2Likes 0Dislikes 2Informatives
  • Reply 2 of 17
    charlesncharlesn Posts: 1,390member
    Oh, it's just Apple's desperate last ditch effort to force iPhone owners to upgrade to the 16 and salvage a disastrous phone that absolutely no one is buying and Apple is doomed. 
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 3 of 17
    davendaven Posts: 747member
    I thought it was just me. Normally my phone (Xs Max) goes a day before needing to charge but now I need to recharge midway through the day.
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 4 of 17
    When I received my first iPhone (an iPhone 5 in 2013), the battery drained rapidly after charging the first three times.  I called Apple, and they replaced my iPhone 5 with a new iPhone 5.  It was about the same time that Apple did say something about there being battery settling time after both initial set up and after upgrading software.  So, this feature/problem has been around for over ten years.

    I'm used to it now...and each new iPhone (SE, 11 Pro, and 16 Pro) have shown similar behavior. Yet, I've been very happy with each iPhone.
    ForumPostwatto_cobra
     1Like 0Dislikes 1Informative
  • Reply 5 of 17
    After upgrading the phone needs to index everything. This drains the battery. 
    foregoneconclusionforgot usernameForumPostwatto_cobra
     3Likes 0Dislikes 1Informative
  • Reply 6 of 17
    The article doesn't link to the social media posts mentioned (why?), but did any of these users actually check the Battery page in IOS Settings?  It usually shows the battery usage by application or service (ie. "No mobile coverage").
    edited October 2024
    forgot usernameForumPostwatto_cobra
     1Like 0Dislikes 2Informatives
  • Reply 7 of 17
    The discovery I've made this morning. I've switched off Enhanced Visual Search toggle in Photos settings and my battery usage is back to the level it used to be before iOS 18.
    edited October 2024
    jimdreamworxwelshdogwatto_cobra
     1Like 0Dislikes 2Informatives
  • Reply 8 of 17
    It’s always baffled me why Apple disregards its user forums and rarely comments on issues like this temporary battery problem. Why is that? In this case alone, it could potentially save a significant number of unnecessary Genius visits, phone replacements, or returns. Is there a hidden benefit to being detached from the user base?

    Why not engage more with the user community? When it’s feasible, why not make easy software changes that users would genuinely appreciate, such as adding a calculator to the iPad or enhancing the Contacts app?
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 9 of 17
    charlesn said:
    Oh, it's just Apple's desperate last ditch effort to force iPhone owners to upgrade to the 16 and salvage a disastrous phone that absolutely no one is buying and Apple is doomed. 
    You people keep forgetting the /s!
    edited October 2024
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 10 of 17
    mine will drain sitting on the freaking charger! it gets so hot i can use it to unfreeze TV dinners too. 
     0Likes 0Dislikes 0Informatives
  • Reply 11 of 17
    Even though a major update is done and after it restarts and I use it a bit, I've found that if I turn it off, it seems to trigger some housecleaning that makes it take a really long time to turn off.  Turning it back on, then turning it off shows it shutting down quickly.  And then the battery is back to normal.  I'm guessing what is described here is what I've forced.
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 12 of 17
    M68000m68000 Posts: 927member
    The discovery I've made this morning. I've switched off Enhanced Visual Search toggle in Photos settings and my battery usage is back to the level it used to be before iOS 18.
    An interesting setting.  I have to wonder if the phone goes out on cell or WiFi talking back to Apple every time a picture is taken.  Or,  if this is a background process on a schedule.  Either way,  yeah this could use battery.
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 13 of 17
    charlesn said:
    Oh, it's just Apple's desperate last ditch effort to force iPhone owners to upgrade to the 16 and salvage a disastrous phone that absolutely no one is buying and Apple is doomed. 
    No one is buying the iPhone 16? Where did you read that?

     0Likes 0Dislikes 0Informatives
  • Reply 14 of 17
    M68000m68000 Posts: 927member
    charlesn said:
    Oh, it's just Apple's desperate last ditch effort to force iPhone owners to upgrade to the 16 and salvage a disastrous phone that absolutely no one is buying and Apple is doomed. 
    No one is buying the iPhone 16? Where did you read that?


    I’m sure that Charles is being sarcastic

    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 15 of 17
    mine will drain sitting on the freaking charger! it gets so hot i can use it to unfreeze TV dinners too. 
    Hahahahaha….that hot? How boiling some eggs too….
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 16 of 17
    mine will drain sitting on the freaking charger! it gets so hot i can use it to unfreeze TV dinners too. 
    Reminds me of some guys from back in my Navy days, who would pump the output of an ATC radar into a dummy load to heat Pop Tarts.  You can just use your iPhone.
    watto_cobra
     1Like 0Dislikes 0Informatives
  • Reply 17 of 17
    eightzeroeightzero Posts: 3,179member
    Just from the headline, I'd say they are reporting it because they are experiencing quick battery drain. Just a guess though.
    watto_cobra
     1Like 0Dislikes 0Informatives
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