Why isn't my iPhone 4S showing the ios 7 beta 3 update?

I registered my udid and I checked for the update in setting and it just keeps saying checking for update. I already updated my iPad mini but my iPhone 4S won't. Any suggestions.

Try turning you're phone off and on then check.

If that doesn't work, leave your iPhone on the 'Checking for update' page until something comes up.
Or you can try searching for it with/without Wi-Fi

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