firmware file was corrupt

Hi indre194,

Thanks for using Apple Support Communities. We understand you're running into an issue restoring an iPad. We're happy to provide some information to help.

It looks like you may have already seen the steps in the link below, but to ensure no steps are missed we want to share that resource again.

If you see an error when you update or restore your iPhone, iPad, or iPod touch

If there's a specific error code included with the error you're seeing, you can find some additional steps to take here: iOS update and restore errors

If available, try restoring the device using a different computer as well to see if the same error appears there.

Thanks