How do I add more data to my SIM card?
Once you've made a successful payment, the additional data will be allocated to your SIM almost instantly.
If you have an active data plan, the purchased data will be queued. It will be automatically activated when your existing plan expires.
Data Top Up Pricing
|1GB / 7 Days||990 yen|
|2GB / 15 Days||1,650 yen|
|3GB / 30 Days||2,310 yen|
|5GB / 30 Days||3,630 yen|
|10GB / 30 Days||6,980 yen|