We all knew that the mystical white iPhone 4 was eventually going to show up, it’s just been a matter of when. Now we have a semi-official time frame for this release. 9to5mac has spotted an AT&T print that clearly states that the iPhone 4 will be available in Spring 2011 (or Autumn 2011 for those of us under the equatorial line). Exciting for some, we’re sure – it’ll certainly match the rest of Apple’s white products.

But this isn’t where the news stops. Neowin has further information that suggests that the white iPhone 4 will be accompanied by a revision of the black iPhone 4 – both featuring an improved antenna, hopefully eliminating that little problem that Apple tried so hard to ignore, and then correct with free bumpers.

Apple has yet to comment on the delays, nor give an official release date for the white iPhone 4. For those of you that have forgotten what the white iPhone 4 even looks like, here’s a reminder:

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