HT203843: Resolve USB-related alerts in iTunes
Learn about Resolve USB-related alerts in iTunes
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by Carolyn Samit,Oct 5, 2015 10:51 PM in response to Jasem Khan 1
Carolyn Samit
Oct 5, 2015 10:51 PM
in response to Jasem Khan 1
Level 10 (120,594 points)
Apple WatchCheck your security software
Errors: 2, 4, 6, 9, 1611, 9006.
Sometimes security software can stop your device from communicating with either the Apple update server or with your device.
Check your security software and settings to make sure that they aren't blocking a connection to the Apple servers.
If you still see the error message, check for USB connection issues.
From here > Get help with iOS update and restore errors - Apple Support