This rate plan is intended for 4G LTE Featurephone (au VoLTE). Unlimited domestic calls 24 hours a day (up to 5 minutes) . This service is available in combination with Two-step data flat Z(Mobile phone) and other Flat-rate Data services.
|Monthly Basic Charge||When 2-year contract  is applied||¥1,200|
|Begore discount services are applied||¥2,700|
|Domestic calling charge||To au mobile phones||Calls up to 5 minutes: Free
Calls that exceed 5 minutes: ¥20/30 seconds
Calls made between family members that exceed 5 minutes are also free 
|To other carriers' mobile phones or landline|
|Data communications charge||communications flat-rate service||Two-step data flat Z(Mobile phone), Flat-rate Data 1(Mobile phone)/3(Mobile phone)/5(Mobile phone)|
|Domestic SMS charge||To au mobile phones||Sending: ¥3/time 
|To other carriers' mobile phones and PHS|
|Monthly flat rate||Data communications charges for the data that exceeds 500KB.||Monthly maximum charge|
|Two-step data flat Z(Mobile phone)||¥0～ ||¥0.03/KB||¥4,200|
|Data quantity||Monthly charge||Availability of Data Carryover|
|Flat-rate Data 1(Mobile phone)(1GB)||¥2,900||-|
|Flat-rate Data 3(Mobile phone)(3GB)||¥4,200||-|
|Flat-rate Data 5(Mobile phone)(5GB)||¥5,000||○|
The unused data amount can be carried over to the next month.
*For Flat-rate Data 5(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 data quantity starting from 0.5GB using the Data Charge service when needed.
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.
Data Present allows you to give purchased data to friends and family.
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.
Data Gift allows family members to give data quantities to each other without waste.
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 Hospitality Data Gift gives long-term customers extra data amounts.
Long-term au customers will receive an extra data amount once every 3 months according to the au contract period (5 years and over) and subscribed Flat-rate Data service.
* For Flat-rate Data 1 users, this service is only eligible for the au contract period (7 years or over).
* This service is not supported on AQUOS K SHF31.
In accordance with the launch of the universal service system, subscribers of au phone services have been asked to pay a "universal service fee" from billing of January 2007.
[Unlimited Calling Plan S(Mobile phone)]
[Application of Charges]
[Regulations of 4G LTE communication speed]
[Communication amount notification]
<When using Flat-rate Data>
<When using Data Charge>
[Optimization of communication]