I plug in my iPhone 3G (which is upgraded to OS4), to my Zaggsparq 2.0, using the "Optimized" USB port. After a while I check to see how much of a charge my iPhone has gotten and see that the battery level indicator has not changed from when I first started the charge. It is only when I turn my iPhone off completely and turn it back on, that the battery indicator shows the current level. I have to keep doing this to update the indicator. It seems to stay frozen to the start of the charge with the Zaggsparq. This does not seem to happen when I charge my iPhone from the wall or from my computer. It seems this is a new Zaggsparq 2.0 issue or perhaps it is an issue with this device and OS4. Anyone else experiencing that same thing?