Data Mori

Data Mori 5GB 980 yen increase to data with smartphone and JCOM service set

New customers

New Customers
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Contact us by phone
(Free call)0120-989-970 AM 9:00-PM 6:00 [open all year round]

Current customers

Current Customers
Various procedures

Troubleshooting/
Inquiries

Smartphone fee
simulation
How to apply
[Customers currently enrolled]
We are currently receiving an increasing number of inquiries regarding Date Mori.
Please click here to check the usage status to see if Date Mori is applied.
Contracts for smartphones and other services
[Mobile]+[J:COM Service] [Mobile]+[J:COM Service]
More data! Date Mori | 5GB: 980 yen (1,078 yen including tax)/month More data! Date Mori | 5GB: 980 yen (1,078 yen including tax)/month

★Smartphone, universal service fee, telephone relay service fee, call fee, SMS communication fee, etc. are required separately. If you subscribe to "J:COM MOBILE A Plan ST/SU (voice + data)" and apply "Date Mori", your J:COM MOBILE monthly data amount will be increased. If you cancel the applicable service or switch to Plan D while "Date Mori" is applied, the amount increase will end.

Overview of Date Mori
  • Eligibility is automatically applied.
  • Applies to the whole family.
  • Surplus data capacity can be carried over.
Target audience

Those who subscribe to J:COM MOBILE and other J:COM services (TV, internet, Landline, electricity).

For eSIM (A Plan SU), J:COM Personal ID and Contractor ID are the same.
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Fee details
combination
full of happiness
Procedure method

Price details by data volume

Extra 10GB is a great deal!

Price list when Date Mori applied

Price details by data volume Price details by data volume
  • With Data Mori, 1 GB becomes 5 GB, 5 GB becomes 10 GB, 10 GB becomes 20 GB, and 20 GB becomes 30 GB. Click here for applicable conditions.
  • Separate universal service fees, telephone relay service fees, call charges, SMS service charges, etc. are required.
  • A contract administration fee of 3,000 yen (3,300 yen including tax) is required. (Excluding Plan A SU) However, if you subscribe to other J:COM services as a new or additional service at the same time, J:COM MOBILE's contract administration fee may be waived.

If you are under 26 years old, you can save money with this campaign.

J:COM MOBILE Saikyo Young Wari 10GB 550 yen/month For under 26 years old and their families
Price list of Saikyo Young Wari
Data capacity 1GB 5GB 10GB 20GB
Date Mori
When applied
J:COMサービスとセットでデータ増量
1GB

forever
5GB_
5GB

forever
10GB​
10GB

forever
20GB​
20GB

forever
30GB​
monthly fee

1,078 yen
(tax included)

* J:COM MOBILE
Saikyo Young Wari
Not applicable
When applying J:COM MOBILE Saikyo Young Wari (6 months)
After J:COM MOBILE Saikyo Young Wari

1,628 yen

(tax included)

2,178 yen

(tax included)

2,728 yen

(tax included)
after speed limit
speed		 maximum
200kbps		 maximum
200kbps		 maximum
1Mbps		 maximum
1Mbps
Data carryover Remaining data capacity will be used in the next month
​carry over automatically
  • Separate universal service charges, telephone relay service charges, call charges, SMS communication charges, etc. are required.
  • A contract administration fee of 3,000 yen (3,300 yen including tax) is required. (Excluding Plan A SU) However, if you subscribe to other J:COM services as a new or additional service at the same time, J:COM MOBILE's contract administration fee may be waived.

Click here for more information on J:COM MOBILE Saikyo Young Wari

Click here for more information on Date Mori

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Smartphone charge simulation

combination
Target service

Combination Target service Combination Target service

J:COMサービスがある暮らし

Combination Target service Combination Target service
Sign Up
Smartphone charge simulation

Other
full of happiness

POINT 1Data Date Mori
Suitable for the whole family!

Date Mori applies to the whole family! Date Mori applies to the whole family!
  • For eSIM (A Plan SU), this applies only if J:COM Personal ID and Contractor ID are the same.

POINT 2The remaining data capacity is
Carryover OK*1

Surplus data capacity can be carried over

POINT 3 Even after speed limit,
​Fast at up to 1 Mbps*2!

Even if the speed is limited when the data communication volume is exceeded, it can be used at a maximum of 1 Mbps. Don't worry about using too much data.

You can enjoy videos, music, and SNS crisply! You can enjoy videos, music, and SNS crisply!
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Smartphone charge simulation

Procedure method

​Click here to check your usage status to see if Date Mori is applied

Please select the service you are using

J:COMでモバイルを利用している

We are using
not using

You use one of the following services:
(Electricity, Internet, WiMAX, TV, Phone)

We are using
not using
↓
Step.1Applyfor mobile

J:COM MOBILE Application

Click here for the application flow

--↓-- --↓--
Step.2Procedure completed!

If you subscribe to mobile and eligible services, Date Mori will be applied automatically.

Sign Up
Smartphone charge simulation

Applicable condition

About Date Mori

overview
By subscribing to J:COM MOBILE and any one of the applicable J:COM services (TV, NET, PHONE, WiMAX, electricity), your mobile data capacity will be increased as follows.
  • 1GB → 5GB
  • 5GB → 10GB
  • 10GB → 20GB
  • 20GB → 30GB
Target audience
User the applicable J:COM service and "J:COM MOBILE A Plan ST/SU (voice + data) (hereinafter referred to as the designated plan)". For A Plan SU, those whose J:COM Personal ID and Contractor ID are the same as of the end of the month.
  • It may not apply depending on the contract plan and contract details.
Apply
  • If you are newly subscribed to a designated plan, the monthly data volume will be reduced approximately from the 1st to the 10th of the month following the line opening (for those who have switched plans, the month following the completion of switching, and for those who subscribed by switching to the MNP line, the month following the completion of the MNP line switching). Increase.
  • If you are a new subscriber to an eligible J:COM service, the installation work will be completed (delivery will be completed if the customer installs it yourself, or switching will be completed if you use J:COM DENRYOKU / J:COM Affiliated Electricity/ J:COM Denki) for the following month. Increase the dose around days 1 to 10.
  • Applicable to up to 5 lines per household. The data capacity that can be held is up to 100GB. Click here for details
  • J:COM DENRYOKU / J:COM Affiliated Power/ J:COM Denki may not be applicable depending on the building's contract status.
please note
  • If you cancel all the target services or the designated plan, the increase will end.
  • Fees/initial costs are required to use J:COM MOBILE and change services.
  • Products and discount/gift contents and period are subject to change without notice.

Save money by applying together

Long-term discount on au smartphones au Smart Value
UQ smartphones are always discounted J:COM ×UQ mobile UQ mobile home set discount Click here for details on conditions etc.
[Notes]
  • There is an upper limit to the amount of data that can be stored. If the remaining capacity reaches 100GB, additional data will not be given even if Date Mori is applied. Click here for details
  • 10GB/20GB (20GB/30GB after increase) plan
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[About the amount including tax]

  • Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.