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IPhone 12 Stuck on the Apple Logo Error 4013 Repair: Difference between revisions

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[[File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it!]]
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==Symptoms==
==Symptoms==
Detail all measurable or observable symptoms in this section.


*Shows Apple logo for about 5 seconds, then blank, then Apple logo, then blank.
*Shows Apple logo for about 5 seconds, then blank, then Apple logo, then blank.
*Sometimes it shows a green flash for a second.
*Sometimes it shows a green flash for a second.
*If you try to flash an update or restore, it fails right away with an Error 4013.
*If you try to flash an update or restore, it fails right away with an Error 4013.
*If you flash on 3U Tools, it fails at 19%.
*If you flash on 3U Tools, it fails at 19%.

Latest revision as of 22:23, 19 January 2024

IPhone 12 Stuck on the Apple Logo Error 4013 Repair
Device IPhone 12, IPhone 12 Pro, IPhone 12 Pro Max, IPhone 12 Mini
Affects part(s) Motherboard
Needs equipment screwdrivers, spudger
Difficulty ◉◌◌◌ Easy
Type Part replacement


This article is a stub. You can help Repair Wiki grow by expanding it

Problem description

Diagnosis and repair of an iPhone 12 that boot loops and only shows the Apple logo on screen.

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

Symptoms

  • Shows Apple logo for about 5 seconds, then blank, then Apple logo, then blank.
  • Sometimes it shows a green flash for a second.
  • If you try to flash an update or restore, it fails right away with an Error 4013.
  • If you flash on 3U Tools, it fails at 19%.

Solution

Flex Cables:

  • Step 1 in this case is always unplug all the flex cables.
  • Ideally test the board with known good screen, battery & charging port.
  • If it boots, then one of your flexes is the cause.
    • 99% of the time, it is the ear speaker flex. The flood illuminator and/or the ALS has liquid damage.
    • The ear speaker flex is paired to the logic board for Face ID.
    • If you want to keep Face ID, you'll need to repair the flex. If Face ID is not important, then you can just replace the flex.
      • To repair the flex, you'll have to desolder the component & clean out all the corrosion, then place them back.
      • If the corrosion is too severe & it damaged the flex, then you'll need to swap the flood illuminator and ALS to a new flex, otherwise, you'll lose Face ID.
    • In some cases, another flex can cause this issue like a bad charging port.
      • In this case, just replace the flex

Please Note: If the phone is stuck in Recovery Mode because it failed at the Error 4013, you have 2 options

  1. Kick the device out of Recovery Mode using 3U Tools. In the main screen of 3U Tools, you'll see a button that says "Exit Recovery Mode"
  2. You can attempt another update or restore.