iPhone 15 Pro Max is restarting many times when charging

When you plug the cable into the phone, it charges for 10 minutes and then it restarts itself. You cannot swipe and unlock the phone… To do that, you need to unplug the cable…


Then you can plug back the cable and unlock the phone all the times you need… At least, until the iPhone restarts again.

iPhone 15 Pro Max

Posted on Sep 28, 2023 11:56 PM

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Posted on Oct 31, 2023 7:20 AM

Thank your for your answer. I had no issues for three days but last night the iPhone restarted when I was asleep and then again this morning while scrolling through photos. So I called Apple Support this morning and they ran two different diagnostics. The iPhone failed the second one, so they assume a hardware defect. The apple support was very solution-oriented and the fastest way for a replacement was to buy a new phone at the local Apple Store and they send me an UPS label to return the old phone with an upcoming refund as soon as they get it.

Right now I'm transferring the data to the new iPhone. Let's hope that it will work fine.

22 replies
Question marked as Top-ranking reply

Oct 31, 2023 7:20 AM in response to gokul295

Thank your for your answer. I had no issues for three days but last night the iPhone restarted when I was asleep and then again this morning while scrolling through photos. So I called Apple Support this morning and they ran two different diagnostics. The iPhone failed the second one, so they assume a hardware defect. The apple support was very solution-oriented and the fastest way for a replacement was to buy a new phone at the local Apple Store and they send me an UPS label to return the old phone with an upcoming refund as soon as they get it.

Right now I'm transferring the data to the new iPhone. Let's hope that it will work fine.

Oct 2, 2023 1:50 AM in response to Gabe2023

This can be frustrating, but there are a few potential solutions you can try before seeking professional help.

First, make sure you're using a genuine Apple charging cable and adapter. Using third-party accessories can sometimes lead to compatibility issues. Try using a different cable and adapter to see if the problem persists.

If that doesn't work, you can attempt a hard reset by simultaneously holding down the volume down button and the power button until you see the Apple logo. This may help resolve any temporary software glitches causing the restarts.

Another step is to check for any pending software updates. Outdated software can sometimes lead to unusual behavior in your iPhone. To do this, go to Settings > General > Software Update and install any available updates.

If none of these solutions work, it's possible that there might be a more serious hardware issue. In that case, it's best to contact Apple Support or visit an Apple Store for professional assistance. They can diagnose the problem and provide a solution, whether it's a repair or a replacement.

Jul 6, 2024 4:03 AM in response to Gabe2023

I have the iPhone 15 Pro Max and the same thing started happening to me 5 months after purchasing the phone. At first, it would shut down when the phone was charging but then it started happening repeatedly throughout the day to the point where it became unusable.


When I called Apple their diagnostic over the phone didn't show anything wrong with the device but then I went to the Apple store and my phone failed the hardware diagnostic so I was told I had to get it replaced...


I don't know if this is exclusively an iPhone 15 Pro issue but it's extremely frustrating and I hope Apple does something about it because the phones are only getting more expensive but don't seem any better.

Oct 9, 2023 10:38 PM in response to Gabe2023

Got the same issue but not just when the iPhone is charging. Except the reboot from 06:53 a.m. when I woke up due to the bright Apple-Logo while rebooting. The iPhone was charging with the original magsafe.

Other reboots occuree while swiping through apps or sending a WhatsApp-Mesage.

The first reboot I remember a few days ago I was swiping on the homescreen when the screen turned purple before the reboot occurred.

Maybe something with iOS17.0.3? Before the update I had no issues.


But to address your reboot situation: How did you set the charging? Optimised Charging, until 80% or without? Mine is set to 80%.


(iPhon 15 Pro Max, 512GB)

Oct 29, 2023 1:38 AM in response to gokul295

Did it help, gokul295?


@all: It‘s really a strange behaviour. There’s no pattern when the iPhone restarts and when not. Surprisingly I didn’t have any restarts for two days now but right before updating to iOS 17.1 and the days after that, there were at least 2 restarts a day.


Let‘s hope it’s just software and that there will be a solution soon. Reminds me of the restart problem with the iPhone 5 those days which was fixed with an update.

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iPhone 15 Pro Max is restarting many times when charging

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