PRODUCT

商品

• Will I be notified when my data is running out or near expiry?
• Can I use tethering?
• Are there any 4G/LTE data usage restrictions?
• What happens if I exceed the data limit?
• What is SIM-free (unlocked)?
• I cannot connect to the internet even after setting the APN. What should I do?
• What is APN?
• What devices can be used?
• The antenna icon is not showing. What should I do?
• What is eSIM?
• Can I use it with my existing smartphone or mobile WiFi router?
• Can I use a device with network restrictions?
• How do I install the eSIM after purchase?
• How do I check if my device supports eSIM?
• My phone displays “NO SIM.” What should I do?
• Can I transfer the eSIM to another device?
• Do I need to activate the SIM card/eSIM?
• My phone displays “Invalid SIM” or “No SIM card inserted.” What should I do?
• Can products marked “for overseas residents only” be purchased in Japan?
• How do I set up Nippon SIM?
• What languages does your support service offer?
• I can’t scan the APN profile QR code. What should I do?
• Do I need to return the SIM card after use?
• How do I enable tethering/hotspot?
• Is any administrative procedure required when purchasing Nippon SIM for Japan?
• My iPhone shows “Profile installation failed.” What should I do?
• Can I top up (add data to) the SIM card?
• My device asks for MCC and MNC. What should I enter?
• What is the expiration date of the SIM card/eSIM?
• I don’t know my PUK code, or I entered it incorrectly. What should I do?
• How long can I use the SIM card/eSIM?
• Can I top up (add data to) the SIM card?
• Can I make calls or send SMS with the prepaid SIM/eSIM?
• Why is my data speed slow?
• Where can the SIM card/eSIM be used?
• How can I check my remaining data balance?
• What frequency bands are supported?