JB Series
Tourism Study Business
Working Holiday
Japan’s largest 4G/LTE
mobile network
docomo
Personal Hotspot available
JB eSIM
Prepaid Data eSIM
4–91 days
No contract・No ID
No shipping・send by email
No physical SIM required
Recharge/extend available
JB SIM Card
Prepaid Data SIM Card
4–91 days
No contract・No ID
Free shipping in Japan/Taiwan
Recharge/extend available*
*16/31 unlimited Unavailable
JB Voice SIM
has a Japan phone number
Can make calls
Monthly data 1/5/10/50GB
SMS available – Receive free
Passport verification required
Free shipping within Japan
📢 Notice of Temporary System Maintenance by NTT Docomo
■Temporary Maintenance Schedule (Japan Time)
10:00 PM on March 17, 2025 ～ 9:00 AM on March 18, 2025
■Services Affected
① New line activation will not be available (Physical SIM)
② Activation codes will not be issued (eSIM)
■Notes
・Activation codes that have already been issued can be installed and used even during the maintenance period.
・Physical SIM cards with activation requests during maintenance will be activated sequentially after the maintenance is completed.
・Activation codes requested during maintenance will be issued sequentially after the maintenance is completed.
・There will be no impact on SIM cards that are already in use.
🙇♀️We apologize for the inconvenience and appreciate your understanding. Thank you for your cooperation.