Filed under: iPhoneAccording to The Wall Street Journal, Apple is "looking into" reports of iOS 4's poor performance on the iPhone 3G. Many iPhone 3G users have noted generally slow performance and glitches after installing iOS 4 that have rendered their devices nearly unusable. An Apple spokesperson told the Journal that Apple is aware of the reports and investigating solutions. That Apple is responding to the issue at all is certainly encouraging, but their response has been anything but timely -- it's come only after a month of irate posts on Apple's support forums,
