My iPhone 3G currently runs iOS 4 without any issues. Overall it is at about the same speed as it was before on iOS 3. That being said, my iPad 2 is blazing fas

My iPhone 3G currently runs iOS 4 without any issues. Overall it is at about the same speed as it was before on iOS 3. That being said, my iPad 2 is blazing fast and I can't wait to have the money saved up to upgrade.