
JBMobile
JB Series


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 音声SIM
has a Japan phone number
Can make calls
Monthly data 1/5/10/50GB
SMS available – free incoming
Passport verification required
Free shipping within Japan
Tomodachi3brothers Series
Oversea Technical internship
Study and Employment
Solve problems of foreigners
living in Japan with
『Tomodachi 3 Brothers』
😥Language barrier
😥No credit card; No bank account
😥Short of Money after arriving
😥Can’t apply internet contract due to visa issue or the length of staying
🛜Monthly paid internet plan
🏪Bill payment at convenience stores