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 ...

We purchased an iPhone 8GB today (after waiting in line at the local AT&T store for about 8 hours), only to find that once home and opened, the device lacked a SIM card. iTunes and the phone both ...

A few years ago, the absence of dual SIM in iPhone was listed as a major shortcoming by numerous smartphone users. It’s normal for most smartphone owners to have a couple of SIM cards to keep their ...

SIM binding is a process where a messaging app verifies that the registered SIM card remains active in your device. If the SIM is removed, replaced, or deactivated, the app will stop functioning.