iPhone 15 overheating

Hi everyone. I’ve recently purchased the new iPhone 15 pro max and it is heating up even when I’m not using it.

I was wondering if anyone else is having this issue or if it maybe a setting that is causing it that I can turn off?

Any advice is appreciated. :)


[Re-Titled by Moderator]

iPhone 11 Pro, iOS 16

Posted on Sep 22, 2023 6:04 PM

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Question marked as Top-ranking reply

Posted on Sep 24, 2023 9:36 AM

For all of you:


Do a simple Forced Restart on your new iPhone by:


  • Press and quickly release the volume up button
  • Then immediately press and quickly release the volume down button
  • Then immediately press and KEEP HOLDING the side power button and KEEP HOLDING it past the swipe to shut down and KEEP HOLDING it until the Apple Logo appears, then let go


Sign back in with your passcode when the phone prompt you and let the phone settle down over the next couple days. If you transferred a LOT of data, it can days for the indexing process to complete. There is likely NOTHING wrong with your phones.

935 replies

Sep 25, 2023 11:43 AM in response to chbjd

chbjd wrote:

This is very good advice! It's worth trying! It costs nothing ! Thank you lobsterghost1.

For my part, after an hour-long phone call yesterday and a very, very hot iPhone, I had a normal day today.

Tomorrow is another day !

For a lot of people, just letting the phones settle in and finish the indexing process, their phone will likely do what your phone is now doing. But what I suggested, might help someone determine if its their phone or maybe their backup which is causing an issue. Or not using the best path for cellular or having location services checking when it's not needed or even necessary.

Sep 25, 2023 12:48 PM in response to SEENA0085

I would fully expect your phone to hear using Instagram for 30 minutes. It would be most unusual for it NOT to heat up using a platform like Instagram for 30 minutes. Actually, it would be almost impossible for the phone to not heat using it for 30 minutes. People need to have a better understanding of what pushing a battery does to it.

Sep 25, 2023 4:59 PM in response to lobsterghost1

I suppose the problem may be related to the number of photos that are on the iPhone, and that there is some sort of ongoing process that has not been finalized … a transition period so-to-speak.


I have bought the iPhone 15 Pro, but it has not been activated as of yet. I was planning on going by the Apple Store tomorrow to make sure my file and apps and photos are transferred correctly; however, I am now thinking that what will happen is when I leave the store, all my 15 Pro will initially have on it is active phone, gmail, contacts, and try it out for a few days. Just doing my part to find a solution …. Hoping that the transition or breaking-in strategy is correct.

Sep 25, 2023 5:20 PM in response to Ruthy-Roo

I also think that the cpu and gpu doesn’t have a limit of power draw and it’s then getting to much power and is producing to much heat when it probably doesn’t need that much power or something. I’m probably wrong on it tho.. also It could be it’s a new phone and like all new phones they have one not so good flaw and then gets fixed in a coming update or 2 and also be glad that so far it’s just overheating and nothing more other than some almost easy to crack and break back glass and on the front too after watching some YouTube videos.

Sep 25, 2023 8:10 PM in response to Ruthy-Roo

Took phone out of box, started set up and was HOT to touch in less than 20 minutes. Sides and back. Chatted in with apple support they stated they would escalate, had no answer. This is quite disappointing as I had such a bad experience with my 13 which I had to pay to get out of to go to problems right out of the box with the 15. Seems the iPhone gets more and more expensive and the quality goes down with each release...

Sep 25, 2023 11:11 PM in response to Ruthy-Roo

Same. iPhone Pro Max 256GB (Blue). Took a 10 minute call and felt the phone getting warm. Then took some photos to test out the camera. Switched to Halide for a couple of minutes. Back to the default camera app and got the 'iPhone needs to cool down' message briefly. Happily it doesn't seem to get hot when idling and cools fairly quickly at 22°C room temp.


And in what I assume is unrelated news, watchOS 10.0.1 has killed the weather complications on all watch faces on my new series 9 watch. At least that's a software bug which should be easily fixed.


Worst annual 'upgrade' in a long time.

Sep 25, 2023 11:47 PM in response to RL_01

I agree. I have the iPhone 15 PM 512gb and my phone got really hot and dropped 20% battery being on a phone call for only 35 minutes. I had the iPhone 13 PM before this and even after having it for 2 years, after using it all day it would only be at like 70% battery. I traded in my 13 and I’m starting to worry I traded in my perfectly good 13 for something that can’t even do a 1 hour phone call

Sep 26, 2023 4:39 AM in response to Ruthy-Roo

same here

received yesterday Pro Max 256gb black

I put it on charge and after few minutes I had a message that charging has stopped because it was too hot, never had this issue with any of my previous Iphones including 13 Pro Max, today had a call with a friend and after not even 10 mintues the phone wa so hot that I had to rever to speaker as could not keep it near my ear

considering the weather is not so hot in UK now I wonder what would happen in summer or in other hotter countries...

I am seriously thinking of returning it, not the best experience considering the cost..

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iPhone 15 overheating

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