Should make examinations interesting. Apparently, an open-ended SIM that can be either postpaid or prepaid account without the need to change SIMs but still switch between carriers. Either Apple intend to go for their own IMSI (thus become an operator) or the IMSI will need to be updated OTA...hmmmm
"If you are among the millions who will purchase one of the 4G versions of the new iPad Air 2 or iPad mini 3 tablets from Apple in the next few months, and you live in the US or UK, then when you switch the tablet on for the first time, you will find a nano-SIM card already installed in the SIM card slot."
"What Apple envisions with its SIM is that users will be able to quickly and easily switch between different carriers to take advantage of the best short-term deals available at any given time - without having to go through the hassle of getting a new SIM card.
"Obviously, if you have signed up to a two-year contract you won't be switching deals that often, but if you are on a pay-as-you-go deal, then this could be a real money-saver......."