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Apple are toying with us, just release the much anticipated 5.0 and let's be enlightened.
 
Are you able to only download the fixes? Otherwise it is a 600mb plus patch
It's a complete replacement of the iOS binaries and Apple-supplied apps.

I think I pointed this out earlier, but if you look back at the recent WP7 update fiasco where a bunch of Samsung hardware got bricked by the update, you'll understand why a patch might not be a great idea. Esp. given the number of jailbroken iPhones and iPads out there, that don't have the base OS that a patch might expect...
 
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