Carriers also won't unlock a phone if it has been ... carriers "piggyback" on larger networks. AT&T phones are compatible with Consumer Cellular, for example.) Buying a used phone?

Unlock to see our ratings and compare products side by side Consumer Cellular is part of the Cell Phone Services test program at Consumer Reports. In our lab tests, Cell Phone Service Providers ...

Consumer Cellular is a leader in the wireless industry ... Tracfone and Cricket also allow you to bring an unlocked phone.

The Federal Communications Commission wants to standardize the amount of time consumers have to wait to unlock their cell ...