I can't update my iOS 7 Beta 5 to Beta 6?

When i try to update my iphone(4s) through OTA i always get this message "Unable to check for update an error occurred while checking for the update"

Log into your Apple Developer account and make sure everything is correct there.

https://developer.apple.com/....com/ios7/

You might need to manually install the update through iTunes. Also, you won't be able to install updates unless you register your device's UDID with a developer account through a site like http://www.udid.in/.It's $5, and then you don't need to worry about Apple disabling your device for running unreleased software.

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