What do I need to do when I receive SIM card? Kana/Hiromi June 28, 2019 06:41 Updated Follow To use SIM card, you need to do APN settings.Please refer to our APN setting 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? Can I add / Top Up Data in the middle of a month if I used all the Data allowance? Comments 0 comments Please sign in to leave a comment.