When your Samsung Galaxy shows "not registered on network" error, it means your phone can't connect to your mobile carrier's ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...

When your T-Mobile phone displays "Not Registered on Network," it means your device cannot establish a connection with ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

MSNBC Senior Political Analyst Matthew Dowd is no longer with the network following on-air comments suggesting Charlie Kirk’s “awful words” led to his being shot, according to a person familiar with ...