Apple发布于2012年9月12日的第六代iPhone,维修时与前代型号一样,需要螺丝刀和撬棒。iPhone 5以多种版本销售:通讯制式有GSM/CDMA;存储容量有16/32/64G;颜色有黑/白。

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Keep restarting at apple screen continuously

I tried replacing the battery clean the inside and the phone only work when plugged up. once plugged up, it will restart itself over and over at the apple screen. the phone will not update or restore, even in DFU mode. it bring up an error 21, which is a hardware error. Does anyone know exactly what to replace?

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按维修分数 1

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Uhms, I had a similar issue like that years ago while I had Applecare. The comment the 'genius' gave me was the logic board had a failure and they gave me a 'new' phone.

At that time they told me to:

1. Plug the phone to my mac.

2. Press and hold power + home until the phone shut down and rebooted.

3. On DFU to restore a backup or something.

But you have done this already. Have you taken it to the store?


按维修分数 0


no it is a used phone, so no warranty to fix it. besides i rather fix it myself anyway. i just have no clue what is wrong



thomaspruette 将永远感激不已

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