After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

Does anyone know or have first-hand knowledge about installing a Verizon SIM card of an A840 into an unlocked Motorola V635 -- In other words, will the unlocked V635 work in the U.S. using Verizon's ...