Conflict is brewing in the mobile world over the adoption of a new, smaller standard for the SIM card — the chip in each GSM phone that dictates which network you connect to and your cellphone number.

Apple has submitted a proposal to the European Telecoms Standards Body (ETSI) that would define a SIM card that's smaller even than the microSIM it uses in the iPhone 4 and iPad. Apple proposed the ...

Apple has won a battle over the standard for a smaller SIM card, use of which would leave more room for other components in future phone designs. The Smart Card Platform Technical Committee of the ...