3. My documents are not eligible for registration at the document screening step. Can I cancel the purchase and get a refund? February 04, 2021 06:31 Updated For further details, kindly contact our Customer Support Center. Related articles 4. I'm using a 10min free call sim card. Can I get the refund of the deposit after completing the contract termination? 1. How to contact the Customer Support Center? 2. I have just received my sim package, but it doesn't work on any device after completing the necessary settings. Can I get another sim card? 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?