TS3694 Hello. I have an iphone 3gs 8gb factory unlocked. Currently its running on ios 5.0.1 and I am trying to update it ios 5.1.1 but its not updating. The itunes downloads the ios 5.1.1and gives back unknown error(3194). Please help.

Hello. I have an iphone 3gs 8gb factory unlocked. Currently its running on ios 5.0.1 and I am trying to update it ios 5.1.1 but its not updating. The itunes downloads the ios 5.1.1and gives back unknown error(3194). Please help.

Unable to contact the iOS software update server gs.apple.com
Error 1004, 1013, 1638, 3194: These errors may be the result of the connection to gs.apple.com being redirected or blocked. Follow these steps to resolve these errors:
Install the latest version of iTunes.
Check security software. Ensure that communication to gs.apple.com is allowed. Follow this article for assistance with security software. iTunes for Windows: Troubleshooting security software issues.
Check the hosts file. The restore will fail if there is an active entry to redirect gs.apple.com. FollowiTunes: Advanced iTunes Store troubleshooting to edit the hosts file or revert to a default hosts file. See section "Blocked by configuration: (Mac OS X/Windows) > Rebuild network information".
Try to restore from another known-good computer and network.
If the errors persist on another computer, the device may need service.

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