A:AnswerOnce you purchase a refill card for the phone you can walk through the steps to activate. It will give you a new number or ask if you have a number you want to port over.
A:AnswerThe phone is both hardware and SIM locked. You can request a hardware unlock from Motorola for free, but the SIM unlock is at the discretion of the carrier. I don't remember the requirements for the SIM unlock, but it usually requires you to have their service for a period of time.
A:AnswerThis phone comes both hardware and SIM locked. You can use Motorola's unlock tool on their website for the hardware unlock, but the SIM unlock has to go through the carrier and usually requires you to have their service for a certain length of time.
A:AnswerFrom a form factor perspective, it takes only Micro-Sim (also Nano-Sim if you have an adapter)
From a network's perspective, it works with Sprint network Sim