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Cannot restore iPad: Unknown error (9)

Hi,

My iPad got a serious problem after 1 day usage. Can anybody help me out? The following is the symptom.

iPad freezed when I open iTunes. Then I tried to power off, no response.
After 1 or 2 minute, iPad restarted automatically. Then I tried to run an applicaiton, iPad freezed again.
Then I saw white apple log on screen endlessly.
I tried to reset iPad by pushing and holding power and home key, no help.
iTunes cannot detect iPad.
Then I push&hold power key and home key and then release power to enter restore mode. iTunes detected the iPad in recovery mode.
And I tried to restore iPad using iTunes, the result is Unknown error (9). I also tried to restore it using another PC and got the same error.

Br,
NickXu

iPad 64G, iPhone OS 3.1.3

Posted on May 12, 2010 8:04 AM

Reply
Question marked as Best reply

Posted on May 12, 2010 8:26 AM

If the only problem is iPad can not sync, try a complete reset.

Settings, General, Reset, Erase all content and Settings.

Warning: this deletes all data.
19 replies

May 11, 2013 3:01 PM in response to NickXu

I'm having the same exact problem on my wire's iPad. It began suddenly last nite as she was using Safari. I wonder if it was caused by a virus. I've tried two different PC's with refreshed updated ITunes, different cables, and connections such that no other USB device is connected, all in vain.


The present situation is that by using the HOME key and POWER key depressed for 10 secs or more I can get it to prepare itself for a RESTORE. However, when it's connected to the PC the software says it cannot be USED until the devide is RESTORED, yet it will not restore! No ability to Power it down with the power slider just as everyone else has described.


I'll bet this is going to be an increasingly common reported problem and though I CAN and WILL bring it to an APPLE store near me, I hope they are reading this and find a better solution for their wide audience. It will benefit them and us.

Cannot restore iPad: Unknown error (9)

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