
Originally Posted by
i.Annie
Tried a custom fw yet? If not, try it! Or...
I did a few upgrades to 5.0.1 on 4 devices this past week and I did run into trouble on all save for the iPT 4g. But anyhow, if stock fw is used I would download it via iTunes. Then locate the ipsw, move it to my desktop, then shift+restore to it. That allowed me to restore/upgrade to 5.0.1 (stock) without errors.
Ensure in TU under advanced options that the "point to cydia on exit" option is disabled and your host files are set to normal (to point to Apple's server).