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Apple's top-of-the-line flagship for 2022. Released September 16th, the iPhone 14 Pro Max sports a 6.7" ProMotion OLED, the new Bionic A16 chip, a triple rear camera system, and 5G connectivity. Successor to the iPhone 13 Pro Max.

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My phone restarts itself

I have a 14pro Max and recently got my logic board changed every sense my phone been restarting itself every few minutes when it use, but when it's not in use or I'm not using it frequently it stays on what can be costing the problem I have the recent ios 17.1 I tried basically everything already, My battery health is also at 97% when it's restarts my battery doesn't deplete

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Where can you see the panic log please? I see you’re close. I’m in sunny Belfast and a junior tech.

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just outside ballymena

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Settings-> Privacy-> Analytics & Improvements-> Analytics Data-> Scroll down to the files starting with "panic-full..." & click on the most recent dated file

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"date" : "2024-03-29 11:39:44.47 -0400",

"panicString" : "panic(cpu 2 caller 0xfffffff0498dcce8): SMC PANIC - ASSERTION FAILED: target\/d74\/target.cpp:266: 0, SMC BSC failure, spreadsheet ver(*10) 150\nS.sensor array 0 - 4 is 0x0, 0x80000, 0x0, 0x0, 0x0 \nF.sensor array 0 is 0x0\n\n - Misc(2) OUTBOX1 not ready\nASSERTION FAILED: target\/d74\/target.cpp:266: 0, SMC BSC failure, spreadsheet ver(*10) 150\nS.sensor array 0 - 4 is 0x0, 0x80000, 0x0, 0x0, 0x0 \nF.sensor array 0 is 0x0\n\n\nRTKit: RTKit-2419.102.1.release - Client: AppleSMCFirmware-4283.102.1.d74.REL\n!UUID: dbddbc45-5a49-380c-a0ca-4a48d4deff69\nTime: 0x000000010f5c8e14\n\nFaulting task 2 Call Stack: 0x000000000004e8d8 0x000000000004e27c 0x000000000004e094 0x00000000000510cc 0x00000000000047e4 0x0000000000020c98 0x0000000000023e8c 0x000000000003ca40 000000000000000000\n\nChinook ASC Async error info: \nl2c_err_sts 0x5000fbfc00000000, l2c_err_adr 000000000000000000, l2c_err_inf 000000000000000000\nlsu_err_sts 000000000000000000

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@Trainee_tech NI if you need help contact me throught my facebook page

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@tech_ni thanks so much. I’ve just liked your page from my personal page so I’ll also do it from the shop. Much appreciated.

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Most Helpful Answer

check the panic log and post if here

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"date" : "2024-03-29 11:39:44.47 -0400",

"panicString" : "panic(cpu 2 caller 0xfffffff0498dcce8): SMC PANIC - ASSERTION FAILED: target\/d74\/target.cpp:266: 0, SMC BSC failure, spreadsheet ver(*10) 150\nS.sensor array 0 - 4 is 0x0, 0x80000, 0x0, 0x0, 0x0 \nF.sensor array 0 is 0x0\n\n - Misc(2) OUTBOX1 not ready\nASSERTION FAILED: target\/d74\/target.cpp:266: 0, SMC BSC failure, spreadsheet ver(*10) 150\nS.sensor array 0 - 4 is 0x0, 0x80000, 0x0, 0x0, 0x0 \nF.sensor array 0 is 0x0\n\n\nRTKit: RTKit-2419.102.1.release - Client: AppleSMCFirmware-4283.102.1.d74.REL\n!UUID: dbddbc45-5a49-380c-a0ca-4a48d4deff69\nTime: 0x000000010f5c8e14\n\nFaulting task 2 Call Stack: 0x000000000004e8d8 0x000000000004e27c 0x000000000004e094 0x00000000000510cc 0x00000000000047e4 0x0000000000020c98 0x0000000000023e8c 0x000000000003ca40 000000000000000000\n\nChinook ASC Async error info: \nl2c_err_sts 0x5000fbfc00000000, l2c_err_adr 000000000000000000, l2c_err_inf 000000000000000000\nlsu_err_sts 000000000000000000,

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@slimeball242 front flex cable issue

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@slimeball242 According to repair.wiki and iFixit's kernel panic page, here's the cause for your issue.

0x80000 is the proximity flex cable.

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@tech_ni my screen flex cable?

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@slimeball242 proximity flex

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As others have mentioned already, there are logs on your phone, referred to as panic logs, that record the reason your phone is restarting. It sounds like you have a bad or damaged sensor that is causing the phone to execute what's called a kernel panic, which is an attempt by the phone to recover from an unrecoverable error. Every three minutes it scans its sensors and if it finds one it can't read, it logs the error then reboots the phone.

You can read all about it in @flannelist's excellent Wiki article on Kernel Panics here.

iPhone Kernel Panics - iFixit

You don't necessarily need to study the whole thing and learn everything there is to know about kernel panics, but use the guide to locate and download the latest panic log you can find. Take a screenshot or cut and paste the first page or so into your question and we'll be able to analyze the contents and give you a pretty good idea of what's going on with your phone.

Adding images to an existing question - iFixit Repair Guide

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