Unlimited Calling Plan S
Unlimited Calling Plan
Flat-rate Data 1
Flat-rate Data 2
Flat-rate Data 3
Flat-rate Data 5
Flat-rate Data 8
Flat-rate Data 10
Flat-rate Data 13
For Flat-rate Data 5/8/10/13(Mobile phone) the unused data amount in a month can be carried over and used by the end of the next month.All of the unused data amount can be carried over, eliminating waste.
You can purchase as much data quantity as you need (in 0.5GB or 1GB units) in real time when you need it. You do not need to worry even if you use a lot of data.
Give newly purchased data to friends and family. The person who receives the Data Present can increase the data amount they use by the amount given.
The Data Gift service allows family members to give the monthly data quantities (in 0.5GB units) to each other in real time at no additional charge, ensuring that extra data quantities are used without going to waste.
Long-term au customers will receive an extra data amount once every 3 months according to the au contract period (4 years and over) and subscribed Flat-rate Data service.
Universal service system
In accordance with the launch of the "Universal Service System", KDDI has begun imposing a "Universal Service Fee" on customers who signed contracts with us for their portion of usage since January, 2007.
See below for the details.
[Application of Charges]
[Restrictions of communication speed]
(The restriction applies regardless of the remaining data amount.)
[Communication amount notification]
<When using Flat-rate Data>
<When using Data Charge>
[Optimization of communication]
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