I was restoring my iPad 1 from iOS 5.0 to iOS 5.0.1 and I was instantly bounced with a 1654 error.
Simply correct this error by disabling Wi-Fi Sync. Just thought I'd pass on this info as it took me a few mins to work out.
Note: I couldn't tell you if this works on all devices.
Simply correct this error by disabling Wi-Fi Sync. Just thought I'd pass on this info as it took me a few mins to work out.

Note: I couldn't tell you if this works on all devices.