T-Mobile subscribers are facing issues with SIM activation due to a widespread outage. Users are unable to make calls, send texts, or connect to the internet after activating a new physical or eSIM, ...

The Samsung Vibrant is a phone manufactured for T-Mobile in the U.S. When you purchase this phone, it will have a carrier lock that prevents you from using this phone with a non-T-Mobile cellular ...

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 ...

John Legere has literally made a career by bashing other wireless carriers for "ridiculous" activation fees, "bullshit" extra add-ons, and "absurd" pricing schemes. So it's a little awkward that ...