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

Oct 1, 2023 2:51 PM in response to Ruthy-Roo

I have an iPhone 15 pro black. Within 2 to 3 minutes of a phone call my phone is getting hot on my ear. I have took the case off from it to see if that would help. I noticed the back and sides of the phone were hot too. It’s annoying just a little usage of my iPhone and get really hot. I even checked to stop all apps running. My phone is still getting hot within a few minutes on a phone call or face time etc.

Oct 1, 2023 3:46 PM in response to IdrisSeabright

My new iPhone 15 Pro Max had about 45 minutes on a call this evening. No evidence whatsoever for heating, the phone felt completely normal. If anything it was running cooler than the Xs Max it has replaced.


Charging now, and the only reason it is in any way warm is because the MagSafe charging puck got up to about 40˚C and the heat transferred from the charger to the phone. Charging yesterday on a USB-C cable the warming was insignificant.

Oct 2, 2023 4:12 AM in response to 100clicks

I'm not disagreeing with you. I'm just saying whats to be gained by telling people to not share their experiences. The whole point of forums like this and other communication channels is to share our thoughts, whether they be good or bad. Just like in this thread there are commenters saying that they haven't experienced issues, that too is valuable information. Clearly Apple has noticed this issue and I'm glad they're working on addressing whatever is causing this. I truly hope the issue is just a minority of iPhones (and it seems that is mostly software related), as that means that clearly its an isolated issue and can be fixed much easier.


I saw your comment earlier as well about how only those people who are new to the forum are complaining about heat issues. What do you mean by that? If your point is that they are spammers, I'm not sure thats the first explanation. I imagine most are just individuals who are confused and this is their first experience of an iPhone heating up more than usual and are coming to this channel and others to get help or share their experience. In fact, the attitude of some of the higher level members here is giving me much more concern.

Oct 2, 2023 4:14 AM in response to Ramchand Ramesh

It worked totally fine before, so I'm not sure that its Messenger directly. I've called again since on WiFi, and it has heated up again, but not as much. I have also uninstalled it since, but not run any specific tests to stress test the phone. I have used YouTube and it causes no problems at all. I'm also staying away from 5G for now. Do you have a link to where else the issue with 5G and eSIM has been reported?

Oct 2, 2023 9:07 AM in response to 100clicks

Okay, 15 Pro 256GB user here again. This is my 10th day with the phone, and I encountered a serious battery drain problem last night. I put the phone into low power mode at 1:24 AM when the battery level was 43%. When I woke up at 8:39 AM, it was down to 25%. I had experienced some mild overheating and battery drain issues in the first 3 days, but everything seemed to be going well until last night. I have never encountered such a serious battery issue in the past 10 days.


And please don't tell me the phone is in emergency mode and the battery is draining rapidly because it's searching for networks. I haven't introduced any e-SIM to the phone since the day I opened the box, so the test conditions haven't changed during that time



If this happens again. I'm returning the phone.

Oct 2, 2023 2:23 PM in response to Ruthy-Roo

Reading through a number of comments, I am suspicious many are submitted by trolls. I find it hard to believe Apple would release an iPhone that is chronically problematic right from the get-go. Whereas, unscrupulous competitors might find it advantageous to perpetuate a narrative of a broken design. Come on. Credit us for more sense than that.


I have not received my new iPhone yet, and perhaps, as LobstersGhost explains, it is to be expected that due to initial indexing the phone will experience higher than normal operating temperatures. But I reserve judgement on the other hysterionics without first hand experience.

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iPhone 15 overheating

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