What do I need to do when I receive SIM card? Customer Support December 25, 2020 05:20 Updated Follow To use SIM card, you need to do APN settings.Please refer to our APN settings installation page for details. Related articles I can not use SIM. What Should I do? What do I need to do when I receive WiFi device? Can I send SMS overseas? Do I need to be present at the time of delivery? What is Smart Pit Card? Comments 0 comments Please sign in to leave a comment.