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.

While most players in the mobile phone industry would agree that near-field communication is an up-and-coming technology, some remain divided over how it should be deployed. Near-field communication ...

An example of a SIM card (top) and a nano SIM card Next week, two proposals for a new, smaller SIM card, dubbed nano-SIM–one backed by Apple and the other by Nokia, Research In Motion and Motorola ...

Want to squeeze your current SIM card into your brand new iPhone 5? Check out our DIY guide to find out how. Katie Collins Principal Writer Katie is a UK-based news reporter and features writer.