BARCELONA — Most of the smartphones on display here
In much of the rest of the world, a wireless carrier is a bystander to a wireless-device purchase. People buy unlocked phones and then pop in the SIM card of the carrier of their choice. Sometimes they don’t even have to choose just one, thanks to
The U.S., however, is still waking up from a different regime in which
You, however, don’t have to keep buying into that system. And three families of unlocked Android phones introduced at Mobile World Congress could be your reason not to.
This old name in phones resurfaced last year when the Finnish firm</span><a href=