8 known error codes for this model

0xE8000015 Moderate

iTunes could not establish trusted session with connected iOS device.

0xE8000065 Moderate

iTunes encountered low-level communication fault with device.

14 Moderate

iTunes could not complete firmware write/verification.

1671 Easy Fix

iTunes is downloading required software for restore/update.

3194 Moderate

iTunes cannot verify firmware signing request with Apple servers.

4013 Call a Pro

iTunes failed device restore/update due to connection or hardware communication loss.

4014 Call a Pro

iTunes restore failed when device disconnected during update sequence.

9 Moderate

iTunes update/restore interrupted by connection/security software.