After battery replacement IPAD restarts every 2-3min

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iPad 3 4Gモデル

iPadの第3世代モデルで4G対応。2012年3月16日に発売。モデル番号はA1430。修理には熱を慎重なこじ開け作業が必須です。

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Paul @paulmen

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投稿日: 2018年2月4日

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After battery replacement IPAD restarts every 2-3min

Hello,

After I replaced battery on my IPAD 3 (4G), currently I experience issue with it since it restarts itself every 2-3min.

I read the other forum topics and understood that the problem might be due to a fake battery but I bought another battery and tried with it. Unfortunately the results was the same - IPAD restarts in every 2-3min.

In general, when the IPAD is switched on, it searches for mobile network, while it is connected to WI-FI and after it can not find any network, it restarts. This trend is based on my observation and it does not matter if there is SIM card inserted or not.

My concern is related that the IPAD can not detect the 4G module correctly, it is connected to the mother board but still it is strange.

Would you please be able to suggest any solutions for this issue? It will be very helpful because at the moment, it is useless like that.

Thank you.

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Minho @refectio

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投稿日: 2018年2月5日

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A bad battery is the typical issue for these kinds of symptoms. However, after trying two different batteries, it may not be the case here. To know for certain, measure the voltage of the battery directly (while removed from the iPad) with a multimeter. If you are measuring more than 3.5V, the the device should boot fine.

If the voltage looks good, then you may have damaged something when you disassembled the iPad. Check the logic board in the connector area and inspect the flex cables for tears, even tiny ones.

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Hello Minho,

Thank you for your quick advice. However, I checked the batteries and they look good in terms of voltage.

In regards to connections, I feel confident in all of them apart from the 4G to the logic board connection which I believe might be the issue. The connection there is tiny. I think that this might be the issue since it the ipad is searching for a network but can not find it and it restarts. Please find photos below:

Do you have any idea what I can do in this case>

Paul さんによる2018年2月5日

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Hello Minho,

Thank you for your quick advice. However, I checked the batteries and they look good in terms of voltage.

In regards to connections, I feel confident in all of them apart from the 4G to the logic board connection which I believe might be the issue. The connection there is tiny. I think that this might be the issue since it the ipad is searching for a network but can not find it and it restarts. Please find photos below:

Do you have any idea what I can do in this case> — Paul

Edy Jolin @edyjolin 評価: 1 · Answer 1 · 2018-08-23T19:30:02-07:00

Edy Jolin @edyjolin

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投稿日: 2018年8月23日

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battrey is bad change new one

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Edy Jolin read the question. the OP already tried 2 new batteries. Any other ideas?

oldturkey03 さんによる2018年8月23日

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Tyler Grow @tylergrow 評価: 457 5 1 · Answer 2 · 2019-08-16T13:09:20-07:00

Tyler Grow @tylergrow

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投稿日: 2019年8月16日

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if possible do a factory reset via itunes on your computer. while typically this would be caused by a bad battery or such, I have seen software issues do weird things before, especially on iOS devices

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I did a factory reset on mine and it's still doing it, any other suggestions?

Torrie Wiegmann さんによる2021年7月16日

@Torrie Wiegmann what are the exact issues with your iPad and what model is your iPad? Looks like nobody has checked back on this question for about 2 yeas so you may not get any help on this one.

oldturkey03 さんによる2021年7月16日

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iPad 3 4Gモデル

After battery replacement IPAD restarts every 2-3min

Update (02/05/2018)

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