A couple of weeks ago we told you that iPhone firmware 3.1.3 can be released any day now and FW 4.0 is on its way. That was based on a screenshot posted by the guys at BGR, with no extra info. Today , MacRumors, posted an analytics screenshot from Pinch Media which clearly indicates that FW 4.0 is being used already.
This is not a surprise, because it is expected that Apple will release a new iPhone at WWDC 2010 , and every new iPhone model needs a new OS version. The interesting thing is to see that people are still using FW 2.2.1…
