i still facing problem it shows error 4013

Basically error code 4013 iTunes occurs when a problem arises during the update or restore process..You may have accidentally disconnected your iPhone or iOS device during the update process, or there may be a software bug that’s preventing the update from being executed properly..

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check this link:

If you see error 9, 4005, 4013, or 4014 when you restore your iPhone, iPad, or iPod touch - Apple Support

Click here and follow the instructions. If they don't fix it, use the 'contact us' link.

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