Has anyone used a local data SIM with the eSIM simultaneously? That is. you have eSIM for your domestic network, then you travel overseas -- which should be more likely in the near future -- and you ...

American telecommunications provider T-Mobile has disclosed a data breach after an unknown number of customers were apparently affected by SIM swap attacks. SIM swap fraud (or SIM hijacking) allows ...

Google Fi, Google's U.S.-only telecommunications and mobile internet service, has informed customers that personal data was exposed by a data breach at one of its primary network providers, with some ...

Nokia handset maker HMD Global quietly announced a global roaming data-only service called HMD Connect. The SIM card comes with 1GB of bonus data, after which you pay for the data you need while ...

Every mobile phone sports a subscriber identity module (SIM) card that contains all sorts of unique information about the phone, the user, and their carrier. The critical element, however, is the ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...