Ask a European mobile-phone exec about fourth-generation cellular technology — 4G — and you can almost see them bite their tongue. These are the same folks, remember, who just five years ago couldn’t ...

As the proud owner of a 3G smartphone, you might have considered yourself a member of the leading edge of wireless services users. Then you started hearing ads and reading stories about something ...

WEST LAFAYETTE, Ind. — Newly discovered vulnerabilities in 4G and 5G networks could be used to intercept phone calls and track users’ locations, according to researchers at Purdue University and the ...

Carriers are closing down 3G networks in a final transition to 4G LTE and 5G. Some devices and services won't make the jump. Here's what to know. David Lumb is a senior reporter covering mobile and ...