For those of you wanting to switch out your iPad microSIM in to your iPhone 4 when it arrives next week, Apple [AAPL] has confirmed that doing this will not actually work.
In the FAQ section on the iPhone 4 page the question and answer are provided as follows…
Q: Are iPhone 4 and iPad micro-SIM cards interchangeable?
A: No. Your iPad micro-SIM card will not work with your iPhone.
While it says the microSIMs from an iPad are incompatible, we believe that this is not so much a compatibility issue on a technical side, but rather the limited functions of the microSIM from an iPad which has no voice enabled on it. When calling the phone number of an iPad you just get an error saying unable to connect. [Read more…]