We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

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Owners of cellular iPads are no longer able to use a supplied Apple SIM to activate a data plan for their tablet, forcing users to either use a different physical SIM or move to eSIM. Apple included ...

T-Mobile rolls out self-service SIM changes and business account management features on the T-Life app. Users can now easily transfer or activate SIM cards through the app with straightforward ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

During Apple's recent iPad media event, the company was quick to glance over a feature that could have massive implications on the wireless industry. Those who purchase a cellular version of the iPad ...