Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

With smartphones, where Apple leads others often follow - so it launching an iPhone this week without a traditional Sim card is raising questions over ... handle calls and texts, and use your data. In ...