In an alleged email response to a customer complaint, Apple CEO Steve Jobs has reportedly said a fix for issues related to running iOS 4 on an iPhone 3G is coming soon. Mac Rumors reports that the customer in question said iOS 4 was “dog slow” on his iPhone 3G, citing responsiveness issues when scrolling, zooming, and typing. “I’ve waited patiently through 4.0.1 and 4.0.2, looking for a fix that will make my phone work again,”…