What is Dual SIM and How do I use it?

Table of Contents

  • What is Dual SIM?
  • Which Devices support Dual SIM?
  • What are the benefits of Dual SIM?
  • What will I need to activate Dual SIM?
  • How do I complete a Dual SIM activation?
  • How does Dual SIM work on my iPhone?
  • For Dual SIM on iPhone are both lines connected to the network at all times?
  • What Rate plan options will be available for my two lines?
  • If I have data on both lines, which data bucket will I use and be billed for?
  • How does FaceTime and iMessage work with Dual SIM on my iPhone?
  • How will I be billed for Voice and Text?
  • What happens when I roam?
  • Will E9-1-1 and T9-1-1 work on both lines?

What is Dual SIM?