iPhone stuck in boot loop after Apple logo replacement

Question

iPhone 6s Plus

2015年9月25日に発売。モデルA1687/A1634。このデバイスの修理は前モデルと似ています。スクリュードライバーとこじ開けるツールが必要です。GSM もしくは CDMA。容量は16、64か128 GB。カラーはシルバー、ゴールド、スペースグレイ、ローズゴールド。

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Loren Hornsby @loren_hornsby

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投稿日: 2020年1月11日

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iPhone stuck in boot loop after Apple logo replacement

So I recently installed a glowing Apple logo in my iPhone 6s Plus. While trying to remove the old one with a hair dryer I smelled something burning so I stopped. I got the logo installed and now the iPhone will work for about 3 minutes then reboot. It’s always three minutes which is weird. It wasn’t doing this before so could it be the Apple logo, the battery, or have I damaged the motherboard? Any help would be appreciated thanks!

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daniel @tech_ni

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投稿日: 2020年1月12日

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Ok if you were adding an led apple logo, then smelt burning and stopped. How did you eventually add it.

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I thought I smelled something burning, but I thought it just might be the hair dryer. I stopped trying to remove the logo for about five minutes while I tried to locate where the smell was coming from, but nothing appeared damaged. So I tried a different method for removing the original logo. It turns out I wasn't quite doing it correctly the first time because the English in the instructions was not very good. I eventually figured it out though but I think the burning smell may have come from the mother board. Although the logo works fine. Do you think that possibly the logo could be causing problems? I mean it was just a $10 product I found on eBay that I had heard was pretty good.

Loren Hornsby さんによる2020年4月24日

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I thought I smelled something burning, but I thought it just might be the hair dryer. I stopped trying to remove the logo for about five minutes while I tried to locate where the smell was coming from, but nothing appeared damaged. So I tried a different method for removing the original logo. It turns out I wasn't quite doing it correctly the first time because the English in the instructions was not very good. I eventually figured it out though but I think the burning smell may have come from the mother board. Although the logo works fine. Do you think that possibly the logo could be causing problems? I mean it was just a $10 product I found on eBay that I had heard was pretty good. — Loren Hornsby

Jerry Wheeler @dadibrokeit 評価: 57.4千 124 44 90 · Answer 1 · 2022-11-21T12:21:23-07:00

Hi Loren,

The three minute reboot cycle is an invaluable clue, as that's how often the iPhone scans its sensors. When it cannot read a sensor it invokes what's called a kernel panic, which basically indicates an unrecoverable error and then reboots.

So something got damaged in the process of adding your glowing logo. The good news is that your phone logs those kernel panics so you can go into those logs and find out what's causing them. One of the contributors here, @flannelist, has written a Wiki on kernel panics, explaining what they mean and how to read them.

So your next step is to go in and grab the kernel panic log and post it here. From there we can figure out what's causing your boot loop and how to fix it. Typically the parts that cause those can be related to the lightning port assembly or the screen, but we won't know until we see those logs. Read through this page, copy or screenshot the panic logs and post it here.

iPhone Kernel Panics - iFixit

Good luck; we'll be waiting to see what you find.

P.S., You don't need to post the entire log; usually the first page is sufficient.

iPhone 6s Plus

iPhone stuck in boot loop after Apple logo replacement

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