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The wi-fi only version of Apple's iPad Air, model number A1474. Available in Space Gray or Silver, it packs the custom A7 processor and ships in 16, 32, 64, and 128 GB configurations.

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iPad Air not turning on after battery replacement

We replaced the battery, as you can see the ipad started to boot but then just turned off, it’s happening repeatedly, I just unplugged and replugged the antennas, LCD and the glass. what do you think is the problem?

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Did you use a third-party battery? Apple seems to make our life harder by not supporting third-party replacement parts. I have an iPad Pro 2019 that is now E-waste because the battery wasn’t supported by apple. Did you buy an iFixit battery?

I purchased and installed an iFixit battery on my iPad Air. It rebooted and operated but the battery charger is not recognized and the device will not recharge.

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The iPad Air supports third-party batteries without issues. The question is if the replacement battery is good or not. However, I have to say that the red flash is quite worrisome. This is a symptom we’ll often see with deeper, logic board related issues, specifically the NAND.

So take a step back, double check your work, look for any damage to the flexes, connectors or the surrounding area on the logic board. I would also re-install the original battery (assuming it was good enough to boot the device prior to replacement) to see if you have the same symptoms. If the original battery allows the iPad to boot properly, then consider the replacement battery to be either bad or deeply uncharged (in which case you can let it charge over night). If the original battery no longer boots the device properly, then you probably damaged something during the repair.

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Something worth looking into is potential damage to the pins on the battery connector, not necessarily a smoking gun but something I’ve seen damaged on battery repair before. if it’s alright then I’d say the main culprit would be a chip on the board however I’m not 100% sure on this model of iPad, this doesn’t look like an issue with the battery replacement being subpar however; I’d expect that to show different symptoms like not holding charges well or boot looping (I would however say it is possible if the battery was more or less completely nonfunctional).

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Does anybody have a picture of what the battery connector on the logic board is supposed to look like? I'm curious if perhaps I've damaged a pin.

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