Some phones are not unlocked and so they can only be used on one provider like Verizon, or with just AT&T, or T-Mobile, etc. An unlocked phone doesn't have that limitation. However, a phone's ...

Mint Mobile, however, has an edge when it comes to unlocked or international models ... Similarly, the best Verizon phones will support bands n2 and n5, and C-band at band n77.

Almost all Verizon phones are available through the carrier itself, though many unlocked phones now work on its network as well. You can't bring just any foreign phone to Verizon—they have to be ...