3490 Views 1 Reply Latest reply: Apr 4, 2010 8:42 PM by Doc M
Error 23, 28, 29, 1011, 1012, 1611: These errors may indicate a hardware issue with your device. Follow the steps in this article and also attempt to restore while connected to a known-good computer and network to isolate this issue to the device. If the IMEI or MAC address is missing or is a default value, this can also confirm a hardware issue.
More can be found here: http://support.apple.com/kb/TS1275.