1. How to contact the Customer Support Center? July 08, 2020 08:43 Updated You can contact our Customer Support Center via the channels below: LINE: @jpmobsupport WeChat: jpmobsupport WhatsApp: FaceBook: https://www.facebook.com/jpsmartsim E-mail: firstname.lastname@example.org Service hours: 10:00 ~ 18:00 (Every day, except New Year's Holiday, Obon or Golden Week Holidays) Related articles 3. How to cancel my contract? 4. What is MNP? And what is the procedure of changing networks from other carriers to JP SMART CALL? 4. I forgot to make payments for a few months, and my service has been terminated. Can you reactivate it after I complete all the pending payments? 2. How to get the newest promotion information? 3. What is the difference between [JP SMART DATA + Voice Call 050] and [JP SMART CALL] sim card?