how to get rid of error 9
While updating my iphone 6s error 9 comes. How to get rid of this error?
iPhone 6s, iOS 9.0.2
Check 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