BIGLOBE NINJA SIM FAQ
Q. Can I top up the data allowance?
A. Yes. You can purchase top up from User Page.
To purchase, you need to have the SIM number, the registered email address, and a credit card. We accept Visa, MasterCard, JCB, American Express and Diners Club.No additional charge may be available for any unlimited plan.
- Debit cards and prepaid cards cannot be used. Furthermore, there are some credit cards that cannot be used.