This is a data flat-rate service for 4G LTE Featurephone (au VoLTE) that starts a flat rate of ¥500.
|Flat rate Data charge||Data communications charges for the data that exceeds 10MB.||maximum charge|
|Two-step data flat
If you apply when subscribing to a new contract or when changing your model, calculation on a prorated basis is applied from the date of the subscription or the change (including free call allowance). Changes in the contract take effect from the following month. If you cancel in the middle of a month, calculation on a prorated basis is not applied and the flat rate is incurred.
[Restrictions of communication speed]
Communication amount notification