Can I take out the SIM card from Pocket WiFi? June 29, 2022 09:15 Updated No, please do NOT take out the SIM card from Pocket WiFi. Related articles Do I need to purchase SIM card separately? Can it be used outside of Japan? Are there any settings required for the Pocket WiFi? How do I check my data usage? (travel SIM/WiFi) I am confused about unlimited data. What does unlimited data service mean?