VISITOR SIM’s main feature
Information from b-mobile Helpdesk
For those who are currently using this SIM card can be used until the expiration date. Sales in retail stores can be used as well.
To use VISITOR SIM your device needs to have the following 3 requirements.
2) Support one of the following frequency
LTE Band 1 (2100MHz), Band 19 (800MHz), Band 21 (1500MHz)
W-CDMA/HSDPA/HSUPA Band 1 (2100MHz), Band 19 (800MHz)
3) Your mobile phone carrier have contract with
NTT docomo’s roaming partner ( You’ll jump to docomo’s page. Click the PDF link and find your mobile phone carrier) Or have Japanese Technical Conformity Mark on your device.
To maintain service quality for all users, JCI reserves the right to restrict the data transmission speed for customers who have used more than approximately 1000MB over three consecutive days.The speed restriction will be released the day after your total usage in 3 past days go below 1000MB. Charging will not release the speed restriction.
You can choose your Service Start Date (same as Delivery Date) in the purchase form. Once you place an order you will not be able to change the Service Start Date so please be careful. Regardless of whether you are able to use this product or not (including whether you have received delivery or not), the service will start on the Service Start Date.
Once an order is completed, we will not provide refunds or cancel orders for any reason.