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Go to the link I just posted! If you have an iPhone 3GS jailbroken on iOS 4.1 you can enable HD video recording! :eek:
 
As mentioned earlier, it's not technically HD going by iPhone 4 standards. 1280 X 720 is what the iPhone 4 records in and the 3Gs can only do 1080 X 720, but at way lower quality than the iPhone 4. The frame rate on the 3Gs is pretty bad.
 
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