Q: when the iOS Update came out, I first downloaded it to may iTunes and then I press the update button. Unfortunately the update process stuck with the message “Waiting for iPad” for 30 minutes. After I unplugged the iPad I’m not able to recover the iP

when the iOS Update came out, I first downloaded it to may iTunes and then I press the update button. Unfortunately the update process stuck with the message “Waiting for iPad” for 30 minutes. After I unplugged the iPad I’m not able to recover the iPad. I can bring it into the recovery mode. When I chose to restore the iPad iTunes unpacked the iOS 9.3. Pressing the restore Button  the iPad change from the screen “Connect to iTunes” to the Apple Logo, that it’s restated (ITunes Message: “Preparing iPad”. Then the Apple Logo with an empty progress bar appears and the message on iTunes becomes “Waiting for iPad”. and than noting more . Anyone who can help me with this?