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Why is my phone restarting every 3 minutes?

Why is my iPhone restarting every 3 minutes? I have not made any changes to my phone. I am running iOS 16.1.1

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Here is the image of the first panic log. Hope this is what you need.

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Hi Alysa,

The three minute reboot cycle is a vital clue as to what's going on with your phone. That just so happens to be the amount of time between when the phone scans all its internal sensors. What's happening is that three minutes after it boots, it goes to check all its sensors, and it finds one that's not working. Apple has apparently decreed that not being able to read a sensor is an unrecoverable error, so it initiates what's called a kernel panic. The panic results in writing a log of the conditions that caused it followed by rebooting the phone. Of course, the problem is, since it's an actual hardware error, that means its still there the next time the sensors are scanned so it reboots again - and again - and again...

So what we need to do is go get one of those panic logs and find out what's causing the reboot. Alisha ( @flannelist ) has written the definitive guide here on iFixit to kernel panics that will show you how to access the panic logs and how to interpret them.

iPhone Kernel Panics - iFixit

Your assignment is to read the wiki page and use that information to locate your panic logs. Copy/paste or screenshot the first page or so of the newest one available then come back here and add that information to your question. You've got three minutes to accomplish that; I've done it myself so it's quite doable.

Adding images to an existing question - iFixit Repair Guide

Once we have the kernel log we can use it to figure out which sensor is causing the problem and thus what you will need to replace in order to fix it.

Update (09/02/23)

Okay, good work Alysa! Here's the smoking gun in your panic log.

Missing sensor(s): mic2 Prs0

This is an unusual one in that you've got two sensors from two separate parts of the phone. I can tell you how to fix each one individually, but to be honest I'm a little suspicious as to why those two failed at the same time. You mentioned that nothing has changed with the phone lately; there hasn't been any issues like being dropped, getting wet or a new OS update?

Alisha ( @flannelist ), have you run into this before? I'm at a loss to explain how two separate I2C lines and/or their sensors could go bad at the same time.

The Prs0 is a pressure sensor connected to the barometric vent on the bottom of the phone. It's part of the lightning port flex cable assembly and is replaceable, although to be honest it is a bit of work. Here's the guide showing how to replace it.

iPhone 11 Lightning Connector Assembly Replacement - iFixit Repair Guide

The mic2 sensor, on the other hand, is located on the power button / flash flex cable assembly. That requires an entirely different set of instructions to replace it, and unfortunately iFixit doesn't have that particular guide available. However, there's a Spanish site called Nadie Me Llama Gallina that has just what you need.

Manuales / Apple iPhone 11 / Power button, flash and top microphone

Let's wait and see if Alisha has anything to add here, but otherwise if it was my phone I'd start out with replacing both of those parts and see what happens after that. The problem is, if those parts don't do the job then you're probably looking at a logic board repair with requires a high degree of expertise and sometimes very specialized equipment, so lets hope that's not the case.

iFixit图片

指南

在已经存在的问题里加入图片

难度:

非常容易

2 - 5 minutes

iPhone 11 Lightning Connector Assembly图片

指南

iPhone 11 Lightning Connector Assembly Replacement

难度:

困难

50 minutes - 2 hours

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I had a whole response typed out, and it's still sitting in the window, unposted. Because I went to go get links for some parts. And then got distracted. But you covered all the bases. It's unusual for it to flag both parts, but I agree. I would replace them both and see where that gets you.

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Okay thanks, I will look into replacing these. I appreciate your time.

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Hi Paulina (@paulinasaes),

Your panic log contains the magic phrase:

Missing sensor(s): mic1

This is a definite hardware failure; the phone's processor is having trouble trying to talk to the sensor named mic1. On your phone that sensor is located on the charging port assembly, AKA the Lightning Connector Assembly in iFixit parlance. Very high probability that replacing that part will fix the issue you're having. Here's the guide giving you step by step directions on how to make that repair.

iPhone SE 2020 Lightning Connector Assembly Replacement - iFixit Repair Guide

As for the part, you can actually buy it right here on iFixit!

iPhone 8 Lightning Connector Assembly

Yes, I know it says iPhone 8, but the SE 2020 was based off the iPhone 8 design; they basically just upgraded the processor and reused much of the iPhone 8 hardware, so if you go looking for that part on other sites, be aware that you can buy one for either the SE 2020 or the 8, and either will work. Don't forget a sheet of precut adhesive to glue the screen back on when you're done, and you'll be all set!

Best of luck with your repair, and be sure to come on back and let us know how it all goes!

iPhone 8 Lightning Connector Assembly图片

产品

iPhone 8 Lightning Connector Assembly

$24.99

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Thank you Jerry! You are all the best! This is super helpful!

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@paulinasaes Of course I didn't notice your comment about not being able to do hardware work yourself until I'd already written my entire response and posted it, but you can most definitely take it to a repair shop and tell them the charging port assembly needs to be replaced. Impossible to say if they'll have the part on hand or not, but you can always buy it yourself, take it with you and say you want this part replaced.

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Hello, from my experience without reading complete this discusion and anwserv what you get i can tel you 99% is power flex with the LED

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