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? 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? 1. How to contact the Customer Support Center? 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?