A:AnswerIt does not come with a Sim card. If you have a different iPad you can swap the Sim card to the new iPad, or go purchase one and add it to your plan. If you want to use it as Wi-Fi only you can do that too.
A:AnswerThis unit has WiFi and cellular features. If a cellular capable item is designated as "Unlocked" it is not limited to use by a specific carrier.