PLAN CHANGING・SERVICE CHANGE・MNP
- 1. Can I change my data plan?
- 2. How to upgrade the JP Smart Data plan from "Data only" to "Data + Voice call"?
- 3. Can I change the sim card service from JP SMART DATA ⇔ JP SMART CALL?
- 4. What is MNP? And what is the procedure of changing networks from other carriers to JP SMART CALL?
- 5. Do I need to set-up my device again after changing my SIM service?