Apple Releases iOS 17.0.3 With Fix for iPhone 15 Pro Overheating

Wednesday October 4, 2023 10:19 am PDT by Juli Clover

Apple today released an iOS 17.0.3 update for the iPhone, with the software coming a week after the launch of iOS 17.0.2. Apple has also released a new version of iPadOS, 17.0.3, for iPad users.

iOS 17
The iOS 17.0.3 and iPadOS 17.0.3 updates can be downloaded on eligible iPhones and iPads over-the-air by going to Settings > General > Software Update.

iOS 17.0.3, which is build 21A360, addresses a significant overheating issue on the ‌iPhone‌ 15 Pro and ‌iPhone‌ 15 Pro Max. Shortly after the new ‌iPhone‌ 15 models launched, customers began complaining that the ‌iPhone‌ 15 Pro and Pro Max were getting too warm, and even shutting down due to heat problems in some cases.

Apple confirmed that there was a bug in late September, and said that it would be fixed with an update to iOS 17. Some third-party apps had also been overloading the A17 Pro chip, leading to problems with heat dissipation. Apps affecting performance included Instagram, Uber, and more, and in addition to releasing an update to address the iOS 17 issue, Apple has also been working with app developers to optimize apps causing problems.

In comments to MacRumors, Apple clarified that customers experiencing temperature problems would see the issue resolved with an update, and that the titanium frame of the ‌iPhone‌ 15 Pro is not at fault. Apple analyst Ming-Chi Kuo claimed that the overheating was likely caused by "compromises made in the thermal system design," and he suggested that Apple would only be able to fix the issue by lowering processor performance.

Apple said that it has no intention of tweaking the A17 Pro chip, and that the titanium and aluminum design of the ‌iPhone‌ 15 Pro in fact provides better heat dissipation than the stainless steel frames used in previous models.

The iOS 17.0.3 and iPadOS 17.0.3 updates also address a kernel vulnerability that could allow an attacker to gain elevated privileges. Apple claims that it is aware that this security flaw was exploited on versions of iOS before iOS 16.6.

Related Forums: iOS 17, iPadOS 17

Popular Stories

iOS 26's Liquid Glass Design Draws Criticism From Users

Wednesday September 17, 2025 2:56 pm PDT by Juli Clover

It's been two days since iOS 26 was released, and Apple's new Liquid Glass design is even more divisive than expected. Any major design change can create controversy as people get used to the new look, but the MacRumors forums, Reddit, Apple Support Communities, and social media sites seem to feature more criticism than praise as people discuss the update. Complaints There are a long...

• 611 comments

Two iPhone 17 Pro and iPhone Air Colors Appear to Scratch More Easily

Friday September 19, 2025 10:02 am PDT by Joe Rossignol

As reported by Bloomberg today, some of the new iPhone 17 Pro and iPhone Air models on display at Apple Stores today are already scratched and scuffed. French blog Consomac also reported on this topic. The scratches appear to be most prominent on models with darker finishes, including the iPhone 17 Pro and Pro Max in Deep Blue, and the iPhone Air in Space Black. Images Credit: Consoma ...

• 265 comments

iOS 26.0.1 Coming Soon, Likely With iPhone Air and iPhone 17 Pro Fix

Thursday September 18, 2025 9:17 am PDT by Joe Rossignol

Apple is preparing to release iOS 26.0.1, according to a private account on X with a proven track record of sharing information about future iOS versions. The update will have a build number of 23A350, or similar, the account said. It is likely that iOS 26.0.1 will fix a camera-related bug on the new iPhone Air and iPhone 17 Pro models. In his iPhone Air review, CNN Underscored's Henry T. ...

• 64 comments

Apple's Rumored MacBook Pro Redesign: 6 New Features Anticipated

Wednesday September 17, 2025 4:26 am PDT by Tim Hardwick

Apple in October 2024 overhauled its 14-inch and 16-inch MacBook Pro models, adding M4, M4 Pro, and M4 Max chips, Thunderbolt 5 ports on higher-end models, display changes, and more. That's quite a lot of updates in one go, but if you think this means a further major refresh for the ‌MacBook Pro‌ is now several years away, think again. Bloomberg's Mark Gurman has said he expects only a small ...

• 69 comments

iOS 26.1 to iOS 26.4: Here Are 5 New Features to Expect on Your iPhone

Tuesday September 16, 2025 11:17 am PDT by Joe Rossignol

iOS 26 was finally released on Monday, but the software train never stops, and the first developer beta of iOS 26.1 will likely be released soon. iOS 18.1 was an anomaly, as the first developer beta of that version was released in late July last year, to allow for early testing of Apple Intelligence features. The first betas of iOS 15.1, iOS 16.1, and iOS 17.1 were all released in the second ...

• 38 comments

Apple Reportedly Plans to Launch These 10 Products in 'Coming Months'

Sunday September 14, 2025 8:45 am PDT by Joe Rossignol

Apple's annual September event is now in the rearview mirror, with the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone Air, Apple Watch Series 11, Apple Watch Ultra 3, Apple Watch SE 3, and AirPods Pro 3 set to launch this Friday, September 19. As always, there is more to come. In his Power On newsletter today, Bloomberg's Mark Gurman said Apple plans to release many products in the...

• 83 comments

Top Rated Comments

ProfessionalFan

26 months ago

nice, quick fix out. now fire the inept engineers who manage to miss it in the first place.

If people got fired every time a software release had bugs in it, nobody would be employed.

Score: 136 Votes (Like | Disagree)

antiprotest

26 months ago

It's amazing to me that users have kept gaslighting those who encountered the issue: "it's just warm. that's not overheating"; "it's indexing"; "you are using it too much"; "no issue with mine"; "first world problems"; "just be grateful"...on and on and on. The issue is with Apple's end all along. Even Apple admits it. Next time, just accept that some people might have problems with their devices that might not be happening to yours, and that the problem could be with Apple and not the users. You can believe other people's complaints and still be happy with your own device. Don't take it personally.

Score: 83 Votes (Like | Disagree)

missingar

26 months ago

All I'm saying is there seems to be far more updates now than there was ten years ago. That it seems like it's near-constant, and that I find it very annoying. I just updated the thing a few days ago. I don't want to do it again. That's all.

Ten years ago there weren't even 5 generations worth of iPhone to make updates for, and each year only had one main configuration with two colors available.

In contrast, iOS 17 is compatible with 23 devices and iPad OS 17 is compatible with 20 devices. So, in total, 43 different devices are receiving this software. Software, which is exponentially more complicated than it was 10 years ago, with many more APIs and specific applications to account for.

What's remarkable is that in less than 2 weeks, they've been able to identify, correct, test, and deploy a fix.

Score: 35 Votes (Like | Disagree)

ProfessionalFan

26 months ago

As soon as I did update. Went on TikTok and screen had dimmed. Way to cook!

This seems like a warranted punishment for using TikTok though.

Score: 31 Votes (Like | Disagree)

midkay

26 months ago

Maybe some of you guys who've been here for years can chime in but... it sure seems like there's way too many updates these days compared to ten years ago. Seems like every few days, there is a reported issue, then I have to sit through another update. And another, and another, and another and... it's just out of control.

So you'd prefer fewer enhancements, improvements and fixes? This seems obvious, but if you don't like it, don't update manually and just let your phone update automatically overnight whenever it wants to.

Score: 23 Votes (Like | Disagree)