440      iPhone_iPad_Mac_手機_平板_蘋果apple

cause of iPad to lock up

What is the cause of an iPad locking up?  What I mean is when the iPad shows a lightning cable coming up from the bottom of the screen pointing towards and iTunes logo?  You get the option of updating or restoring.  What causes the iPad to display this?

最後更新：2017-10-18 12:15:57

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