Ipad won't boot up. Apple logo flashing/bootloop. All help is welcome!

Question

iPad Pro 12.9"

High performance tablet computer released by Apple on November 11, 2015. Model A1584.

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Nick Schulpen @nicks46

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게시됨: 2019년 6월 28일

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Ipad won't boot up. Apple logo flashing/bootloop. All help is welcome!

Hi guys!

The ipad pro 12.9”(1st gen) It wasn’t used for over a year. When booting it up after that period, the apple logo appears and disappears a couple seconds after it. This goes on and on. But it will only work when the ipad is charging.

What I tried:

Charged for 45min on charger
Hard reset, with no luck.
Putting the ipad in recovery mode, the itunes logo appears, stays on, but when I want to connect it to the pc it instantly shuts of the display. Pc can’t charge the ipad.

Might this be a battery problem? That the battery can’t hold it’s charge when charging. So the battery is ‘empty’. And there is not enough power to boot it up when connected to the charger?

Thanks in advance!

Nick

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Minho @refectio

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게시됨: 2019년 6월 30일

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It certainly appears to be a battery problem. Try keeping the iPad on the charger for 24 hours to see if this helps or not. If you do get the device to boot up, use a battery utility, such as coconutBattery (for Mac) or 3uTools (for Windows) to test the battery. Anything less than 70% of design capacity will require replacement. If the battery is in good condition, you can use a USB Ammeter to determine if the phone is really drawing current when it says it's charging.

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