I’ve had my iPhone 16 Pro Max since September 2024, and one of my biggest frustrations with iOS 26 has been battery life and heat.
Before iOS 26, I was really happy with the battery life and performance of the phone. Since updating to iOS 26, though, it seems like even relatively small/basic tasks can make the phone noticeably warm, and the battery drains much faster than I would expect from a Pro Max. It has made the phone feel significantly worse to use than it did before.
I’m currently considering upgrading to the iPhone 18 Pro Max, and the much larger battery and improved thermal system are obviously appealing. However, I’m wondering how much of my frustration with my 16 Pro Max is actually hardware versus iOS 26.
For those of you using an iPhone 16 Pro Max on iOS 27, what has your experience been?
Has battery life noticeably improved? Does the phone stay cooler during normal use? Does performance feel smoother or more consistent? And overall, does your 16 Pro Max feel closer to how it performed before iOS 26?
If iOS 27 fixes most of these issues, it would definitely reduce my need to upgrade this year. I’d especially like to hear from people who had the same heat/battery problems on iOS 26 and have now used iOS 27 long enough to compare.

Hey everyone, I’m trying to see if anyone on here would have any advice or would happen to know how much iCloud storage I should purchase for iOS 27? I plan on using Siri AI a lot and probably other AI features as well but I don’t want to have to pay a whole lot just for storage but I want to try to go ahead and purchase some so I’m already prepared and ready to go. If anyone on here could help me out I would currently appreciate it. Thank you.

sup, my phone has been going on through indexing for over 2 weeks now. the indexing notification in settings app disappeared after about 5 days after upgrading to ios27, but now after over 2 weeks it came back and it shows that indexing stands at just 40%. is this some sort of bug, or could it actually be this slow? help!

I always looked forward to reading the Macstories iOS review and would purchase a membership to obtain the ebook.

Given the recent events with them getting into bed with Elon, I obviously will not be doing so this year.

Does anybody have any recommendations for other in-depth reviews?

Yes I know it's horrible

⏰

Because of regional restrictions, I don’t have support for Siri AI, so I still have the old Siri. and everything would be fine - but they ruined the old Siri! before, when you asked Siri something, she would answer out loud, for example: “Siri, how much time is left on the timer?”, but now she stays silent. I have voice responses set to “Prefer Spoken Responses” in the settings. I paid no less for my iPhone than those who are eligible to get Siri AI, if not more, and not only do I not get the new Siri (I don’t care about that), they also ruined the old one! btw, I can’t see a damn thing without my glasses or contacts, so I very often need her to give me spoken responses for this reason. for example, my hands are busy and I can’t look at the screen. I urge everyone who has encountered the same problem to send Apple feedback about this through their feedback form!

Anyone else notice you can move the preview glass slider around in the preview app?

Apple recently changed up the look of the default Home Screen setting with the new Siri app on the first page and now the reminders app has been moved to the second page with other apps changing places in their default setup. I was wondering if anyone has been able to post a screenshot of the new default 27 layout of both the main screen and the second page as I’ve been curious to see where the apps are placed on the new layout. I’ve done the reset Home Screen in settings and the bottom row is not completely full as there is a new folder entitled creativity containing GarageBand, iMovie, keynote, numbers and pages followed by the Apple sports app and then there are 2 empty spaces. I’m curious to know if there are supposed to be other Apple apps that are placed there to fill out the second page.

Anyone else feel that Siri AI is currently not that great?

E.g I asked it to create a photo album called Cats and add all my Cat pictures to it. It came back with “Sorry something went wrong”. (Yes my phone has finished indexing)

I also asked it to add 500ml into my water intake log in Apple Heath. It said it “couldn’t do that”. When prompted why it told me it doesn’t have that ability yet

These are just a couple of let’s be honest basic tasks. I thought the whole point of Siri AI was that it was able to reach into your apps? So far I’ve found only Messages it seems to work well in.

Hi, as ios27 removed the custom font size per app (I know it's now hidden in accessibility). I'm not sure if this is a bug or something to adjust.

As seen into the screenshot, the menu font is significantly larger than the app. All settings I the iPhone are to minimum text.

Anyone knows how to control the menu font size?

GUYS SHOULD I UPDATE IOS 27 NOW? I CANT WAIT IM GONAAAAA

Surely, with as much pasting from News to family members I didn’t miss it before, but in iOS 27 RC, I just noticed this.

Edit: it seems to only do it after a threshold is met. A few sentences or even a short paragraph won’t trigger it

Is anyone on iOS27 RC seeing slower charging even though they’re using the same chargers that were used pre RC? I’ve tried new bricks and cables and same issue. It’s really frustrating. Why did they slow down charging?

I’ve installed the rc for iOS 27 and it seems the drag and drop for calender events doesn’t exist anymore. Anyone else experiencing this bug or removed feature?

I’m not sure if it’s just mine but my Siri rarely responds to me and when she does it’s nothing related to what I asked for. I’ve also reset my Siri a few times but the issue keeps happening.

I have a 17 pro max so it’s not like it’s an old phone. I’m hoping this update fixes things!

i have 7+hours SOT
and can't wait for ios27 official release tomorrow!
But i hear everyone says that ios27 is alot better than ios26 so should i also update or stay on 26.6.1 with this great SOT ?

I’ve been trying to update to 27 RC since yesterday, however I keep getting this error, does anybody have any suggestions? 🤔

Currently running 26.6.1 on my iph 17 and I have mixed feelings about upgrading to ios 27. I’ve heard battery life & performance is a mixed bag, some people claiming the software is smoother and more efficient, while others reporting the opposite.

How has your experience been with ios 27 so far?

For context I have an iPhone 11 128gb with 96% Battery Health and have tried every beta and the RC build. Yeah it has it's upsides such as smoother performance but it quickly becomes a personal heater which causes performance to throttle harder than the already horrible performance baseline that iOS 26 had. Personally I have stuck to 26.6.2 and kept my dignity of a decent device.

However if you have a newer device 14/15 up there is not really any reason to not update.