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

With the introduction of eSIM, Apple bid farewell to the traditional physical SIM card. Now, your phone number is transferred through a digital, non-physical SIM card embedded within your device. The ...

The digital version of the SIM card, included on many newer phones, is set to become prevalent. It also offers affordable cellular data abroad. By Brian X. Chen Brian X. Chen is The Times’s lead ...