OS: Resolving update and restore alert messages
Products Affected
iPad, iPhone, iPod touch, iTunes, Windows 7, Windows Vista, Windows XP
Symptoms
When you are trying to update or restore your iPhone, iPad, or iPod touch with iTunes, the update or restore process may stop, and you may see an alert message in iTunes.
You can resolve many restore issues using the troubleshooting steps documented here.
Resolution
Try these steps first
To perform some of these steps, you need to be logged in to the computer as an administrator. If you are not sure if you have administrator access, contact the owner of the computer or the system administrator.
Note: If necessary, review the steps for restoring your iOS device.
You can resolve most restore errors by following these basic steps:
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1. Update to the latest version of iTunes
2. Verify that your operating system is up to date
3. Disconnect other USB devices
4. Check security settings
5. Restart
Additional Information
Specific error codes and advanced steps
Following the steps listed above will resolve most update and restore errors. The alert message in iTunes may also include one of the following error codes (the message may also include a number not listed):
1, -1, 2, 4, 6, 9, 13, 14, 20, 21, 23, 26, 28, 29, 34, 35, 36, 37, 40, -48, -50, 1000, 1002, 1004, 1011, 1013, 1014, 1015, 1479, 1601, 1600, 1602, 1603, 1604, 1611, 1631, 1638, 1639, 2001, 2009, 3002, 3004, 3013, 3014, 3015, 3194, 3200, 9006, 9807, -9808, 9844, 4026xxxxx.