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iPad (第七代) 的維修以及拆卸指南

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4013, Boot loop and it would not flash

Hi! I had an Ipad 7 bought in Nov 2019. It was doing fine until very recently where it just suddenly shut down, no warning, while in normal use. It got stuck in a boot loop; recovery mode and DFU doesn’t help at all since it would not recover/update when plugged into iTunes. Error log from iTunes update says the device disconnected before the update can be done, and 3uT flashing log shows failure at 19% every time. I brought it to an AASP as a last ditch effort and, sure enough, they can’t do the repair.

Things are pointing towards hardware failure and a fancy paperweight, but what are the odds of saving the device?

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If 3uTools is failing at 19 percent it will more than likely be a faulty NAND. You would need a programmer and microsoldering experience to do the repair. I would get some quotes from repair shops that offer this service.

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Try a "forced" restart of your iPad, using these instructions:

  • On an iPad with a Home button: Press and hold the top (power) button and the Home button at the same time. When the Apple logo appears, release both buttons.
  • On other iPad models: Press and quickly release the volume up button, press and quickly release the volume down button, then press and hold the top (power) button. Only when the Apple logo appears (it might take 20-40 seconds), release that button (ignore all other screens that might appear).


If the issue persists, it might be a hardware problem.

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I went for forced restart before all the other things, and it does nothing but kept the boot loop going.

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iPad 7 is defective when iPad get really hot long time of period the soldering of nano melt down un-soldering so all it need is to re-soldering that chip easy fix apple should have a recall for this issue problem

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I agree that it is an NAND problem. An error at 19 -20% when restoring with 3uTools is always NAND. You could send it to an microsoldering repair center.

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Nam Hoang 将永远感激不已
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